Re: [Elecraft] New AGC FW

[Wayne Burdick]

Temporary work-around: manual notch.

Wayne

On May 6, 2012, at 8:49 PM, Joe Subich, W4TV wrote:

>
>> Now we need to be patient to see if the auto-notch feature can be
>> enabled whilst running the new settings.
>
> Agreed but not too patient!  The new settings seem to work find on SSB
> but the loss of auto-notch is the one big miss.
>
> 73,
>
>... Joe, W4TV
>
>
> On 5/6/2012 10:08 PM, Gary Gregory wrote:
>> *Bob,
>>
>> I concur with all your observations. This is the largest FW  
>> improvement
>> effecting all styles of operation that I can recall in quite some  
>> time.
>>
>> An S3 noise on 40M this morning was easily eliminated and then a  
>> local Ham
>> travelling by was 30db over S9 and I noticed the lack of distortion
>> previously experienced prior to this upgrade.
>>
>> Now we need to be patient to see if the auto-notch feature can be  
>> enabled
>> whilst running the new settings.
>>
>> regards,
>> Gary
>> *
>> On 7 May 2012 11:31, Jim Sheldon  wrote:
>>
>>> Don, Gary and the group,
>>>
>>> Wayne's earlier comments about the noise blanker working better  
>>> turns out
>>> to be an understatement to say the least.  Not only has the  
>>> clarity of
>>> signals improved by being able to tailor the onset of the SW AGC  
>>> to start
>>> at a higher level and clean up many of the artifacts that created  
>>> problems
>>> before, but it also allows the IF noise blanker as well as the DSP  
>>> noise
>>> blanker to work more like most people's concept of what a noise  
>>> blanker
>>> should be able to do and now does it with FAR less distortion to the
>>> desired signals.  This includes using heavy blanking with strong  
>>> signals
>>> close in.
>>>
>>> I've now been able to eliminate some stubborn power line  
>>> interference that
>>> has been plaguing me for a couple of weeks and due to recent  
>>> tornado damage
>>> a few miles South of me, the power company has not had time to  
>>> find and
>>> cure it yet.  They've been busy replacing the temporary lines&   
>>> poles they
>>> used to get everyone back on line as quickly as they could after  
>>> the storm.
>>>
>>> Now that they are on the right track, I'll bet there will be quite  
>>> a few
>>> more improvements to come.
>>>
>>> Jim - W0EB
>>>
>>> __
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>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>> Post: mailto:Elecraft@mailman.qth.net
>>>
>>> This list hosted by: http://www.qsl.net
>>> Please help support this email list: http://www.qsl.net/donate.html
>>>
>>
>>
>>
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Re: [Elecraft] KX3 Order made Dec 31st at 1346

[Steve KC8QVO]

How do you know what time the order was placed? 

I went back and viewed my original order confirmation e-mail and there is no
time on it, just an order number. Are we to go off of the time that the
e-mail was generated? If that's the case my order went in 12/28 at 6:24PM
EST, or 2324UTC (I think). 

Steve, KC8QVO

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[Elecraft] backlight in unbuilt k1

[AF6NI]

At what point in the build process do I install the back light while building
a new K1?
Thanks. 
Joe

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Re: [Elecraft] New AGC FW

[Joe Subich, W4TV]

> Now we need to be patient to see if the auto-notch feature can be
> enabled whilst running the new settings.

Agreed but not too patient!  The new settings seem to work find on SSB
but the loss of auto-notch is the one big miss.

73,

... Joe, W4TV


On 5/6/2012 10:08 PM, Gary Gregory wrote:
> *Bob,
>
> I concur with all your observations. This is the largest FW improvement
> effecting all styles of operation that I can recall in quite some time.
>
> An S3 noise on 40M this morning was easily eliminated and then a local Ham
> travelling by was 30db over S9 and I noticed the lack of distortion
> previously experienced prior to this upgrade.
>
> Now we need to be patient to see if the auto-notch feature can be enabled
> whilst running the new settings.
>
> regards,
> Gary
> *
> On 7 May 2012 11:31, Jim Sheldon  wrote:
>
>> Don, Gary and the group,
>>
>> Wayne's earlier comments about the noise blanker working better turns out
>> to be an understatement to say the least.  Not only has the clarity of
>> signals improved by being able to tailor the onset of the SW AGC to start
>> at a higher level and clean up many of the artifacts that created problems
>> before, but it also allows the IF noise blanker as well as the DSP noise
>> blanker to work more like most people's concept of what a noise blanker
>> should be able to do and now does it with FAR less distortion to the
>> desired signals.  This includes using heavy blanking with strong signals
>> close in.
>>
>> I've now been able to eliminate some stubborn power line interference that
>> has been plaguing me for a couple of weeks and due to recent tornado damage
>> a few miles South of me, the power company has not had time to find and
>> cure it yet.  They've been busy replacing the temporary lines&  poles they
>> used to get everyone back on line as quickly as they could after the storm.
>>
>> Now that they are on the right track, I'll bet there will be quite a few
>> more improvements to come.
>>
>> Jim - W0EB
>>
>> __
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>> Please help support this email list: http://www.qsl.net/donate.html
>>
>
>
>
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[Elecraft] KX1 Power level

[AC8JW]

"What is your DC voltage?  The KX1 specification is 3-4 watts with 12 volts,
so you are close to the spec right now.  If you have an antenna analyzer,
check you dummy load to be certain it is the same 50 ohm pure resistive load
on both bands.  Your wattmeter may also be frequency sensitive - many are.

Yes, look at the toroids and the capacitor values in the LPF.

Don't push the power too far - the LPF componentscan be stressed with power
level much over 4 watts (that depends on the SWR)."

Checking power output with a new dummy load shows 3 watts on both 40M and
20M per my W1.  Power supply voltage is 14 volts.   

A check of the power with an RF probe with 14 volts supply showed 6. 7V on
20M and 6.5 on 40M.  Values on a 12VDC battery supply were about 1 volt
lower.  It would appear that both Bands are at the same level.  I am
wondering if the power difference noted on the W1 SWR meter is a an issue
with the W1? 

Thanks

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[Elecraft] Elecraft SSB Net results (5/6/12)

[Phillip Shepard]

Propagation seemed very poor today.  A lot of stations that required
cranking up the gain to pull in, and there were others that I just couldn't
read.  We had 21 participants over a 17 minute period. Have a great week.

Here is the list of participants.

Station NameQTH Rig S/N

NA6ZDon CA  K3  5495
KM4IK   Ian GA  K3  281
W0CZKen ND  K3  457
K7BRR   BillAZ  K3  5545
W4PFM   PaulVA  K3  1673
KI6UM   Lew CA  K3
K1NWBrian   RI  K3  4974
K4GCJ   Gerry   NC  K3  1597
N4RTRon AL  K3  5436
N8SBE   DaveMI  K3  3104
WB8ENE  Art OH  K3  4319
NJ6LNeilKY  K2  7177
N7EDK   Ed  AZ  KX3 45
K0GUN   Gordon  MO  K2  5554
KA0NCR  Arnie   NE  K3  185
AB7CE   Roy MT  K2  40  QRP
K6BFBernCA  K3  4618
K0DTJ   Brian   CA  K3  4113
W9SGX   GregFL  K3
KT4DD   Dan FL  K3  4022
NS7PPhilOR  K3  1826

73,

Phil, NS7P
ph...@riousa.com

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[Elecraft] K3 Tx audio ramp up with DATA-A mode

[Bob Cunnings]

If you are using Windows, there *is* a way to adjust the emu0202 output
in software. It's not by using the EM-U control panel app but by using the
Windows Volume Control applet instead.

I'm using an emu0202 with Windows XP.

Either access the Windows Volume Control from the task bar

or

Navigate to Control Panel->Sounds and Audio Devices. Select
the Audio tab (not the Volume tab where the controls are grayed
out) and you should see the emu0202 as the "sound playback"
device. Click on the Volume... button to open the Speaker dialog,
where you can adjust the output level. With mine set to the 2nd tick mark
from the bottom, the mic level control is set to 16 or 17 to drive
the K3 to 4-5 bars input in DATA A mode.

If you are running Windows 7 things may be a bit different.

No, the emu0202 instructions don't mention how to do this.

Bob NW8L

>Just providing some information that may help others that have
>experienced RF slow ramp up to full power when driving Tx audio from
>a soundcard (typ DATA-A application).  I
>
>I had comments back at the time I asked for solutions to check for
>low audio level.  But it was the opposite, in fact!
>
>I am using an external emu0202 soundcard (I/F to computer vis USB2.0)
>which has plenty of level controls for a sound input but none for
>output via the stereo phone jacks.  Going into the operating sw for
>the soundcard reveals no adjustment of the output audio (usually
>called playback).  I found reference to making adjustments as part of
>installation of the sw - but none after installation - huh?
>
>Well not wanting to go thru all the process of un-installing then
>re-installinng I looked for an alternative.  There was one starring
>me in the face on the front panel.  There is a headphone jack with
>level control (volume) as part of the on-off control.  I unplugged my
>Tx audio line from the jack at the rear and into the headphone jack
>and adjusted the TX audio to 4-bar with 5th flickering.
>
>I could not accomplish this using the mic level control on the K3
>(which doubles as line-in level).  Setting the mic=0 results in no
>audio; setting the mic=1 and it was overloading the K3.  The
>soundcard output was just too hot.  Using the headphone jack with
>headphone level control lets me set it just right.
>
>Result.  First time I sent test tones form the sw the K3 went thru
>the gradual RF ramp up.  Next time I tried it K3 immediately went to
>full power with no ramp up...problem solved!
>
>
>73, Ed - KL7UW, WD2XSH/45
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Re: [Elecraft] Portable Antennas (Is there an "easy" button?)

[Ron D'Eau Claire]

The laws of physics still apply. Small loop antenna have very large
circulating RF currents. Such currents are highly vulnerable to any
resistance in the conductors or connections. 

Until we have room-temperature superconductors such antennas will have very
low efficiencies. But even low efficiency antennas can get out as Hams can
attest since the first Amateur set up his spark coil over a century ago. 

Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of va3...@gmail.com
Sent: Sunday, May 06, 2012 7:48 PM
To: Mike WA8BXN; elecraft-boun...@mailman.qth.net; Elecraft list
Subject: Re: [Elecraft] Portable Antennas (Is there an "easy" button?)

While I do not have one, I am looking into the alexloop. On eham it has
positive reviews. But don't by the MFJ 1899 (it is quick) but pretty well
useless unless you are lucky


Robert

a 'kosher' ham 
Sent from my BlackBerry device

-Original Message-
From: Mike WA8BXN 
Sender: elecraft-boun...@mailman.qth.net
Date: Sun, 6 May 2012 22:36:28 
To: ; Bernie KF0QS
Subject: Re: [Elecraft] Portable Antennas (Is there an "easy" button?)


 
Hi Bernie, 
 
There will be many opinions, here are mine. There are many different
antennas each with its pros and cons. You are looking for something quick.
While I have no experience with the Buddi-Pole system it seems to me to be
something that should not take a lot of time to set up. Maybe switching
between different bands is the issue. 

A wire of reasonable length (and ground system of some sort) and a good
tuner can switch bands fairly rapidly. Your length of 40 feet seems
reasonable although other lengths may be a bit better depending on the bands
you want to operate on. A problem with a wire antenna is putting it up and
taking it down and the need for supports. If you can just toss it up into an
available tree it could be a quick thing. If you try to get a rope over a
tree and have to walk through nasty vegetation and things get tangled up it
might not be so pleasant. 

Performance wise for a single band I really like a dipole. There are a
number of ways to get multiband operation: traps, jumpers to use or isolate
portions, and feeding with balanced line and use a tuner. I generally do my
portable operation while camping at the same location for several days.
Setup time is not so much an issue for me. 

While some may say having the optimal antenna is the most important thing I
think there may be some other perhaps more important considerations for
portable operation. One is picking the best band to use on a given outing.
Getting a good feel for the bands at home helps a lot, as does checking
propagation information. The best antenna you can put up for portable use
might be about useless if there band conditions are poor on your band of
choice. Once you have a decent antenna selected and have picked a band that
will be open the important thing is good operating. One CQ may not get a
contact. It could take some effort and time. 

Bottom line, do planning on what band to use, pick a simple wire antenna,
spend a reasonable amount of time and you will get contacts!

Good luck and have fun!

73 - Mike WA8BXN





 
---Original Message--- 
 
From: Bernie KF0QS 
Date: 5/6/2012 8:59:34 PM 
To: elecraft@mailman.qth.net 
Subject: [Elecraft] Portable Antennas (Is there an "easy" button?) 
 
Dear Folks: 
 
I have a K2/10 (#6922) and a K1 (#1024). I have used the latter in the 
Field, and hope to use both portable. I have a Buddi-Pole setup, but am 
Annoyed at how long it takes to set up. I am wondering if you folks have a 
Suggestion for a really easy portable antenna setup. Anyone? 
 
As a corollary to that question, I hear people say they just "toss a wire up

In a tree". Both of my Elecraft rigs have the ATU's installed, and so, 
Could I just use a wire? I am contemplating getting some fine gauge wire 
(#24?) and soldering a 40 foot length to the positive pole of a BNC 
Connector and a similar length to the shield. What do you guys think? 
 
73 de Bernie, KF0QS 
 
 
 
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Re: [Elecraft] Portable Antennas (Is there an "easy" button?)

[va3bxg]

While I do not have one, I am looking into the alexloop. On eham it has 
positive reviews. But don't by the MFJ 1899 (it is quick) but pretty well 
useless unless you are lucky


Robert

a 'kosher' ham 
Sent from my BlackBerry device

-Original Message-
From: Mike WA8BXN 
Sender: elecraft-boun...@mailman.qth.net
Date: Sun, 6 May 2012 22:36:28 
To: ; Bernie KF0QS
Subject: Re: [Elecraft] Portable Antennas (Is there an "easy" button?)


 
Hi Bernie, 
 
There will be many opinions, here are mine. There are many different
antennas each with its pros and cons. You are looking for something quick.
While I have no experience with the Buddi-Pole system it seems to me to be
something that should not take a lot of time to set up. Maybe switching
between different bands is the issue. 

A wire of reasonable length (and ground system of some sort) and a good
tuner can switch bands fairly rapidly. Your length of 40 feet seems
reasonable although other lengths may be a bit better depending on the bands
you want to operate on. A problem with a wire antenna is putting it up and
taking it down and the need for supports. If you can just toss it up into an
available tree it could be a quick thing. If you try to get a rope over a
tree and have to walk through nasty vegetation and things get tangled up it
might not be so pleasant. 

Performance wise for a single band I really like a dipole. There are a
number of ways to get multiband operation: traps, jumpers to use or isolate
portions, and feeding with balanced line and use a tuner. I generally do my
portable operation while camping at the same location for several days.
Setup time is not so much an issue for me. 

While some may say having the optimal antenna is the most important thing I
think there may be some other perhaps more important considerations for
portable operation. One is picking the best band to use on a given outing.
Getting a good feel for the bands at home helps a lot, as does checking
propagation information. The best antenna you can put up for portable use
might be about useless if there band conditions are poor on your band of
choice. Once you have a decent antenna selected and have picked a band that
will be open the important thing is good operating. One CQ may not get a
contact. It could take some effort and time. 

Bottom line, do planning on what band to use, pick a simple wire antenna,
spend a reasonable amount of time and you will get contacts!

Good luck and have fun!

73 - Mike WA8BXN





 
---Original Message--- 
 
From: Bernie KF0QS 
Date: 5/6/2012 8:59:34 PM 
To: elecraft@mailman.qth.net 
Subject: [Elecraft] Portable Antennas (Is there an "easy" button?) 
 
Dear Folks: 
 
I have a K2/10 (#6922) and a K1 (#1024). I have used the latter in the 
Field, and hope to use both portable. I have a Buddi-Pole setup, but am 
Annoyed at how long it takes to set up. I am wondering if you folks have a 
Suggestion for a really easy portable antenna setup. Anyone? 
 
As a corollary to that question, I hear people say they just "toss a wire up

In a tree". Both of my Elecraft rigs have the ATU's installed, and so, 
Could I just use a wire? I am contemplating getting some fine gauge wire 
(#24?) and soldering a 40 foot length to the positive pole of a BNC 
Connector and a similar length to the shield. What do you guys think? 
 
73 de Bernie, KF0QS 
 
 
 
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Re: [Elecraft] Portable Antennas (Is there an "easy" button?)

[Mike WA8BXN]

 
Hi Bernie, 
 
There will be many opinions, here are mine. There are many different
antennas each with its pros and cons. You are looking for something quick.
While I have no experience with the Buddi-Pole system it seems to me to be
something that should not take a lot of time to set up. Maybe switching
between different bands is the issue. 

A wire of reasonable length (and ground system of some sort) and a good
tuner can switch bands fairly rapidly. Your length of 40 feet seems
reasonable although other lengths may be a bit better depending on the bands
you want to operate on. A problem with a wire antenna is putting it up and
taking it down and the need for supports. If you can just toss it up into an
available tree it could be a quick thing. If you try to get a rope over a
tree and have to walk through nasty vegetation and things get tangled up it
might not be so pleasant. 

Performance wise for a single band I really like a dipole. There are a
number of ways to get multiband operation: traps, jumpers to use or isolate
portions, and feeding with balanced line and use a tuner. I generally do my
portable operation while camping at the same location for several days.
Setup time is not so much an issue for me. 

While some may say having the optimal antenna is the most important thing I
think there may be some other perhaps more important considerations for
portable operation. One is picking the best band to use on a given outing.
Getting a good feel for the bands at home helps a lot, as does checking
propagation information. The best antenna you can put up for portable use
might be about useless if there band conditions are poor on your band of
choice. Once you have a decent antenna selected and have picked a band that
will be open the important thing is good operating. One CQ may not get a
contact. It could take some effort and time. 

Bottom line, do planning on what band to use, pick a simple wire antenna,
spend a reasonable amount of time and you will get contacts!

Good luck and have fun!

73 - Mike WA8BXN





 
---Original Message--- 
 
From: Bernie KF0QS 
Date: 5/6/2012 8:59:34 PM 
To: elecraft@mailman.qth.net 
Subject: [Elecraft] Portable Antennas (Is there an "easy" button?) 
 
Dear Folks: 
 
I have a K2/10 (#6922) and a K1 (#1024). I have used the latter in the 
Field, and hope to use both portable. I have a Buddi-Pole setup, but am 
Annoyed at how long it takes to set up. I am wondering if you folks have a 
Suggestion for a really easy portable antenna setup. Anyone? 
 
As a corollary to that question, I hear people say they just "toss a wire up

In a tree". Both of my Elecraft rigs have the ATU's installed, and so, 
Could I just use a wire? I am contemplating getting some fine gauge wire 
(#24?) and soldering a 40 foot length to the positive pole of a BNC 
Connector and a similar length to the shield. What do you guys think? 
 
73 de Bernie, KF0QS 
 
 
 
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Re: [Elecraft] Power Supplies

[Ron D'Eau Claire]

Waste heat? Then why to linear supplies typically have NO fans while even small 
switchers depend upon them? 

A linear supply has only a tiny loss in the transformer. 

Both linear and switching supplies have losses associated with the voltage 
regulator circuits, but in that respect they are similar. 

Switchers can be highly reliable, but they have far more parts subject to 
failure than the typical linear supply. The advantages of a switcher is that it 
is lighter and smaller (thanks to avoiding the big transformer) and typically 
cheaper. 

In the thousands of critical commercial applications I have worked in, both on 
shore and at sea, linear supplies were the standard. 

But anything can and will fail over time.  

73, Ron AC7AC

-Original Message-
...it emits much less waste heat than any linear supply I have ever come in 
contact with. The waste heat issue alone is one of my primary motivations for 
installing a switching supply, and is an important consideration in a number of 
commercial systems. 
Mike Alexander - N8MSA 

amsct...@comcast.net 


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[Elecraft] K3 Tx audio ramp up with DATA-A mode

[Edward R. Cole]

Just providing some information that may help others that have 
experienced RF slow ramp up to full power when driving Tx audio from 
a soundcard (typ DATA-A application).  I

I had comments back at the time I asked for solutions to check for 
low audio level.  But it was the opposite, in fact!

I am using an external emu0202 soundcard (I/F to computer vis USB2.0) 
which has plenty of level controls for a sound input but none for 
output via the stereo phone jacks.  Going into the operating sw for 
the soundcard reveals no adjustment of the output audio (usually 
called playback).  I found reference to making adjustments as part of 
installation of the sw - but none after installation - huh?

Well not wanting to go thru all the process of un-installing then 
re-installinng I looked for an alternative.  There was one starring 
me in the face on the front panel.  There is a headphone jack with 
level control (volume) as part of the on-off control.  I unplugged my 
Tx audio line from the jack at the rear and into the headphone jack 
and adjusted the TX audio to 4-bar with 5th flickering.

I could not accomplish this using the mic level control on the K3 
(which doubles as line-in level).  Setting the mic=0 results in no 
audio; setting the mic=1 and it was overloading the K3.  The 
soundcard output was just too hot.  Using the headphone jack with 
headphone level control lets me set it just right.

Result.  First time I sent test tones form the sw the K3 went thru 
the gradual RF ramp up.  Next time I tried it K3 immediately went to 
full power with no ramp up...problem solved!


73, Ed - KL7UW, WD2XSH/45
==
BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
EME: 50-1.1kw?, 144-1.4kw, 432-QRT, 1296-?, 3400-?
DUBUS Magazine USA Rep dubus...@gmail.com
"Kits made by KL7UW" http://www.kl7uw.com/kits.htm
==
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Re: [Elecraft] New AGC FW

[Gary Gregory]

*Bob,

I concur with all your observations. This is the largest FW improvement
effecting all styles of operation that I can recall in quite some time.

An S3 noise on 40M this morning was easily eliminated and then a local Ham
travelling by was 30db over S9 and I noticed the lack of distortion
previously experienced prior to this upgrade.

Now we need to be patient to see if the auto-notch feature can be enabled
whilst running the new settings.

regards,
Gary
*
On 7 May 2012 11:31, Jim Sheldon  wrote:

> Don, Gary and the group,
>
> Wayne's earlier comments about the noise blanker working better turns out
> to be an understatement to say the least.  Not only has the clarity of
> signals improved by being able to tailor the onset of the SW AGC to start
> at a higher level and clean up many of the artifacts that created problems
> before, but it also allows the IF noise blanker as well as the DSP noise
> blanker to work more like most people's concept of what a noise blanker
> should be able to do and now does it with FAR less distortion to the
> desired signals.  This includes using heavy blanking with strong signals
> close in.
>
> I've now been able to eliminate some stubborn power line interference that
> has been plaguing me for a couple of weeks and due to recent tornado damage
> a few miles South of me, the power company has not had time to find and
> cure it yet.  They've been busy replacing the temporary lines & poles they
> used to get everyone back on line as quickly as they could after the storm.
>
> Now that they are on the right track, I'll bet there will be quite a few
> more improvements to come.
>
> Jim - W0EB
>
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-- 
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
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Re: [Elecraft] K3 New AGC FW

[Wayne Burdick]

All noise blankers cause some distortion -- it's a matter of degree.  
NARrow blanking pulses and lower DSP blanker settings will cause less.

I'm surprised the AGC changes are having this much of a benefit, but  
I'm not going to complain.

Wayne


On May 6, 2012, at 6:40 PM, W0MU Mike Fatchett wrote:

> Loaded the new SW and I miss having NR.  I have been tuning around in
> the 7O piles and it is hard for me to compare as I never really
> experienced what others have.  I need to split the antenna and share
> with two K3's and see if I can hear a difference.
>
> Glad to hear the NB is working better.  The distortion to some signals
> with it on was really bad.
>
> Mike W0MU
>
> W0MU-1 CC Cluster w0mu.net
>
>
> On 5/6/2012 7:31 PM, Jim Sheldon wrote:
>> Don, Gary and the group,
>>
>> Wayne's earlier comments about the noise blanker working better  
>> turns out to be an understatement to say the least.  Not only has  
>> the clarity of signals improved by being able to tailor the onset  
>> of the SW AGC to start at a higher level and clean up many of the  
>> artifacts that created problems before, but it also allows the IF  
>> noise blanker as well as the DSP noise blanker to work more like  
>> most people's concept of what a noise blanker should be able to do  
>> and now does it with FAR less distortion to the desired signals.   
>> This includes using heavy blanking with strong signals close in.
>>
>> I've now been able to eliminate some stubborn power line  
>> interference that has been plaguing me for a couple of weeks and  
>> due to recent tornado damage a few miles South of me, the power  
>> company has not had time to find and cure it yet.  They've been  
>> busy replacing the temporary lines&  poles they used to get  
>> everyone back on line as quickly as they could after the storm.
>>
>> Now that they are on the right track, I'll bet there will be quite  
>> a few more improvements to come.
>>
>> Jim - W0EB
>>
>> __
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Re: [Elecraft] Power Supplies

[mikefurrey]

Those Astrons ... The SS-30M, I took the cover off and went, "YUK!" It is a 
switching power supply and my first thought is to treat it like I treat 
computer power supplies  I liked it because it small and light weight 
and it fit perfect in my portable station container.

As for the VS-50M, today is the first time I have turned it on in 15 years 
and the problem there was simply oxidation on the voltage control pot. A 
couple of squirts of DeOxit and it is working as it should. As a precaution 
I loosened and then tightened all the screws on the caps and regulator board 
as other have mentioned. I purchased it used.

I also have an Astron RS-12 that serves to power shack accessories. I 
purchased it used 10 years ago to replace a homebrew power supply (1983 ARRL 
handbook page 5-22) that took a lightening hit (fixed it).

That SS-30M, I guess it may have been a bit light for running the K3.

I have read everyone's posts and been to the links. Thanks all, it's was 
educating. Now 20 CW is wide open over the pole.

73, Mike WA5POK


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Re: [Elecraft] Amazing opening on 20 meters right now

[david Moes]

Gee  and here I was thinking it was just due to the K3 I Just finished 
building. I brought it to the cottage for the first real test and 
thought how wonderful how this new rig is, in that it can here EU on 20m 
at 2:00 am in Ontario. :-)


On 5/5/2012 12:52 AM, Wayne Burdick wrote:
> In northern California I'm hearing dozens of very strong EU stations
> on 20 meter SSB. Wow.
>
> Wayne
> N6KR
>
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Re: [Elecraft] K3 New AGC FW

[W0MU Mike Fatchett]

Loaded the new SW and I miss having NR.  I have been tuning around in 
the 7O piles and it is hard for me to compare as I never really 
experienced what others have.  I need to split the antenna and share 
with two K3's and see if I can hear a difference.

Glad to hear the NB is working better.  The distortion to some signals 
with it on was really bad.

Mike W0MU

W0MU-1 CC Cluster w0mu.net


On 5/6/2012 7:31 PM, Jim Sheldon wrote:
> Don, Gary and the group,
>
> Wayne's earlier comments about the noise blanker working better turns out to 
> be an understatement to say the least.  Not only has the clarity of signals 
> improved by being able to tailor the onset of the SW AGC to start at a higher 
> level and clean up many of the artifacts that created problems before, but it 
> also allows the IF noise blanker as well as the DSP noise blanker to work 
> more like most people's concept of what a noise blanker should be able to do 
> and now does it with FAR less distortion to the desired signals.  This 
> includes using heavy blanking with strong signals close in.
>
> I've now been able to eliminate some stubborn power line interference that 
> has been plaguing me for a couple of weeks and due to recent tornado damage a 
> few miles South of me, the power company has not had time to find and cure it 
> yet.  They've been busy replacing the temporary lines&  poles they used to 
> get everyone back on line as quickly as they could after the storm.
>
> Now that they are on the right track, I'll bet there will be quite a few more 
> improvements to come.
>
> Jim - W0EB
>
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Re: [Elecraft] New AGC FW

[Jim Sheldon]

Don, Gary and the group,

Wayne's earlier comments about the noise blanker working better turns out to be 
an understatement to say the least.  Not only has the clarity of signals 
improved by being able to tailor the onset of the SW AGC to start at a higher 
level and clean up many of the artifacts that created problems before, but it 
also allows the IF noise blanker as well as the DSP noise blanker to work more 
like most people's concept of what a noise blanker should be able to do and now 
does it with FAR less distortion to the desired signals.  This includes using 
heavy blanking with strong signals close in.  

I've now been able to eliminate some stubborn power line interference that has 
been plaguing me for a couple of weeks and due to recent tornado damage a few 
miles South of me, the power company has not had time to find and cure it yet.  
They've been busy replacing the temporary lines & poles they used to get 
everyone back on line as quickly as they could after the storm.

Now that they are on the right track, I'll bet there will be quite a few more 
improvements to come.

Jim - W0EB

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Re: [Elecraft] Portable Antennas (Is there an "easy" button?)

[stan levandowski]

Bernie, I'm no expert but I've been a QRP HF CW addict for 52 years and 
one solution I've found that works quite well with all my Elecraft rigs 
(KX1, K2, K2, and K3) is a simple halfwave vertical with *no* radials or 
any other ground return except for the coax shield.  It's not "perfect" 
but I've worked a freakin' pile of DX with it and its performance is 
reliable and repeatable.  I'm not looking to start any long threads or 
get into arguments with hams whose technical education and abilities far 
exceed mine.  I'm just offering a solution that works for me and which 
might work for you.  Let's see...what's that termYour Mileage May 
Vary.?  :}

See my "not perfect, but pretty darn good solution at"  : 
http://www.youtube.com/watch?v=uWkpQ785Pjo


73, Stan WB2LQF
KX1 #2411K1#2994K2# 6980K3#5244 K9 #1 (Cocoa the 
Chihuahua)
Everything is QRP, even the dog.




On Sun, May 6, 2012 at 8:54 PM, Bernie KF0QS wrote:

> Dear Folks:
>
> I have a K2/10 (#6922) and a K1 (#1024).  I have used the latter in 
> the
> field, and hope to use both portable.  I have a Buddi-Pole setup, but 
> am
> annoyed at how long it takes to set up.  I am wondering if you folks 
> have a
> suggestion for a really easy portable antenna setup.  Anyone?
>
> As a corollary to that question, I hear people say they just "toss a 
> wire up
> in a tree".  Both of my Elecraft rigs have the ATU's installed, and 
> so,
> could I just use a wire?  I am contemplating getting some fine gauge 
> wire
> (#24?) and soldering a 40 foot length to the positive pole of a BNC
> connector and a similar length to the shield.  What do you guys think?
>
> 73 de Bernie, KF0QS
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Portable-Antennas-Is-there-an-easy-button-tp7533480.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Power Supplies

[Fred Townsend]

Gentlemen: Not to put too fine a point on this but none of my questions were 
answered on the web page. That's why I asked them. (I did not ask if it was a 
switcher). Linear or switcher it's all about noise and regulation. Nothing puts 
the banana boat swing on your CW like poor regulation. How fast does it recover 
from a 20 amp step? Actually, the chances are a switcher will be a little 
better at the step response and poorer on the noise. Also, since I have a 
strong dislike for supplies that pass the smoke test I'd like to see an UL 
logo. Finally it has a fan, what is the acoustic noise level. 
73
Fred, AE6QL

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of amsct...@comcast.net
Sent: Sunday, May 06, 2012 5:02 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies

Most of the answer's to Fred's questions can be found on the company's website, 
but... 

- Yes, it's a switching design
- The feet/tabs/protrusions are metal. These are provided so as to allow the 
user (installer?) to bolt them into a cabinet or onto a desk. There are 
adhesive rubber feet that are shipped with the supply. 

As for the entire switching/linear debate... 

I've used both over the years. I currently have an older (linear) Agilent 
supply in the shack which was the primary DC supply, as I am disinclined to use 
hobby supplies of any type. The Bulldog is, even when compared to professional 
gear, quieter, the output looks the same on a scope, I haven't heard it on my 
radio(s) yet and it emits much less waste heat than any linear supply I have 
ever come in contact with. The waste heat issue alone is one of my primary 
motivations for installing a switching supply, and is an important 
consideration in a number of commercial systems. High-quality switching 
supplies offering high "up-time" are common-place today in many 
mission-critical applications. 

Also, aside from the highest-quality, professional linear supplies, I have 
personally witnessed fewer transformer delaminations and filter capacitor 
problems from switching supplies. Yes, there are plenty of "bad" switching 
supplies out there, but then are "bad" linear supplies as well. 

I guess I just find it odd that several responses promote a brand of linear 
supply that has webpages devoted to address a myriad of shortcomings, and yet 
this supply is met with (in my opinion) excessive skepticism, primarily on the 
basis of it's "switching" design. 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message -
From: "Ron D'Eau Claire" 
To: elecraft@mailman.qth.net
Sent: Sunday, May 6, 2012 7:15:26 PM
Subject: Re: [Elecraft] Power Supplies 

Good questions, Fred! From their dimensions I'm guessing they are switchers. I 
could not find the info either. 

They look like they are designed to go into an equipment rack, not on a desk 
top. But I bet you could put rubber feet on those tabs easily enough. 

Color me old fashioned (I still like spending an afternoon on a horse or 
pounding brass with a straight key), but I avoid switchers no matter how much 
people claim they are quiet and I also avoid fans at every opportunity. 

I have several Astrons, not because they fail, but because they provide quiet 
(electrically and acoustically) power and redundancy. Should one ever fail, the 
other can keep the equipment humming, even if at slightly reduced output power. 

Ron AC7AC 

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Townsend
Sent: Sunday, May 06, 2012 10:56 AM
To: amsct...@comcast.net; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies 

Hi Mike: 
Thank you for sharing about the Bulldog supplies. I have never heard of them 
before. My first reaction to the pictures is sooo ugly only its mother would 
love it. The spec sheets are clear but leave out a few things. Maybe you know. 

If it is a switcher what is its noise specification? 
The mounting tabs look like they would scratch the desktop. Are there rubber 
feet? 
Where are the power pole connectors? I guess you would run it with a Rigrunner. 
I didn't see any mention of certifications. UL? CE Mark? 
I like to buy American. Where are these made? 

73
Fred, AE6QL 

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of amsct...@comcast.net
Sent: Sunday, May 06, 2012 9:22 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies 

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate 
Distributing. It's compact, runs cool, is very quiet, looks good on an 
oscilloscope and was designed to be used in a high-RF environment. I cannot 
honestly state that I have been running it for twenty years without a problem, 
but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

h

Re: [Elecraft] Portable Antennas (Is there an "easy" button?)

[Ken Alexander]

Hi Bernie,

You might have to trim the antenna wire a bit so that the autotuners 
will load it up on all bands, and maybe add one or two extra wires on 
the ground side.  After that you should have yourself a very good, 
compact antenna.

I worked Seychelles on my KX-1 on batteries (2 watts) on 20m years ago 
with a 24 ft wire and two 8-foot radials that were stretched actoss my 
2nd floor bedroom floor.  The antenna wire ran out to a tree outside my 
window.

73,

Ken Alexander
VE3HLS


On 06/05/2012 8:54 PM, Bernie KF0QS wrote:
> Dear Folks:
>
> I have a K2/10 (#6922) and a K1 (#1024).  I have used the latter in the
> field, and hope to use both portable.  I have a Buddi-Pole setup, but am
> annoyed at how long it takes to set up.  I am wondering if you folks have a
> suggestion for a really easy portable antenna setup.  Anyone?
>
> As a corollary to that question, I hear people say they just "toss a wire up
> in a tree".  Both of my Elecraft rigs have the ATU's installed, and so,
> could I just use a wire?  I am contemplating getting some fine gauge wire
> (#24?) and soldering a 40 foot length to the positive pole of a BNC
> connector and a similar length to the shield.  What do you guys think?
>
> 73 de Bernie, KF0QS
>
>
>
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/Portable-Antennas-Is-there-an-easy-button-tp7533480.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Power Supplies

[Edward R. Cole]

I guess in any case "your experience may vary", but here is mine.

I have an Astron VS-35M that was bought in 1980 and only repaired 
once when I back biased the LM923 by charging a battery,  Pass 
transistors are the originals.  That is 32-years of service!  It now 
serves as my service bench supply, because I replaced it with a 
RS-50M which runs 24/7 for at least 10-years.

I had dozens (35 to memory) of the R20A at work that served very 
reliably in severe maritime environments on boats and kept on 
working.  I did have one or two croak but they were in-service 
continuously on the boats (24/7).  Those that went I suspect from 
boat generator voltage surges (to 160vac).  The transformers failed.

The Astron's are very basic design and completely reparable if the 
transformer is OK.  I did even order a replacement for the 
transformer that cost > 50% the new price on the PS.  IN my final 
years on the job I ordered some of the 20A switching supplies for 
their size/weight to package into portable packages.


73, Ed - KL7UW, WD2XSH/45
==
BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
EME: 50-1.1kw?, 144-1.4kw, 432-QRT, 1296-?, 3400-?
DUBUS Magazine USA Rep dubus...@gmail.com
"Kits made by KL7UW" http://www.kl7uw.com/kits.htm
==
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[Elecraft] Portable Antennas (Is there an "easy" button?)

[Bernie KF0QS]

Dear Folks:

I have a K2/10 (#6922) and a K1 (#1024).  I have used the latter in the
field, and hope to use both portable.  I have a Buddi-Pole setup, but am
annoyed at how long it takes to set up.  I am wondering if you folks have a
suggestion for a really easy portable antenna setup.  Anyone?

As a corollary to that question, I hear people say they just "toss a wire up
in a tree".  Both of my Elecraft rigs have the ATU's installed, and so,
could I just use a wire?  I am contemplating getting some fine gauge wire
(#24?) and soldering a 40 foot length to the positive pole of a BNC
connector and a similar length to the shield.  What do you guys think?

73 de Bernie, KF0QS



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Re: [Elecraft] Power Supplies

[amsctalx]

Most of the answer's to Fred's questions can be found on the company's website, 
but... 

- Yes, it's a switching design 
- The feet/tabs/protrusions are metal. These are provided so as to allow the 
user (installer?) to bolt them into a cabinet or onto a desk. There are 
adhesive rubber feet that are shipped with the supply. 

As for the entire switching/linear debate... 

I've used both over the years. I currently have an older (linear) Agilent 
supply in the shack which was the primary DC supply, as I am disinclined to use 
hobby supplies of any type. The Bulldog is, even when compared to professional 
gear, quieter, the output looks the same on a scope, I haven't heard it on my 
radio(s) yet and it emits much less waste heat than any linear supply I have 
ever come in contact with. The waste heat issue alone is one of my primary 
motivations for installing a switching supply, and is an important 
consideration in a number of commercial systems. High-quality switching 
supplies offering high "up-time" are common-place today in many 
mission-critical applications. 

Also, aside from the highest-quality, professional linear supplies, I have 
personally witnessed fewer transformer delaminations and filter capacitor 
problems from switching supplies. Yes, there are plenty of "bad" switching 
supplies out there, but then are "bad" linear supplies as well. 

I guess I just find it odd that several responses promote a brand of linear 
supply that has webpages devoted to address a myriad of shortcomings, and yet 
this supply is met with (in my opinion) excessive skepticism, primarily on the 
basis of it's "switching" design. 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message -
From: "Ron D'Eau Claire"  
To: elecraft@mailman.qth.net 
Sent: Sunday, May 6, 2012 7:15:26 PM 
Subject: Re: [Elecraft] Power Supplies 

Good questions, Fred! From their dimensions I'm guessing they are switchers. I 
could not find the info either. 

They look like they are designed to go into an equipment rack, not on a desk 
top. But I bet you could put rubber feet on those tabs easily enough. 

Color me old fashioned (I still like spending an afternoon on a horse or 
pounding brass with a straight key), but I avoid switchers no matter how much 
people claim they are quiet and I also avoid fans at every opportunity. 

I have several Astrons, not because they fail, but because they provide quiet 
(electrically and acoustically) power and redundancy. Should one ever fail, the 
other can keep the equipment humming, even if at slightly reduced output power. 

Ron AC7AC 

-Original Message- 
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Townsend 
Sent: Sunday, May 06, 2012 10:56 AM 
To: amsct...@comcast.net; elecraft@mailman.qth.net 
Subject: Re: [Elecraft] Power Supplies 

Hi Mike: 
Thank you for sharing about the Bulldog supplies. I have never heard of them 
before. My first reaction to the pictures is sooo ugly only its mother would 
love it. The spec sheets are clear but leave out a few things. Maybe you know. 

If it is a switcher what is its noise specification? 
The mounting tabs look like they would scratch the desktop. Are there rubber 
feet? 
Where are the power pole connectors? I guess you would run it with a Rigrunner. 
I didn't see any mention of certifications. UL? CE Mark? 
I like to buy American. Where are these made? 

73 
Fred, AE6QL 

-Original Message- 
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of amsct...@comcast.net 
Sent: Sunday, May 06, 2012 9:22 AM 
To: elecraft@mailman.qth.net 
Subject: Re: [Elecraft] Power Supplies 

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate 
Distributing. It's compact, runs cool, is very quiet, looks good on an 
oscilloscope and was designed to be used in a high-RF environment. I cannot 
honestly state that I have been running it for twenty years without a problem, 
but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

http://www.rivergatedist.com/PowerSupply.htm 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message - 

On 5/6/2012 6:12 AM, mikefur...@att.net wrote: 
Good Morning Ya’ll 

This morning my Astron SS-30M (used regularly for 15 years) went south in a 
puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage 
to the K3. WHEW! 
I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was 
also fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a 
... should I say ... a radio I will not worry about too much ... or build a 
load for it). At a local swapfest last weekend a seller had several Astron 
power supplies that he was selling as parts units. He commented that they were 
unreliable. 

That being said, what are the groups recommendations for a power supply? 

73, Mike W

Re: [Elecraft] [KX3] KX3 Kit #80 looking for QSOs

[Jeff Kinzli N6GQ]

Thanks, Don. Yes, just like the K3 set up. Got it going...

Cheers,

Jeff

On Sun, May 6, 2012 at 4:03 PM, Don Wilhelm  wrote:

>  Jeff,
>
> To set the mic gain correctly, use the ALC meter on the KX3 while
> operating into a dummy load.  Adjust your mic level for 6 to 7 bars on the
> ALC meter (and do not change it no matter what others on the air tell you.
>
> With that accomplished, try compression of 10% as indicated by the meters.
>
> Now you can make some contacts and adjust the compression and TX EQ to be
> suitable for the ears of the listeners.
>
> I will make a couple comments about the TX EQ settings before you ask "on
> the air" - I strongly recommend you set the first two TX EX bands to
> minimum. Those frequencies add nothing to the intelligibility, but do
> consume a great amount of power at the expense of higher frequencies that
> do provide greater intelligibility.
>
> 73,
> Don W3FPR
>
>
> On 5/6/2012 6:46 PM, Jeff Kinzli N6GQ wrote:
>
>
>
> Hey all, KX3 (Kit) #80 is on the air. Looking for some QSOs to help me
> get familiar with the radio.
>
> I'm at 14044 now, and could jump up to SSB - I'd like to get the mic
> gain, etc set nicely, so on the air reports would be helpful.
>
> It was a blast to assemble - and even more fun to operate :)
>
> 73 de N6GQ
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Re: [Elecraft] Power Supplies

[Ron D'Eau Claire]

Good questions, Fred! From their dimensions I'm guessing they are switchers. I 
could not find the info either.

They look like they are designed to go into an equipment rack, not on a desk 
top. But I bet you could put rubber feet on those tabs easily enough. 

Color me old fashioned (I still like spending an afternoon on a horse or 
pounding brass with a straight key), but I avoid switchers no matter how much 
people claim they are quiet and I also avoid fans at every opportunity. 

I have several Astrons, not because they fail, but because they provide quiet 
(electrically and acoustically) power and redundancy. Should one ever fail, the 
other can keep the equipment humming, even if at slightly reduced output power. 

Ron AC7AC

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Fred Townsend
Sent: Sunday, May 06, 2012 10:56 AM
To: amsct...@comcast.net; elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies

Hi Mike:
Thank you for sharing about the Bulldog supplies. I have never heard of them 
before. My first reaction to the pictures is sooo ugly only its mother would 
love it. The spec sheets are clear but leave out a few things. Maybe you know. 

If it is a switcher what is its noise specification? 
The mounting tabs look like they would scratch the desktop. Are there rubber 
feet? 
Where are the power pole connectors? I guess you would run it with a Rigrunner.
I didn't see any mention of certifications. UL? CE Mark?
I like to buy American. Where are these made?

73
Fred, AE6QL

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of amsct...@comcast.net
Sent: Sunday, May 06, 2012 9:22 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate 
Distributing. It's compact, runs cool, is very quiet, looks good on an 
oscilloscope and was designed to be used in a high-RF environment. I cannot 
honestly state that I have been running it for twenty years without a problem, 
but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

http://www.rivergatedist.com/PowerSupply.htm 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message -

On 5/6/2012 6:12 AM, mikefur...@att.net wrote: 
Good Morning Ya’ll 

This morning my Astron SS-30M (used regularly for 15 years) went south in a 
puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage 
to the K3. WHEW! 
I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was 
also fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a 
... should I say ... a radio I will not worry about too much ... or build a 
load for it). At a local swapfest last weekend a seller had several Astron 
power supplies that he was selling as parts units. He commented that they were 
unreliable. 

That being said, what are the groups recommendations for a power supply? 

73, Mike WA5POK __
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Re: [Elecraft] New AGC FW

[Don Wilhelm]

Gary,

No problem - my goal is that no one become confused because of terminology.

What you report is great news.  This has been a mystifying thing at 
Elecraft for some time because of the difficulties of testing the 
results of any changes.

Thank you for your efforts and comments.

73,
Don W3FPR

On 5/6/2012 7:07 PM, Gary Gregory wrote:
> *Don,
>
> Correct...forgive me for the *brain fade*...yes the new adjustment IS for
> the onset of AGC as you point out. My observations still remain as stated.
>
> Apologies to the grout for my tardiness in explaining what I am
> seeing/hearing.
>
> I will repeat that the muddiness I had before is now not apparent, at least
> to a level that it was and signals are now much easier to make out.
>
> There are some limitations with this FW but that is also being looked at by
> Elecraft but I will leave that for the folks at Elecraft to explain.
>
> Regards,
> Gary
>
> *
> On 7 May 2012 08:21, Don Wilhelm  wrote:
>
>> Gary,
>>
>> All you said is true --- BUT
>>
>> I am not trying to be argumentative, but the AGC adjustment that has had
>> the range increased is the "Threshold" and not the "delay"  I would not
>> necessarily bring this up, but there *is* a menu setting for AGC DLY, and I
>> do not wish to see owners confused between the Threshold and the Delay.
>>
>> In simplistic terms, the "Threshold" is the RF level at which the AGC
>> begins to be active.
>>
>> 73,
>> Don W3FPR
>>
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[Elecraft] Manual Notch and Higher Threshold

[Toby Pennington]

Manual notch still works,  but not the auto notch as pointed out by Wayne.

Toby  W4CAk
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Re: [Elecraft] New AGC FW

[Gary Gregory]

*Don,

Correct...forgive me for the *brain fade*...yes the new adjustment IS for
the onset of AGC as you point out. My observations still remain as stated.

Apologies to the grout for my tardiness in explaining what I am
seeing/hearing.

I will repeat that the muddiness I had before is now not apparent, at least
to a level that it was and signals are now much easier to make out.

There are some limitations with this FW but that is also being looked at by
Elecraft but I will leave that for the folks at Elecraft to explain.

Regards,
Gary

*
On 7 May 2012 08:21, Don Wilhelm  wrote:

> Gary,
>
> All you said is true --- BUT
>
> I am not trying to be argumentative, but the AGC adjustment that has had
> the range increased is the "Threshold" and not the "delay"  I would not
> necessarily bring this up, but there *is* a menu setting for AGC DLY, and I
> do not wish to see owners confused between the Threshold and the Delay.
>
> In simplistic terms, the "Threshold" is the RF level at which the AGC
> begins to be active.
>
> 73,
> Don W3FPR
>
> On 5/6/2012 5:41 PM, Gary Gregory wrote:
>
>>  The original settings allowed setting the AGC from 2 thru 8. The new
>> settings allow you to increase the delay of AGC onset from 2 through 20.
>>
>>
>>


-- 
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
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Re: [Elecraft] [KX3] KX3 Kit #80 looking for QSOs

[Don Wilhelm]

Jeff,

To set the mic gain correctly, use the ALC meter on the KX3 while 
operating into a dummy load.  Adjust your mic level for 6 to 7 bars on 
the ALC meter (and do not change it no matter what others on the air 
tell you.

With that accomplished, try compression of 10% as indicated by the meters.

Now you can make some contacts and adjust the compression and TX EQ to 
be suitable for the ears of the listeners.

I will make a couple comments about the TX EQ settings before you ask 
"on the air" - I strongly recommend you set the first two TX EX bands to 
minimum. Those frequencies add nothing to the intelligibility, but do 
consume a great amount of power at the expense of higher frequencies 
that do provide greater intelligibility.

73,
Don W3FPR

On 5/6/2012 6:46 PM, Jeff Kinzli N6GQ wrote:
>
> Hey all, KX3 (Kit) #80 is on the air. Looking for some QSOs to help me
> get familiar with the radio.
>
> I'm at 14044 now, and could jump up to SSB - I'd like to get the mic
> gain, etc set nicely, so on the air reports would be helpful.
>
> It was a blast to assemble - and even more fun to operate :)
>
> 73 de N6GQ
>
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[Elecraft] CWT and Higher Threshold

[Toby Pennington]

OF course,  with the threshold that high the CWT decode does not work well. 

Guess I can use the deocder between my ears.

Toby  W4CAK
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[Elecraft] Trade TT C21 for KX1

[jacob chambers]

Hello;

Just testing some waters...
I have a nearly mint Ten Tec Century 21 CW Transceiver I would like to trade 
for a KX1. I can send photos. It works 100% and includes the matching crystal 
calibrator, manual, and a Century keyer. The keyer was added later and doesn't 
match color and is in average condition. However, for the rig and calibrator, 
you'd be hard pressed to find a cleaner specimen. I just don't use it much 
anymore and want to get a Kx1 for an upcoming vacation trip. 

Please respond off list. 

Thanks;
Jacob K4JQV 
Lexington, KY 


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Re: [Elecraft] [KX3] KX3 Kit #80 looking for QSOs

[TJ Campie]

Ah got confused, thought you were W6GQ who already has a Factory Built one!  

73, W0EA
TJ

QRP ARCI #14612
CW Ops #953
SKCC #4593T
Elecraft KX3 SN?
"Skill transcends power!"



On May 6, 2012, at 5:54 PM, Jeff Kinzli N6GQ wrote:

> 
> 
> 2 S/Ns? Not sure what you mean...
> 
> No real issues on assembly - except my huge fingers made the tiny parts 
> sometimes a challenge to put together.
> 
> The Elecraft crew was great in helping me, a joy to work with.
> 
> A blast to operate!
> 
> 73 de N6GQ
> 
> On Sun, May 6, 2012 at 3:50 PM, TJ Campie  wrote:
>  
> So now you have 2 SNs on your KX3? Confusing!
> 
> Assume you didn't have any show stoppers either?  Looking good for 11th 
> launch then!
> 
> 73, W0EA
> TJ
> 
> QRP ARCI #14612
> CW Ops #953
> SKCC #4593T
> Elecraft KX3 SN?
> "Skill transcends power!"
> 
> 
> 
> On May 6, 2012, at 5:46 PM, Jeff Kinzli N6GQ wrote:
> 
>> Hey all, KX3 (Kit) #80 is on the air. Looking for some QSOs to help me
>> get familiar with the radio.
>> 
>> I'm at 14044 now, and could jump up to SSB - I'd like to get the mic
>> gain, etc set nicely, so on the air reports would be helpful.
>> 
>> It was a blast to assemble - and even more fun to operate :)
>> 
>> 73 de N6GQ
>> 
>> 
>> 
>> 
>> Yahoo! Groups Links
>> 
>> <*> To visit your group on the web, go to:
>>http://groups.yahoo.com/group/KX3/
>> 
>> <*> Your email settings:
>>Individual Email | Traditional
>> 
>> <*> To change settings online go to:
>>http://groups.yahoo.com/group/KX3/join
>>(Yahoo! ID required)
>> 
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>>kx3-dig...@yahoogroups.com 
>>kx3-fullfeatu...@yahoogroups.com
>> 
>> <*> To unsubscribe from this group, send an email to:
>>kx3-unsubscr...@yahoogroups.com
>> 
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>>http://docs.yahoo.com/info/terms/
>> 
> 
> 
> 
> 
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Re: [Elecraft] [KX3] KX3 Kit #80 looking for QSOs

[Jeff Kinzli N6GQ]

2 S/Ns? Not sure what you mean...

No real issues on assembly - except my huge fingers made the tiny parts
sometimes a challenge to put together.

The Elecraft crew was great in helping me, a joy to work with.

A blast to operate!

73 de N6GQ

On Sun, May 6, 2012 at 3:50 PM, TJ Campie  wrote:

> **
>
>
> So now you have 2 SNs on your KX3? Confusing!
> Assume you didn't have any show stoppers either?  Looking good for 11th
> launch then!
>
>  73, W0EA
> TJ
> 
> QRP ARCI #14612
> CW Ops #953
> SKCC #4593T
> Elecraft KX3 SN?
> "Skill transcends power!"
>
>
>
> On May 6, 2012, at 5:46 PM, Jeff Kinzli N6GQ wrote:
>
> Hey all, KX3 (Kit) #80 is on the air. Looking for some QSOs to help me
> get familiar with the radio.
>
> I'm at 14044 now, and could jump up to SSB - I'd like to get the mic
> gain, etc set nicely, so on the air reports would be helpful.
>
> It was a blast to assemble - and even more fun to operate :)
>
> 73 de N6GQ
>
>
> 
>
> Yahoo! Groups Links
>
> <*> To visit your group on the web, go to:
>http://groups.yahoo.com/group/KX3/
>
> <*> Your email settings:
>Individual Email | Traditional
>
> <*> To change settings online go to:
>http://groups.yahoo.com/group/KX3/join
>(Yahoo! ID required)
>
> <*> To change settings via email:
>kx3-dig...@yahoogroups.com
>kx3-fullfeatu...@yahoogroups.com
>
> <*> To unsubscribe from this group, send an email to:
>kx3-unsubscr...@yahoogroups.com
>
> <*> Your use of Yahoo! Groups is subject to:
>http://docs.yahoo.com/info/terms/
>
>
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Re: [Elecraft] [KX3] KX3 Kit #80 looking for QSOs

[TJ Campie]

So now you have 2 SNs on your KX3? Confusing!
Assume you didn't have any show stoppers either?  Looking good for 11th launch 
then!

73, W0EA
TJ

QRP ARCI #14612
CW Ops #953
SKCC #4593T
Elecraft KX3 SN?
"Skill transcends power!"



On May 6, 2012, at 5:46 PM, Jeff Kinzli N6GQ wrote:

> Hey all, KX3 (Kit) #80 is on the air. Looking for some QSOs to help me
> get familiar with the radio.
> 
> I'm at 14044 now, and could jump up to SSB - I'd like to get the mic
> gain, etc set nicely, so on the air reports would be helpful.
> 
> It was a blast to assemble - and even more fun to operate :)
> 
> 73 de N6GQ
> 
> 
> 
> 
> Yahoo! Groups Links
> 
> <*> To visit your group on the web, go to:
>http://groups.yahoo.com/group/KX3/
> 
> <*> Your email settings:
>Individual Email | Traditional
> 
> <*> To change settings online go to:
>http://groups.yahoo.com/group/KX3/join
>(Yahoo! ID required)
> 
> <*> To change settings via email:
>kx3-dig...@yahoogroups.com 
>kx3-fullfeatu...@yahoogroups.com
> 
> <*> To unsubscribe from this group, send an email to:
>kx3-unsubscr...@yahoogroups.com
> 
> <*> Your use of Yahoo! Groups is subject to:
>http://docs.yahoo.com/info/terms/
> 

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Re: [Elecraft] New KX1 low power and 20m oscillation

[Don Wilhelm]

Stan,

I was not available yesterday, so could not respond to your initial post.
The problem is most likely in the Low Pass Filter, so count the turns on 
L1 and L2 very carefully - count the number of times the wire passes 
through the center of the core.  Double check the capacitors in the LPF 
for correct values.

You might want to check the current draw during transmit.  Assume the PA 
transistor should be 50% efficient and there is another 100 ma being 
used by the DDS and other circuits, 2 watts should require a total on 
500 ma.  If the current draw is greater than that, the Low Pass Filter 
has a problem and is shunting some of the power to ground.  OTOH, if the 
current is commensurate with the power produced then the solution will 
be found in the Q4 Q5 circuits or the DDS.

Going back to your earlier conclusion that there were oscillations - 
yes, that can happen and can give erroneous power indications.  If you 
were to look at the output on a scope and find the RF waveform looks 
"modulated", you can be certain the LPF is not suppressing the harmonics.

73,
Don W3FPR

On 5/6/2012 6:29 PM, Stan Gibbs wrote:
> I may have been a bit hasty in concluding that there were oscillations on
> 20m; after I disconnected my K3's 20m antenna, the 20m signal looks fine.
> So I may have just been overloading the K3's front end.  Not sure why the
> 40m signal didn't suffer the same issue, though.
>
> Still have a very low power output (1.7W 40m, 2.0W 20m) and I've done all
> the suggested troubleshooting in the manual.  Components all look in their
> proper places and well soldered.
>
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[Elecraft] KX3 Kit #80 looking for QSOs

[Jeff Kinzli N6GQ]

Hey all, KX3 (Kit) #80 is on the air. Looking for some QSOs to help me
get familiar with the radio.

I'm at 14044 now, and could jump up to SSB - I'd like to get the mic
gain, etc set nicely, so on the air reports would be helpful.

It was a blast to assemble - and even more fun to operate :)

73 de N6GQ
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Re: [Elecraft] New KX1 low power and 20m oscillation

[Stan Gibbs]

I may have been a bit hasty in concluding that there were oscillations on
20m; after I disconnected my K3's 20m antenna, the 20m signal looks fine. 
So I may have just been overloading the K3's front end.  Not sure why the
40m signal didn't suffer the same issue, though.

Still have a very low power output (1.7W 40m, 2.0W 20m) and I've done all
the suggested troubleshooting in the manual.  Components all look in their
proper places and well soldered.


-
73, Stan - KR7C
--
View this message in context: 
http://elecraft.365791.n2.nabble.com/New-KX1-low-power-and-20m-oscillation-tp7531133p752.html
Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] Elecraft CW Net Reminder

[kevinr]

Good Afternoon,
The second net will be at its new time:

Monday 0100z (Sunday 6 PM PDT)  7045 kHz

Hopefully this is late enough for 40 meters to wake up.  If not I'll 
move the 40 meter net one hour later next week.

Let's see how it works,
 Kevin.  KD5ONS
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[Elecraft] New K3 AGC users: Please set AGC SLP (slope) to a higher value

[Wayne Burdick]

It appears that a setting of 0 for AGC SLP (slope) may cause an  
unwanted interaction with the new AGC algorithm (in K3 MCU firmware  
rev 4.50/DSP 2.74). For now, please use AGC SLP=1 or higher, and if  
you hear anything unusual, let us know.

We'll eliminate this oddity in the next release.

73,
Wayne
N6KR

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Re: [Elecraft] New AGC FW

[Don Wilhelm]

Gary,

All you said is true --- BUT

I am not trying to be argumentative, but the AGC adjustment that has had 
the range increased is the "Threshold" and not the "delay"  I would not 
necessarily bring this up, but there *is* a menu setting for AGC DLY, 
and I do not wish to see owners confused between the Threshold and the 
Delay.

In simplistic terms, the "Threshold" is the RF level at which the AGC 
begins to be active.

73,
Don W3FPR

On 5/6/2012 5:41 PM, Gary Gregory wrote:
>   The original settings allowed setting the AGC from 2 thru 8. The new
> settings allow you to increase the delay of AGC onset from 2 through 20.
>
>
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[Elecraft] help - Remoterig, K3 and HRD

[Jorge Diez - CX6VM]

Hello

 

I setup my K3 with the remoterig box. No problem with this.

 

On the other side I need to setup the remoterig with my computer using Ham
Radio Deluxe. I have some questions about the connections

 

If someone is using this setup please let me know.

 

Thanks,

Jorge

CX6VM/CW5W

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Re: [Elecraft] Power Supplies

[Bert Craig]

I think those questions are better suited for the manufacturer/distributed 
rather than Mark. Mark paid his money and took his chances and it appears to ne 
working out for him. He was kind enough to share his individual experience with 
us for our benefit. For those who require a tad more in-depth proof prior to 
purchase and/or endorsement, the company should be taken to task.

Having said that, I do have my own personal opinions re. the intended 
demographic for this product... Definitely NOT QRP - hihi.

73 de Bert
WA2SI

"...and all the pieces matter."
  -- Det. Lester Freamon, BPD

Sent from my Verizon Wireless 4GLTE smartphone

- Reply message -
From: "Fred Townsend" 
To: , 
Subject: [Elecraft] Power Supplies
Date: Sun, May 6, 2012 13:55


Hi Mike:
Thank you for sharing about the Bulldog supplies. I have never heard of them 
before. My first reaction to the pictures is sooo ugly only its mother would 
love it. The spec sheets are clear but leave out a few things. Maybe you know. 

If it is a switcher what is its noise specification? 
The mounting tabs look like they would scratch the desktop. Are there rubber 
feet? 
Where are the power pole connectors? I guess you would run it with a Rigrunner.
I didn't see any mention of certifications. UL? CE Mark?
I like to buy American. Where are these made?

73
Fred, AE6QL

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of amsct...@comcast.net
Sent: Sunday, May 06, 2012 9:22 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate 
Distributing. It's compact, runs cool, is very quiet, looks good on an 
oscilloscope and was designed to be used in a high-RF environment. I cannot 
honestly state that I have been running it for twenty years without a problem, 
but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

http://www.rivergatedist.com/PowerSupply.htm 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message -

On 5/6/2012 6:12 AM, mikefur...@att.net wrote: 
Good Morning Ya’ll 

This morning my Astron SS-30M (used regularly for 15 years) went south in a 
puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage 
to the K3. WHEW! 
I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was 
also fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a 
... should I say ... a radio I will not worry about too much ... or build a 
load for it). At a local swapfest last weekend a seller had several Astron 
power supplies that he was selling as parts units. He commented that they were 
unreliable. 

That being said, what are the groups recommendations for a power supply? 

73, Mike WA5POK __
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[Elecraft] New AGC FW

[Gary Gregory]

*Hi All,

I have been testing the new settings available with the new FW.

 The original settings allowed setting the AGC from 2 thru 8. The new
settings allow you to increase the delay of AGC onset from 2 through 20.

The effect you *hear* is that QSB becomes more rapid (expected behaviour)
but the clarity of multiple signals becomes much clearer. As an example,
tuning into the pileup of stations calling 7O6T enables each of the
callsigns of the stations is much easier to pick out. I have not detected
any mushy audio effects using a setting from 14-18 but occasionally you get
a louder audio from some stations.

I noticed you do have to reduce your AF gain somewhat to compensate for the
increase in audio but you do this while you adjust the AGC. I have been
using PF2 to switch between normal use and AGC adjustment for convenience.

On 10M I had some QRN appear and activated the NB and found the NB
eliminated the noise completely but did not notice any audio artifacts in
audio from strong signals. I have settled on a setting of 12-14 for normal
use now and I am evaluating whether this should become my *normal* setting
for *daily* use.

I will leave it to Wayne to respond with the relationship of the new
settings to S units but it appears to me that this improvement should
resolve many of the issues experienced when working a pileup with even more
refinements expected in the future.

My observations are a work in progress and I am sure others will alert the
group as they have a chance to play with the new FW.

regards,

Gary
*
-- 
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
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Re: [Elecraft] RTTY Keying problem

[N4QS]

To all,

Thanks to several replies, I resolved the RTTY keying problem.  It was a simple 
cabling issue.

73,

Dave, N4QS
  - Original Message - 
  From: N4QS 
  To: Elecraft Reflector 
  Sent: Sunday, May 06, 2012 11:11 AM
  Subject: RTTY Keying problem


  To all,

  I had a computer crash yesterday and have spent the weekend reinstalling ham 
radio software and interfaces on a replacement pc.  I almost have everything 
working except that I still can't get DX4WIN to key the K3 in RTTY AFSK A mode. 

  I use MMTTY and DX4WIN.  Maybe someone can help refresh my memory.  I have 
the K3 Data Mode set at AFSK A.  I have always used AFSK A with the K3.  The K3 
PTT-Key setup in Configurator is set as DTR - RTS.  If I run MMTTY outside of 
DX4WIN, under MMTTY Setup, TX tab, I have PTT & FSK port set at None.  If I go 
into DX4WIN and bring up the RTTY window and then do an Alt-S, I show MMTTY 
Keying setup as Vox and key line set as DTR.  I am using Com1 for radio control 
between the pc and K3.

  I can receive fine, but just cannot key the K3.  I wonder how you are setup?  
It was working perfectly until the crash!

  Thanks,

  Dave, N4QS
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[Elecraft] neqso party

[ron]

If anyone is interested, there is a link to a local club mobile trailer 
used during this contest weekend.
They are at Martha's Vineyard (MA) .

google "hamcow" and click on the streaming video to see the k3 in action 
with other radios.
it's a riot.

The remaining website relates to hamcow itself as well as the expedition 
to the "vineyard".
A lot of planning went into this.
enjoy

72
Ron, wb1hga
"you must be lost to find something that can't be found"
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Re: [Elecraft] KRC2 Failure

[iain macdonnell - N6ML]

On Sun, May 6, 2012 at 12:42 PM, Jim Brown  wrote:
> For about two years, I've had a pair of KRC2s in my SO2R station, each
> driving a WX0B switching matrix for W3NQN filters.  They have worked
> fine.  Friday, our power was off so that PG&E could do some maintenance,
> so I pulled power from a bank of power pole outlets that feeds one of
> the KRC2s to minimize discharge of my backup batteries.  After restoring
> power, the KRC2 has failed, in the condition that the WX0B matrix (only
> relays) does not pass signal.  If I remove power from the KRC2 the WX0B
> box does pass signal.

Could it be selecting the wrong filter (different band), perhaps?
Suggest measuring the voltage at each output on the terminal blocks
inside the KRC-2, as you change bands

73,

~iain / N6ML
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Re: [Elecraft] KPA3 misbehaving

[Steve Reed]

OK, another update.

I tried the PA alignment procedure with the K3 utility.  The 5 watt
alignment goes fine.  The 50 watt alignment fails with "Hi Curr".

Removed the KPA3, checked for anything obviously loose (all looks good) and
reinstalled.  Same error

Guess this will be a call to Elecraft tomorrow, unless someone in this
forum can help.

Steve, AI7AZ


On Sun, May 6, 2012 at 10:04 AM, Steve Reed  wrote:

> All,
>
> Here's the latest on my K3, now that I'm back from 7QP and can put it up
> on the bench and focus on this.
>
> When the PA setting is set to "normal", I can in fact hear the relay click
> when I turn the power control past 12 watts.  However the display keeps
> indicating "Hi Curr" and kicks it all back to 12 watts or lower.  As you
> turn the power knob up, you can see the power setting increase, but "Hi
> Curr" keeps flashing in the display.  This is all *without* the K3
> transmitting.  Go into transmit mode and all you get is definitely 12 watts.
>
> The serial number is 5662.
>
> I plan on calling Elecraft about this tomorrow.  In the meantime, anyone
> have some ideas?
>
> Steve, AI7AZ
>
>
>
>
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[Elecraft] KRC2 Failure

[Jim Brown]

For about two years, I've had a pair of KRC2s in my SO2R station, each 
driving a WX0B switching matrix for W3NQN filters.  They have worked 
fine.  Friday, our power was off so that PG&E could do some maintenance, 
so I pulled power from a bank of power pole outlets that feeds one of 
the KRC2s to minimize discharge of my backup batteries.  After restoring 
power, the KRC2 has failed, in the condition that the WX0B matrix (only 
relays) does not pass signal.  If I remove power from the KRC2 the WX0B 
box does pass signal.

Any ideas as to what would cause this failure?

73, Jim K9YC
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Re: [Elecraft] [K3} CocoaModem & MacLoggerDX

[Bill Frantz]

I just use cocoaModem (CCM) standalone.


Now here's the big disconnect. I was describing the PSK window, 
an I gather you are trying to use CCM for RTTY. Sorry for that. 
I have RTTY on my "to learn someday" list, perhaps after 
screwing up enough courage to try for my first CW QSO.

A few minutes playing with the RTTY interfaces show that the 
"Wideband RTTY" interface operates much like the PSK interface. 
It has two waterfalls, so you click in the correct waterfall to 
tune the receiver and there are a few other differences.

There are two other RTTY windows, "RTTY" and "Dual RTTY", but I 
couldn't quite get them to work. I think they involve turning 
the tuning knob on the K3, which will also shift the transmit 
frequency. :-( Perhaps this is a use for RIT. (I really have a 
lot to learn about the K3.)

Cheers - Bill, AE6JV

On 5/4/12 at 17:49, n...@nf4l.com (Mike) wrote:

>OK Bill,
>
>Got it (mostly) working. Are we talking about CCM stand alone 
>or with a logging program? If with a logging program, which one?

>This is the window I couldn't get, and I still can't, but now 
>suddenly I do get a window with the Lissajou indicator
>and a section for received text and a place to type the text to send, and the 
>macro buttons.
>
>No primary and secondary receiver buttons. No waterfall.

---
Bill Frantz|"After all, if the conventional wisdom was 
working, the
408-356-8506   | rate of systems being compromised would be 
going down,
www.pwpconsult.com | wouldn't it?" -- Marcus Ranum

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Re: [Elecraft] RTTY Keying problem

[Joe Subich, W4TV]

> I have the K3 Data Mode set at AFSK A. I have always used AFSK A
> with the K3. The K3 PTT-Key setup in Configurator is set as DTR -
> RTS. If I run MMTTY outside of DX4WIN, under MMTTY Setup, TX tab, I
> have PTT& FSK port set at None. If I go into DX4WIN and bring up the
> RTTY window and then do an Alt-S, I show MMTTY Keying setup as Vox
> and key line set as DTR. I am using Com1 for radio control between
> the pc and K3.

When you do Alt-S you will want to show MMTTY Keying as "PTT Control"
and DTR (based on your K3 settings).

Note your K3 "PTT-Key" is "backward" as several packages (e.g., N1MM
Logger and Writelog) limit PTT to RTS and/or limit CW to DTR.

73,

... Joe, W4TV


On 5/6/2012 12:11 PM, N4QS wrote:
> To all,
>
> I had a computer crash yesterday and have spent the weekend
> reinstalling ham radio software and interfaces on a replacement pc.
> I almost have everything working except that I still can't get DX4WIN
> to key the K3 in RTTY AFSK A mode.
>
> I use MMTTY and DX4WIN.  Maybe someone can help refresh my memory.  I
> have the K3 Data Mode set at AFSK A.  I have always used AFSK A with
> the K3.  The K3 PTT-Key setup in Configurator is set as DTR - RTS.
> If I run MMTTY outside of DX4WIN, under MMTTY Setup, TX tab, I have
> PTT&  FSK port set at None.  If I go into DX4WIN and bring up the
> RTTY window and then do an Alt-S, I show MMTTY Keying setup as Vox
> and key line set as DTR.  I am using Com1 for radio control between
> the pc and K3.
>
> I can receive fine, but just cannot key the K3.  I wonder how you are
> setup?  It was working perfectly until the crash!
>
> Thanks,
>
> Dave, N4QS
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Re: [Elecraft] Using RX ANT OUT for a second receiver

[Joe Subich, W4TV]

Pete,

I've been doing that to feed my SDR-IQ and it does not seem to be
a sensitivity problem.

*NOTE* the RX Out/In loop is *after* the transmit lowpass filters
and as such they will impact the ability of your QSR-1 to receive
on bands above the one in use on the main receiver.

73,

... Joe, W4TV


On 5/6/2012 8:24 AM, Pete Smith N4ZR wrote:
> Any reason not to use a magic-tee splitter between the RX ANT OUT and RX
> ANT IN ports on a K3 (no antenna tuner) to feed the received signals
> simultaneously to a second receiver? I want to be able to use my main
> antennas with my QS1R for Reverse Beacon functions. I realize that will
> cost 3+ db on each port, but that doesn't look like a show-stopper.
>
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Re: [Elecraft] Power Supplies

[Joe Subich, W4TV]

I have a pair of RS-35A - one for each K3 (yes, it's overkill) one of
which is 20 years old - with nary a problem.  In addition, I have an
RS-12A that I use for miscellaneous "12V loads" and low power testing.

Astron "RS" series analog supplies were somewhat unreliable 35 years
ago when the standard pass transistor was the 2N3055 and *sockets*
due to heating and the limited current capability but that was a long
time ago and has been resolved by the move to the 2N3771 and better
installation/manufacturing techniques.

Like any device, the supply should be cleaned/maintained on a regular
basis ... pay special attention to the screws on the capacitor and
the output studs as they tend to loosen over time.

73,

... Joe, W4TV


On 5/6/2012 12:09 PM, Keith Heimbold wrote:
> I had a samlex 20 amp power supply and replaced it when I had some issues 
> with it and my back up rig, FT920 which gave the small switching supply fits.
>
> I have since bought two RS35 Astrons one which has the meters and voltage pot 
> and they have been great.
>
> I also have a small powerwerx 35 amp switching supply for traveling.  It is 
> super small and seems to work great.
>
> Keith
> AG6AZ
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Re: [Elecraft] K3 Mic Gain

[Jim Brown]

On 5/6/2012 9:26 AM, Gary wrote:
> The second concern involves mic impedance. Except for a brief mention of
> "Low-Z (~600 ohms)" on pg. 13 and "MIC MONO; hi- or low-Z" on pg 20 I
> haven't found any mention of where Elecraft differentiates between high and
> low mic impedance nor what may be too high or too low. Do any of you more
> experienced K3 users and audio professionals know?

For all practical purposes, nearly all mics likely to be used with ham 
gear are low impedance mics.  As an audio professional, I own a bunch of 
low impedance pro mics, some of which have fairly low output.  All work 
just fine with every ham rig I've ever plugged them into. All you need 
is a properly wired cable adapter.

Although I don't own any high-Z mics and haven't tried any with a K3, I 
would expect them to work fine too, simply because the K3 has such great 
adaptability in the form of mic gain and TXEQ.

I can't comment on changes to firmware and its documentation.

73, Jim K9YC
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Re: [Elecraft] Power Supplies

[Fred Townsend]

Hi Mike:
Thank you for sharing about the Bulldog supplies. I have never heard of them 
before. My first reaction to the pictures is sooo ugly only its mother would 
love it. The spec sheets are clear but leave out a few things. Maybe you know. 

If it is a switcher what is its noise specification? 
The mounting tabs look like they would scratch the desktop. Are there rubber 
feet? 
Where are the power pole connectors? I guess you would run it with a Rigrunner.
I didn't see any mention of certifications. UL? CE Mark?
I like to buy American. Where are these made?

73
Fred, AE6QL

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of amsct...@comcast.net
Sent: Sunday, May 06, 2012 9:22 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate 
Distributing. It's compact, runs cool, is very quiet, looks good on an 
oscilloscope and was designed to be used in a high-RF environment. I cannot 
honestly state that I have been running it for twenty years without a problem, 
but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

http://www.rivergatedist.com/PowerSupply.htm 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message -

On 5/6/2012 6:12 AM, mikefur...@att.net wrote: 
Good Morning Ya’ll 

This morning my Astron SS-30M (used regularly for 15 years) went south in a 
puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage 
to the K3. WHEW! 
I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was 
also fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a 
... should I say ... a radio I will not worry about too much ... or build a 
load for it). At a local swapfest last weekend a seller had several Astron 
power supplies that he was selling as parts units. He commented that they were 
unreliable. 

That being said, what are the groups recommendations for a power supply? 

73, Mike WA5POK __
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Re: [Elecraft] [Elecraft_K3] Summary of comments on new K3 AGC

[Wayne Burdick]

Ian White GM3SEK wrote:

>> We have about 60 K3 owners testing the K3's new AGC

> Does this affect the C238 modification?

No. The new DSP AGC changes are completely independent of the hardware  
AGC time constant.

Increasing the size of C238 was experimental (maybe even "dodgy", in  
hindsight, to use the vernacular). It may help with much stronger  
signals (S9+20 or so is where hardware AGC really kicks in). But I  
think we've now demonstrated that in-band IMD in dense S3-S5 pile-ups  
can be reduced with DSP AGC changes.

Wayne
N6KR

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Re: [Elecraft] K3 DVR firmware

[Dick Dievendorff]

The DVR firmware is installed at the factory.  There is no in-the-field
upgrade capability planned, required, or implemented.

>From K3 Utility Help:

"The KDVR3 comes with factory-installed firmware whose version is shown in
the "Installed" column. There is no DVR firmware file."

73 de Dick, K6KR

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Gary
Sent: Sunday, May 06, 2012 9:50 AM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] K3 DVR firmware

What is the latest version of firmware for the K3's DVR? Mine shows v. 01.04
but I can't say I've ever seen DVR files in the zipped K3 firmware packs yet
it shows up on the utility under installed firmware. Is this still the
latest? Can it be included in future K3 firmware folders for the sake of
continuity and to complete the utility's list of "available" firmware?

73,
Gary

N6LRV

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Re: [Elecraft] KPA3 misbehaving

[Steve Reed]

All,

Here's the latest on my K3, now that I'm back from 7QP and can put it up on
the bench and focus on this.

When the PA setting is set to "normal", I can in fact hear the relay click
when I turn the power control past 12 watts.  However the display keeps
indicating "Hi Curr" and kicks it all back to 12 watts or lower.  As you
turn the power knob up, you can see the power setting increase, but "Hi
Curr" keeps flashing in the display.  This is all *without* the K3
transmitting.  Go into transmit mode and all you get is definitely 12 watts.

The serial number is 5662.

I plan on calling Elecraft about this tomorrow.  In the meantime, anyone
have some ideas?

Steve, AI7AZ
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Re: [Elecraft] K3 Mic Gain

[Rick Stealey]

Gary,
Regarding the mic Z, you can use any mic, high or low Z.
I am using a D104 with my K3, and as you know conventional wisdom says they
want extremely high Z.  Use what mic you have and use TX EQ to get it to sound 
good.

Rick  K2XT
  
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[Elecraft] K3 DVR firmware

[Gary]

What is the latest version of firmware for the K3's DVR? Mine shows v. 01.04
but I can't say I've ever seen DVR files in the zipped K3 firmware packs yet
it shows up on the utility under installed firmware. Is this still the
latest? Can it be included in future K3 firmware folders for the sake of
continuity and to complete the utility's list of "available" firmware?

73,
Gary

N6LRV

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Re: [Elecraft] [Elecraft_K3] Summary of comments on new K3 AGC

[Ian White GM3SEK]

Wayne Burdick wrote:
>We have about 60 K3 owners testing the K3's new AGC. I'm sure we'll
>hear from some of them, but here's a summary of comments they've sent
>to me so far:
>
>- copy is much improved in dense pile-up conditions
>
>- signals have more "clarity"
>
>- QSB is more noticeable on weak signals (this is to be
>   expected on signals that are not activating AGC)
>
>- the noise blanker has become more effective in some cases
>   (also expected; its effect is not being muted by AGC compression)
>
>I'll be happy to send out additional copies of the new firmware. If
>all goes well this should become a beta release next week.
>

Does this affect the C238 modification?


-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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[Elecraft] K3 Mic Gain

[Gary]

I recently decided to test a very old low output/low impedance hand mic on
my K3 when I soon found some confusing information in the latest K3 manual.
My K3's firmware is current. I have two concerns: first, pg. 20 of the
owner's manual mentions additional mic gain can be enabled by tapping the 3
button in the MAIN:MIC SEL menu but when I tried the radio responded with
"N/A". I researched the firmware notes and found a change to this control
was made back in MCU 4.31 so that this gain 'boost' (to the front panel mic
only) can be enabled/disabled by pressing the 7 button, not the 3 button as
shown in the manual. Also the "boost" indicator has changed from ' to a
"high bar" symbol. I'm unclear on the "DSP mic boost (H or Hi)" reference in
the notes. I hope corrections to the K3 owner's manual pages 20 and 52 are
on Elecraft's to do list.

 

The second concern involves mic impedance. Except for a brief mention of
"Low-Z (~600 ohms)" on pg. 13 and "MIC MONO; hi- or low-Z" on pg 20 I
haven't found any mention of where Elecraft differentiates between high and
low mic impedance nor what may be too high or too low. Do any of you more
experienced K3 users and audio professionals know?

73,
Gary

N6LRV

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Re: [Elecraft] Power Supplies

[amsctalx]

I recently purchased a Bulldog RDC-55 55A power supply from Rivergate 
Distributing. It's compact, runs cool, is very quiet, looks good on an 
oscilloscope and was designed to be used in a high-RF environment. I cannot 
honestly state that I have been running it for twenty years without a problem, 
but those that have seem to find them trouble-free. 

I think it's a shame that more people don't know about them. .. 

http://www.rivergatedist.com/PowerSupply.htm 


Mike Alexander - N8MSA 

amsct...@comcast.net 

- Original Message -

On 5/6/2012 6:12 AM, mikefur...@att.net wrote: 
Good Morning Ya’ll 

This morning my Astron SS-30M (used regularly for 15 years) went south in a 
puff of 
smoke and voltage on the meter was fluctuating around 10VDC. No damage to the 
K3. WHEW! 
I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was 
also 
fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a ... 
should I 
say ... a radio I will not worry about too much ... or build a load for it). At 
a local 
swapfest last weekend a seller had several Astron power supplies that he was 
selling as 
parts units. He commented that they were unreliable. 

That being said, what are the groups recommendations for a power supply? 

73, Mike WA5POK __ 
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Re: [Elecraft] Power supplies

[Tony Estep]

On Sun, May 6, 2012 at 11:09 AM, Randy Moore  wrote:

> It may be that there's a difference between the Astrons of yesteryear and
> new ones



Over the history of Astron power supplies there have been some component
changes and some design changes. There is an entertaining and informative
trove of Astron lore available on the web. Here is an excellent starting
point:

http://www.repeater-builder.com/astron/astron-intro-stuff.html

73, Tony KT0NY




-- 
http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352
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[Elecraft] RTTY Keying problem

[N4QS]

To all,

I had a computer crash yesterday and have spent the weekend reinstalling ham 
radio software and interfaces on a replacement pc.  I almost have everything 
working except that I still can't get DX4WIN to key the K3 in RTTY AFSK A mode.

I use MMTTY and DX4WIN.  Maybe someone can help refresh my memory.  I have the 
K3 Data Mode set at AFSK A.  I have always used AFSK A with the K3.  The K3 
PTT-Key setup in Configurator is set as DTR - RTS.  If I run MMTTY outside of 
DX4WIN, under MMTTY Setup, TX tab, I have PTT & FSK port set at None.  If I go 
into DX4WIN and bring up the RTTY window and then do an Alt-S, I show MMTTY 
Keying setup as Vox and key line set as DTR.  I am using Com1 for radio control 
between the pc and K3.

I can receive fine, but just cannot key the K3.  I wonder how you are setup?  
It was working perfectly until the crash!

Thanks,

Dave, N4QS
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Re: [Elecraft] Power supplies

[Randy Moore]

It may be that there's a difference between the Astrons of yesteryear and
new ones. When I got my K3 about 2 years ago, I went shopping for a new PS.
Astron was my first choice. Two were DOA. Their customer service was not
helpful. I ended up with a Samlex 1235M also and that has been fine.

YMMV!

73,
Randy, KS4L
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Re: [Elecraft] Power Supplies

[Keith Heimbold]

I had a samlex 20 amp power supply and replaced it when I had some issues with 
it and my back up rig, FT920 which gave the small switching supply fits.

I have since bought two RS35 Astrons one which has the meters and voltage pot 
and they have been great.  

I also have a small powerwerx 35 amp switching supply for traveling.  It is 
super small and seems to work great. 

Keith
AG6AZ
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Re: [Elecraft] Summary of comments on new K3 AGC

[Wayne Burdick]

Mike K2MK wrote:

> How does the AGC work with respect to the Sub RX? Do the AGC config  
> settings
> affect both the main and sub in the same manner?

Yes.


> Will the latest improvements also be noticeable on the sub RX?

Yes -- the two receivers are identical, and will be improved in the  
same way.

Wayne
N6KR

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Re: [Elecraft] Amazing opening on 20 meters right now

[Wilford D Lindsey]

Fred:

Many tks fer the feedback.  You will be very happy wid ur k2 radio.  I have 
used several and my present one is #054.  The K2 was the world's gold standard 
until the K3 came along.  I remember several rare DXpededitions where K2s were 
the main transceivers used!  Now its the K3 as in the present dx to 706T all 
are--Wow!  So you have chosen very wisely, good Sir, and it will be worth the 
wait.

73,
Doc/K0EVZ

 
Sent from my Verizon Wireless BlackBerry

-Original Message-
From: "Fred Smith" 
Date: Sun, 6 May 2012 05:16:05 
To: ; ; 
; 'Wayne Burdick'
Cc: 'Elecraft'; 
Subject: RE: [Elecraft] Amazing opening on 20 meters right now

Doc:

I know where you are at a good day nets me 3-3 1/2 hrs of sleep a night then
up and into the shack. I'm waiting on my K2 so still using my IC-703 Plus
with W4RT duel filters it does a good job still waiting to compare the 2
radios. Finally made a QRP contact with 7O6T 5w on 17m 02:37 5/6/12 was very
pleased but had a 5x9x20 on him just luck.

73,

Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wilford D Lindsey
Sent: Sunday, May 06, 2012 4:36 AM
To: gold...@charter.net; elecraft-boun...@mailman.qth.net; Wayne Burdick
Cc: Elecraft; k...@yahoogroups.com; WD Lindsey K0EVZ
Subject: Re: [Elecraft] Amazing opening on 20 meters right now

Hey everybody:

I can verify an amazIng opening on *40 metres* early this AM @ 0500 mountain
time.when I worked HK1MW with only one watt into my trusty homebrew wire
vertical with 4 counterpoise wires.  He had to ask for several fills but
only becus of rude operators from EU who simply not stand by until he cud
make out the final "z" in my call.  But to his Korean doggedness, he kept
with it until we had a complete QSO.  

I was thrilled, as this was my very very first QSO with a KX1 (traded for,
but new to me, built a year ago).  I ckecked the power out later wid an OHR
WM-2. 

Thanks for letting me share this small vIctory, important when pain prevents
sleep and I spend 24 hours a day "living" in this old wheelchair (!).
Thanks to all the folks at Elecraft as always fer producing such a great rig
as the KX1.  It's simply fabulous, IMHO.

73,
Doc/K0EVZ

Sent from my Verizon Wireless BlackBerry

-Original Message-
From: gold...@charter.net
Sender: elecraft-boun...@mailman.qth.net
Date: Sat, 5 May 2012 07:40:28
To: Wayne Burdick
Cc: Elecraft Reflector; 
Subject: Re: [Elecraft] Amazing opening on 20 meters right now

I knew I should have stayed up all night making contacts.

At 10:30 PM EST 20m was open in MI, my problem was that I did not have any
energy it was a long week at work. :-(

~73
Don
KD8NNU


On Sat, May 5, 2012 at 12:52 AM, Wayne Burdick wrote:

> In northern California I'm hearing dozens of very strong EU stations 
> on 20 meter SSB. Wow.
>
> Wayne
> N6KR
>
> __
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No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1913 / Virus Database: 2425/4980 - Release Date: 05/05/12

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Re: [Elecraft] Summary of comments on new K3 AGC

[Mike K2MK]

Hi Wayne,

How does the AGC work with respect to the Sub RX? Do the AGC config settings
affect both the main and sub in the same manner? Will the latest
improvements also be noticeable on the sub RX. While listening to the CW
pileups for 7O6T on the sub RX I felt that I was hearing the mush that
others have described for the first time.

73,
Mike K2MK



wayne burdick wrote
> 
> We have about 60 K3 owners testing the K3's new AGC. I'm sure we'll  
> hear from some of them, but here's a summary of comments they've sent  
> to me so far:
> 
> - copy is much improved in dense pile-up conditions
> 
> - signals have more "clarity"
> 
> - QSB is more noticeable on weak signals (this is to be
>expected on signals that are not activating AGC)
> 
> - the noise blanker has become more effective in some cases
>(also expected; its effect is not being muted by AGC compression)
> 
> I'll be happy to send out additional copies of the new firmware. If  
> all goes well this should become a beta release next week.
> 
> 73,
> Wayne
> N6KR
> 


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Re: [Elecraft] Summary of comments on new K3 AGC

[N2BC]

Hi Wayne,  I would like to try the new firmware!

THX & 73,  Bill  N2BC


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Sunday, May 06, 2012 11:06 AM
To: Elecraft Reflector
Cc: elecraft...@yahoogroups.com
Subject: [Elecraft] Summary of comments on new K3 AGC

We have about 60 K3 owners testing the K3's new AGC. I'm sure we'll hear
from some of them, but here's a summary of comments they've sent to me so
far:

- copy is much improved in dense pile-up conditions

- signals have more "clarity"

- QSB is more noticeable on weak signals (this is to be
   expected on signals that are not activating AGC)

- the noise blanker has become more effective in some cases
   (also expected; its effect is not being muted by AGC compression)

I'll be happy to send out additional copies of the new firmware. If all goes
well this should become a beta release next week.

73,
Wayne
N6KR


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Re: [Elecraft] Power Supplies

[NZ0T]

I has an Astron RS-20 that worked great fo 20 years.  The only problems I had
were the loosening of the big cap screws and the need to replace the LM723
once.  On the other hand I purchased a new RS-35M last January and last week
it decided to stop putting out any DC voltage.  Something on the board is
bad I'm sure.

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[Elecraft] Summary of comments on new K3 AGC

[Wayne Burdick]

We have about 60 K3 owners testing the K3's new AGC. I'm sure we'll  
hear from some of them, but here's a summary of comments they've sent  
to me so far:

- copy is much improved in dense pile-up conditions

- signals have more "clarity"

- QSB is more noticeable on weak signals (this is to be
   expected on signals that are not activating AGC)

- the noise blanker has become more effective in some cases
   (also expected; its effect is not being muted by AGC compression)

I'll be happy to send out additional copies of the new firmware. If  
all goes well this should become a beta release next week.

73,
Wayne
N6KR


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Re: [Elecraft] Power Supplies

[Phil LaMarche]

I have an Astron RM70 to power the shack. 20+ years and not a hiccup!
Highly recommend

Phil

Philip LaMarche

 
727-944-3226
727-510-5038 Cell 
 www.w9dvm.com
WWW.FLAMGROUP.COM

K3 # 1605
KPA500 # 029
P3 #1480

 CCA 98-00827
CRA 1701
W9DVM
 


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of N5GE
Sent: Sunday, May 06, 2012 10:49 AM
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Power Supplies


The Astron Power Supplies are great.  Don't always believe what people at
Hamfests tell you.

Check the connections inside the chassis and make sure all the mounting and
connection screws are tight before turning the 50 amp supply on.  I've been
using the same Astron AS50 for 15 years and it has never failed to operate.

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Sun, 6 May 2012 08:12:05 -0500,  wrote:

>Good Morning Ya’ll
>
>This morning my Astron SS-30M (used regularly for 15 years) went south in a
puff of smoke and voltage on the meter was fluctuating around 10VDC. No
damage to the K3. WHEW! I pulled out my Astron VS-50M (haven’t used in 15
years) and its voltage was also fluctuating a bit (maybe needs to reform
caps?) (I’ll try it later on a ... should I say ... a radio I will not worry
about too much ... or build a load for it). At a local swapfest last weekend
a seller had several Astron power supplies that he was selling as parts
units. He commented that they were unreliable. 
>
>That being said, what are the groups recommendations for a power supply?
>
>73, Mike WA5POK
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Re: [Elecraft] Power Supplies

[N5GE]

The Astron Power Supplies are great.  Don't always believe what people at
Hamfests tell you.

Check the connections inside the chassis and make sure all the mounting and
connection screws are tight before turning the 50 amp supply on.  I've been
using the same Astron AS50 for 15 years and it has never failed to operate.

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Sun, 6 May 2012 08:12:05 -0500,  wrote:

>Good Morning Ya’ll
>
>This morning my Astron SS-30M (used regularly for 15 years) went south in a 
>puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage 
>to the K3. WHEW! I pulled out my Astron VS-50M (haven’t used in 15 years) and 
>its voltage was also fluctuating a bit (maybe needs to reform caps?) (I’ll try 
>it later on a ... should I say ... a radio I will not worry about too much ... 
>or build a load for it). At a local swapfest last weekend a seller had several 
>Astron power supplies that he was selling as parts units. He commented that 
>they were unreliable. 
>
>That being said, what are the groups recommendations for a power supply?
>
>73, Mike WA5POK
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Re: [Elecraft] Using RX ANT OUT for a second receiver

[Randy Farmer]

I do this to feed my ancient R-4C as an auxiliary receiver. I built up a 
special RX antenna relay switching matrix to manage feeds to the Main 
and Sub receivers with a Mini-Circuits PSC-2-2 embedded in it for this 
purpose. The splitter can be switched in or out to share the Aux R-4C 
with the K3 Main input. It works great.

73...
Randy, W8FN

On 05/06/2012 07:24, Pete Smith N4ZR wrote:
> Any reason not to use a magic-tee splitter between the RX ANT OUT and RX
> ANT IN ports on a K3 (no antenna tuner) to feed the received signals
> simultaneously to a second receiver? I want to be able to use my main
> antennas with my QS1R for Reverse Beacon functions. I realize that will
> cost 3+ db on each port, but that doesn't look like a show-stopper.
>
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Re: [Elecraft] Power Supplies

[Phil Hystad]

I have one SAMLEX and three Astron power supplies and they have operated 
perfectly since they day I bought them.  I own the following:

--one Samlex 13.8, 3 to 5 amp power supply I have in the garage
   for various little projects and experimental work.

--two Astron RS-35M power supplies.

--one Astron RS-50M power supply (which is my main shack supply).

Oops.  Just remembered, I sold one of the Astron RS-35Ms to a friend of mine 
and I know it is working fine for him too.



73, phil, K7PEH



On May 6, 2012, at 7:07 AM, N3XX wrote:

> Unreliable???  I have been using the same VS-50M here for over 25 years.  It 
> presently powere my K3 and a few other things in the shack.  I leave it on 
> 24/7 unless there is a storm coming through.  Then everything is powered 
> down & disconnected.
> 
> 73,
> Tim - N3XX
> 
> - Original Message - 
> From: 
> To: 
> Sent: Sunday, May 06, 2012 9:12 AM
> Subject: [Elecraft] Power Supplies
> 
> 
>> Good Morning Ya’ll
>> 
>> This morning my Astron SS-30M (used regularly for 15 years) went south in 
>> a puff of smoke and voltage on the meter was fluctuating around 10VDC. No 
>> damage to the K3. WHEW! I pulled out my Astron VS-50M (haven’t used in 15 
>> years) and its voltage was also fluctuating a bit (maybe needs to reform 
>> caps?) (I’ll try it later on a ... should I say ... a radio I will not 
>> worry about too much ... or build a load for it). At a local swapfest last 
>> weekend a seller had several Astron power supplies that he was selling as 
>> parts units. He commented that they were unreliable.
>> 
>> That being said, what are the groups recommendations for a power supply?
>> 
>> 73, Mike WA5POK
>> __
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> 
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[Elecraft] Power supplies

[Bill Wiehe]

Mike,
I have used the Samlex SEC1235M supplies for several years with no issues. I 
know there have been some fellows who have said the fan noise is objectionable 
to them but I have never had the issue. In fact that fan rarely comes on with 
my K3 running 100 watts. 
Good luck.
Bill - W0BBI 
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Re: [Elecraft] No SubRX on 30M

[Guy Olinger K2AV]

Do a "hold" on RX ANT button to toggle between main and aux jack.  This is
a per band per mode setting, so you can have it set wrong on one band/mode
only.

73, Guy.

On Sun, May 6, 2012 at 8:23 AM, Robby.VY2SS  wrote:

> I don't believe I ever tried to run split on 30M before so I don't know if
> it
> was always this way or not.
> When I called the 7O on 30M I was suprised that I could not hear the pile
> up
> on the subRX. I can hear background noise in my right ear but when I see a
> signal on the P3 and tune the subRX to it I hear no signal. Hear it fine on
> the main RX. All other bands I use it works as it should. Checked the docs
> cannot see where it might be disabled.
>
> -Robby
> VY2SS
>
> --
> View this message in context:
> http://elecraft.365791.n2.nabble.com/No-SubRX-on-30M-tp7532226.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Power Supplies

[N3XX]

Unreliable???  I have been using the same VS-50M here for over 25 years.  It 
presently powere my K3 and a few other things in the shack.  I leave it on 
24/7 unless there is a storm coming through.  Then everything is powered 
down & disconnected.

73,
Tim - N3XX

- Original Message - 
From: 
To: 
Sent: Sunday, May 06, 2012 9:12 AM
Subject: [Elecraft] Power Supplies


> Good Morning Ya’ll
>
> This morning my Astron SS-30M (used regularly for 15 years) went south in 
> a puff of smoke and voltage on the meter was fluctuating around 10VDC. No 
> damage to the K3. WHEW! I pulled out my Astron VS-50M (haven’t used in 15 
> years) and its voltage was also fluctuating a bit (maybe needs to reform 
> caps?) (I’ll try it later on a ... should I say ... a radio I will not 
> worry about too much ... or build a load for it). At a local swapfest last 
> weekend a seller had several Astron power supplies that he was selling as 
> parts units. He commented that they were unreliable.
>
> That being said, what are the groups recommendations for a power supply?
>
> 73, Mike WA5POK
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Re: [Elecraft] Power Supplies

[Vic K2VCO]

This isn't an answer to the question, but a comment about Astron linear power 
supplies. I 
have twice seen a situation in which the screws that hold the circuit board to 
the 
capacitors work loose over time. The resultant heat can damage the board. It's 
a good idea 
to check that the screws are tight every few years.

Having said that, I've found these supplies quite reliable otherwise.

On 5/6/2012 6:12 AM, mikefur...@att.net wrote:
> Good Morning Ya’ll
>
> This morning my Astron SS-30M (used regularly for 15 years) went south in a 
> puff of
> smoke and voltage on the meter was fluctuating around 10VDC. No damage to the 
> K3. WHEW!
> I pulled out my Astron VS-50M (haven’t used in 15 years) and its voltage was 
> also
> fluctuating a bit (maybe needs to reform caps?) (I’ll try it later on a ... 
> should I
> say ... a radio I will not worry about too much ... or build a load for it). 
> At a local
> swapfest last weekend a seller had several Astron power supplies that he was 
> selling as
> parts units. He commented that they were unreliable.
>
> That being said, what are the groups recommendations for a power supply?
>
> 73, Mike WA5POK 
> __ Elecraft
> mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help:
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-- 
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco/
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Re: [Elecraft] No SubRX on 30M

[Matt Zilmer]

Check on how your sub's antenna is sourced.

matt W6NIA

On Sun, 06 May 2012 05:23:20 -0700 (PDT), you wrote:

>I don't believe I ever tried to run split on 30M before so I don't know if it
>was always this way or not.
>When I called the 7O on 30M I was suprised that I could not hear the pile up
>on the subRX. I can hear background noise in my right ear but when I see a
>signal on the P3 and tune the subRX to it I hear no signal. Hear it fine on
>the main RX. All other bands I use it works as it should. Checked the docs
>cannot see where it might be disabled.
>
>-Robby
>VY2SS
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[Elecraft] Power Supplies

[mikefurrey]

Good Morning Ya’ll

This morning my Astron SS-30M (used regularly for 15 years) went south in a 
puff of smoke and voltage on the meter was fluctuating around 10VDC. No damage 
to the K3. WHEW! I pulled out my Astron VS-50M (haven’t used in 15 years) and 
its voltage was also fluctuating a bit (maybe needs to reform caps?) (I’ll try 
it later on a ... should I say ... a radio I will not worry about too much ... 
or build a load for it). At a local swapfest last weekend a seller had several 
Astron power supplies that he was selling as parts units. He commented that 
they were unreliable. 

That being said, what are the groups recommendations for a power supply?

73, Mike WA5POK
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Re: [Elecraft] No SubRX on 30M

[Robby.VY2SS]

I was listening on my 6M beam on the sub on that band.

Get used to it guys. I'm getting older and I'm not giving up the K3.

73.

-Robby

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Re: [Elecraft] Using RX ANT OUT for a second receiver

[Ian White GM3SEK]

Pete Smith N4ZR wrote:
>Any reason not to use a magic-tee splitter between the RX ANT OUT and RX
>ANT IN ports on a K3 (no antenna tuner) to feed the received signals
>simultaneously to a second receiver? I want to be able to use my main
>antennas with my QS1R for Reverse Beacon functions. I realize that will
>cost 3+ db on each port, but that doesn't look like a show-stopper.
>

G4AON has been doing this for a long time, to feed his Perseus:

See , half-way down the page.


-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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Re: [Elecraft] Using RX ANT OUT for a second receiver

[Don Wilhelm]

Pete,

If the 3 dB does not bother you, then I would say "do it".

73,
Don W3FPR

On 5/6/2012 8:24 AM, Pete Smith N4ZR wrote:
> Any reason not to use a magic-tee splitter between the RX ANT OUT and RX
> ANT IN ports on a K3 (no antenna tuner) to feed the received signals
> simultaneously to a second receiver? I want to be able to use my main
> antennas with my QS1R for Reverse Beacon functions. I realize that will
> cost 3+ db on each port, but that doesn't look like a show-stopper.
>
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[Elecraft] Using RX ANT OUT for a second receiver

[Pete Smith N4ZR]

Any reason not to use a magic-tee splitter between the RX ANT OUT and RX 
ANT IN ports on a K3 (no antenna tuner) to feed the received signals 
simultaneously to a second receiver? I want to be able to use my main 
antennas with my QS1R for Reverse Beacon functions. I realize that will 
cost 3+ db on each port, but that doesn't look like a show-stopper.

-- 
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at 
reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000

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[Elecraft] No SubRX on 30M

[Robby.VY2SS]

I don't believe I ever tried to run split on 30M before so I don't know if it
was always this way or not.
When I called the 7O on 30M I was suprised that I could not hear the pile up
on the subRX. I can hear background noise in my right ear but when I see a
signal on the P3 and tune the subRX to it I hear no signal. Hear it fine on
the main RX. All other bands I use it works as it should. Checked the docs
cannot see where it might be disabled.

-Robby
VY2SS

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Re: [Elecraft] Amazing opening on 20 meters right now

[Fred Smith]

Doc:

I know where you are at a good day nets me 3-3 1/2 hrs of sleep a night then
up and into the shack. I'm waiting on my K2 so still using my IC-703 Plus
with W4RT duel filters it does a good job still waiting to compare the 2
radios. Finally made a QRP contact with 7O6T 5w on 17m 02:37 5/6/12 was very
pleased but had a 5x9x20 on him just luck.

73,

Fred/N0AZZ

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wilford D Lindsey
Sent: Sunday, May 06, 2012 4:36 AM
To: gold...@charter.net; elecraft-boun...@mailman.qth.net; Wayne Burdick
Cc: Elecraft; k...@yahoogroups.com; WD Lindsey K0EVZ
Subject: Re: [Elecraft] Amazing opening on 20 meters right now

Hey everybody:

I can verify an amazIng opening on *40 metres* early this AM @ 0500 mountain
time.when I worked HK1MW with only one watt into my trusty homebrew wire
vertical with 4 counterpoise wires.  He had to ask for several fills but
only becus of rude operators from EU who simply not stand by until he cud
make out the final "z" in my call.  But to his Korean doggedness, he kept
with it until we had a complete QSO.  

I was thrilled, as this was my very very first QSO with a KX1 (traded for,
but new to me, built a year ago).  I ckecked the power out later wid an OHR
WM-2. 

Thanks for letting me share this small vIctory, important when pain prevents
sleep and I spend 24 hours a day "living" in this old wheelchair (!).
Thanks to all the folks at Elecraft as always fer producing such a great rig
as the KX1.  It's simply fabulous, IMHO.

73,
Doc/K0EVZ

Sent from my Verizon Wireless BlackBerry

-Original Message-
From: gold...@charter.net
Sender: elecraft-boun...@mailman.qth.net
Date: Sat, 5 May 2012 07:40:28
To: Wayne Burdick
Cc: Elecraft Reflector; 
Subject: Re: [Elecraft] Amazing opening on 20 meters right now

I knew I should have stayed up all night making contacts.

At 10:30 PM EST 20m was open in MI, my problem was that I did not have any
energy it was a long week at work. :-(

~73
Don
KD8NNU


On Sat, May 5, 2012 at 12:52 AM, Wayne Burdick wrote:

> In northern California I'm hearing dozens of very strong EU stations 
> on 20 meter SSB. Wow.
>
> Wayne
> N6KR
>
> __
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-
No virus found in this message.
Checked by AVG - www.avg.com
Version: 2012.0.1913 / Virus Database: 2425/4980 - Release Date: 05/05/12

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Re: [Elecraft] Amazing opening on 20 meters right now

[Wilford D Lindsey]

Hey everybody:

I can verify an amazIng opening on *40 metres* early this AM @ 0500 mountain 
time.when I worked HK1MW with only one watt into my trusty homebrew wire 
vertical with 4 counterpoise wires.  He had to ask for several fills but only 
becus of rude operators from EU who simply not stand by until he cud make out 
the final "z" in my call.  But to his Korean doggedness, he kept with it until 
we had a complete QSO.  

I was thrilled, as this was my very very first QSO with a KX1 (traded for, but 
new to me, built a year ago).  I ckecked the power out later wid an OHR WM-2. 

Thanks for letting me share this small vIctory, important when pain prevents 
sleep and I spend 24 hours a day "living" in this old wheelchair (!).  Thanks 
to all the folks at Elecraft as always fer producing such a great rig as the 
KX1.  It's simply fabulous, IMHO.

73,
Doc/K0EVZ

Sent from my Verizon Wireless BlackBerry

-Original Message-
From: gold...@charter.net
Sender: elecraft-boun...@mailman.qth.net
Date: Sat, 5 May 2012 07:40:28 
To: Wayne Burdick
Cc: Elecraft Reflector; 
Subject: Re: [Elecraft] Amazing opening on 20 meters right now

I knew I should have stayed up all night making contacts.

At 10:30 PM EST 20m was open in MI, my problem was that I did not have 
any energy it was a long week at work. :-(

~73
Don
KD8NNU


On Sat, May 5, 2012 at 12:52 AM, Wayne Burdick wrote:

> In northern California I'm hearing dozens of very strong EU stations 
> on 20 meter SSB. Wow.
>
> Wayne
> N6KR
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> This list hosted by: http://www.qsl.net
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[Elecraft] Interesting article for understanding radio designs

[Edward R. Cole]

  
http://www.edn.com/article/521690-High_performance_HF_transceiver_design_A_ham_s_perspective.php

Thanks to Rein W6SZ who brought this link to the Linrad reflector.


73, Ed - KL7UW, WD2XSH/45
==
BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
EME: 50-1.1kw?, 144-1.4kw, 432-QRT, 1296-?, 3400-?
DUBUS Magazine USA Rep dubus...@gmail.com
"Kits made by KL7UW" http://www.kl7uw.com/kits.htm
==
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