Re: [Elecraft] N1MM+ & K3/K3s & Diversity

[Al Lorona]

That is purely an N1MM problem, Gary. The same thing happened to me a few 
times. It was annoying. I bet I could tell you exactly what button pushes 
caused it to do that, but I'd have to go think about it some.

By the way, the 3 dB loss at that frequency that you incur from the diversity 
receive setup is totally inconsequential. You do not give up any sensitivity 
whatsoever. In fact, it's probably desirable to have the ATT on all the time on 
160 anyway, in addition to any splitter loss. See a previous post I made 
concerning this very question: 
http://elecraft.365791.n2.nabble.com/When-do-I-need-atten-or-preamp-td7616174.html#a7616249
 

R,

Al W6LX




From: Gary Smith 
To: elecraft@mailman.qth.net 
Sent: Sunday, December 3, 2017 9:10 PM
Subject: [Elecraft] N1MM+ & K3/K3s & Diversity



I worked the ARRL 160 this last weekend, 

ran QRP. I had a couple technical problems 

that came up, one relates to the K3s. I'm 

asking here first if someone has  

experienced this.


I prefer running the K3s in Diversity in 

the contests. I find it is more helpful to 

take the -3 dB loss (or whatever it is) 

when using diversity than to hear louder 

when only using the one Rx. Diversity 

helps in the tough times to allow me to 

hear almost undecipherable details when 

the band condition collapses.


During the contest the K3s would slip out 

of diversity and leave the Rx at a 

previous point and I would also hear the 

VFO A frequency. It got confusing when 

this happened and no, I didn't bump the 

diversity button accidentally. I was using 

the Marker A & encoder on the P3 to 

navigate me through the signals, not the 

VFO A knob.


I never saw it happening, it would be a 

discovery when I would hearing a call I'd 

worked earlier while onto a new station to 

listen to and I'd see the diversity light 

was not flashing but the sub RX was still 

engaged. I never looked to see if it was 

the last station I worked or back farther.


The one possible time I might have noticed 

something happening was when I heard the 

the effect of listening to the VFO B knob 

turning on the crowded band while 

listening to a fixed signal on VFO A. I 

noticed the effect, looked at the K3s and 

sure enough the diversity had somehow 

unlocked. (What I have no idea of is if 

that sound was someone QSYing or my radio 

QSYing) This happened 5-6 times in the 

contest. It never has happened before that 

I remember.


Also using Win4K3Suite (good program) & 

K1EL's USB winkey at the same time with 

N1MM.


Any idea what might be happening and how 

to prevent it from doing this again?


Thanks & 73,


Gary

KA1J

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[Elecraft] N1MM+ & K3/K3s & Diversity

[Gary Smith]

I worked the ARRL 160 this last weekend, 
ran QRP. I had a couple technical problems 
that came up, one relates to the K3s. I'm 
asking here first if someone has  
experienced this.

I prefer running the K3s in Diversity in 
the contests. I find it is more helpful to 
take the -3 dB loss (or whatever it is) 
when using diversity than to hear louder 
when only using the one Rx. Diversity 
helps in the tough times to allow me to 
hear almost undecipherable details when 
the band condition collapses.

During the contest the K3s would slip out 
of diversity and leave the Rx at a 
previous point and I would also hear the 
VFO A frequency. It got confusing when 
this happened and no, I didn't bump the 
diversity button accidentally. I was using 
the Marker A & encoder on the P3 to 
navigate me through the signals, not the 
VFO A knob.

I never saw it happening, it would be a 
discovery when I would hearing a call I'd 
worked earlier while onto a new station to 
listen to and I'd see the diversity light 
was not flashing but the sub RX was still 
engaged. I never looked to see if it was 
the last station I worked or back farther.

The one possible time I might have noticed 
something happening was when I heard the 
the effect of listening to the VFO B knob 
turning on the crowded band while 
listening to a fixed signal on VFO A. I 
noticed the effect, looked at the K3s and 
sure enough the diversity had somehow 
unlocked. (What I have no idea of is if 
that sound was someone QSYing or my radio 
QSYing) This happened 5-6 times in the 
contest. It never has happened before that 
I remember.

Also using Win4K3Suite (good program) & 
K1EL's USB winkey at the same time with 
N1MM.

Any idea what might be happening and how 
to prevent it from doing this again?

Thanks & 73,

Gary
KA1J
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[Elecraft] K2 Internal Battery Question

[Tom McCulloch]

I have a K2 with the internal battery option which I trickle charge with 
an A Engineering smart charger. I've installed the Smart Charger 
according the method suggested by Don, W3FPR on his web site.


I've had this arrangement for several years and the battery has charged 
faithfully and I have been served well by the charger. However, now I am 
noticing that the two lights on the front of the Smart Charger remain 
on. all of the time.  the green LED is labeled "Charging" and the red is 
"Final Charge" . The K2 meter is showing about 13.4 volts when during 
this time.


Am I to assume that the battery itself is faulty and needs to be 
replaced (it has been in light service for a good number of years...but 
connected to the charger the entire time or is the it possible that 
charger has developed a problem?



Any thoughts on this would be very much appreciated.

Thanks

Tom, WB2QDG

K2# 1103

 


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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Wes Stewart]

Another typo:  The TX antenna on receive...

On 12/3/2017 1:53 PM, Wes Stewart wrote:


Even using the RX antenna on receive I hear better than I get out.  I need to 
QRO. 


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Re: [Elecraft] K3S New Builder (Tom NB5Q)

[Ian]

Hi Tom,

See http://n8ik.net/kitbuilding.php for the build sequence for my K3S.

73, Ian N8IK


On Fri, Dec 1, 2017 at 11:11 PM, Tom Norris  wrote:

> My first post, new builder, old man (74 years young!). I've been inactive
> for some time but looking forward to getting back on CW with the new K3S,
> P3 kits. I'm sure I will be back here for your valued and experienced
> assistance during the build and setup. I have searched for and read a lot
> of the posts on the list pertaining to assembling Elecraft kits. Thank you
> and I hope to use a lot of the information in those posts. If you have any
> up front advice in the assembly or setup of the following parts, I hope you
> will share it with me.
>
> K3S 100W Xcvr. Kit ; P3-K Panadapter Kit; External Speaker; The Elecraft
> K3S and P3 by Fred Cady; K3S ATU; K3S Gen. Cov. RX Module; KFL3C-400; 2.8
> for 2.7 kHz swap; KFL3B-FM; P3 Video/FFT Adapt.; P3 TX Monitor Adapt;
> 1.8-54
> MHz 200W; incl. P3TXMON
>
> Thanks a lot,
> Tom Norris NB5Q New Mexico
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Re: [Elecraft] Yahoo Elecraft KX User Group

[Jim Rhodes]

Anything that includes the word "Yahoo" is an error message.


Jim Rhodes
K0XU

On Dec 3, 2017 16:28, "Howard Hoyt"  wrote:

> Jim,
>
> We are not having any problems with the Yahoo KX3 group, are you sure you
> are attempting to log in with the correct email address/Yahoo account?  I
> have several Yahoo accounts and I have to log out and back in with the
> correct one to access a different Yahoo group.
>
> Send me an email if you continue to have issues.
>
> Cheers && 73,
>
> Howie - WA4PSC
> Yahoo Elecraft KX Group moderator
>
>
>
> Is there something wrong with the KX3 group from
> Yahoo? I haven't recieved a digest in days and when I try to get into
> the group I get an error message Thanks,Jim W7JHR
>
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[Elecraft] Elecraft CW Net Report

[kevinr]

Good Evening,

    Conditions were not good.  Double plus ungood in fact.  But I was 
skunked on neither band.  That counts as a win :)  I was pushed off the 
initial net frequency in each case.



On 14050.5 kHz at 2300z:

W0CZ - Ken - ND

N5NF - Watt - TX


On 7045.5 kHz at 0100z:

K0DTJ - Brian - CA


At one point on twenty meters I was chasing an ESP K1J? station but QSB 
was deep.  Deep on both bands.  On twenty there was a slow up and down 
signal overlain by a fast flutter.  Forty meters had only the slow QSB 
but plenty of noise did not help.


Maybe the sun will arise from its slumber and hit us with a decent CME 
late in the week.


   73,

   Kevin.  KD5ONS

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Re: [Elecraft] Antenna Analyzer (FA-VA4)

[Jim Brown]

Simple. Connect the analyzer output to one antenna, the input to the 
other.  Set the sweep range for that where you want to look at antenna 
coupling (usually one band for which the antennas are used). Make a 
sweep and tell the analyzer software to display S21 in dB.  S21 is the 
gain of a device or network.


73, Jim

On 12/3/2017 1:16 PM, Dick Green wrote:

Jim wrote:


Note also that this is a vector NETWORK analyzer. A NETWORK analyzer has input 
and output ports, so that in addition to impedance and TDR, it can also measure 
the response of any system. You can, for example, measure the effectiveness of 
filters, and the coupling between adjacent antennas.

Jim, for those of us who haven’t used a network analyzer, how do you use one to 
measure coupling between antennas?

73, Dick WC1M




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Re: [Elecraft] K2 Internal battery question

[Don Wilhelm]

Tom,

The life of an SLA battery is normally 3 to 5 years.
You can save the cost of shipping from Elecraft if you have a Batteries 
plus Bulbs store in your area.
The may not have the 2.9AH battery in stock (but they will order it), or 
you can use the 2.3AH battery which has the same form factor.


73,
Don W3FPR

On 12/3/2017 5:16 PM, Tom McCulloch wrote:
I have a K2 with the internal battery option which I trickle charge with 
an A Engineering smart charger. I've installed the Smart Charger 
according the method suggested by Don, W3FPR on his web site.


I've had this arrangement for several years and the battery has charged 
faithfully and I have been served well by the charger. However, now I am 
noticing that the two lights on the front of the Smart Charger remain 
on. all of the time.  the green LED is labeled "Charging" and the red is 
"Final Charge" .


Am I to assume that the battery itself is faulty and needs to be 
replaced 

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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Al Lorona]

You were quite loud here. You should have been calling CQ.

Al  W6LX








Even using the RX antenna on receive I hear better than I get out.  I need to 
QRO.

Wes  N7WS
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[Elecraft] Yahoo Elecraft KX User Group

[Howard Hoyt]

Jim,

We are not having any problems with the Yahoo KX3 group, are you sure 
you are attempting to log in with the correct email address/Yahoo 
account?  I have several Yahoo accounts and I have to log out and back 
in with the correct one to access a different Yahoo group.


Send me an email if you continue to have issues.

Cheers && 73,

Howie - WA4PSC
Yahoo Elecraft KX Group moderator



Is there something wrong with the KX3 group from
Yahoo? I haven't recieved a digest in days and when I try to get into
the group I get an error message Thanks,Jim W7JHR

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[Elecraft] K2 Internal battery question

[Tom McCulloch]

I have a K2 with the internal battery option which I trickle charge with 
an A Engineering smart charger. I've installed the Smart Charger 
according the method suggested by Don, W3FPR on his web site.


I've had this arrangement for several years and the battery has charged 
faithfully and I have been served well by the charger. However, now I am 
noticing that the two lights on the front of the Smart Charger remain 
on. all of the time.  the green LED is labeled "Charging" and the red is 
"Final Charge" .


Am I to assume that the battery itself is faulty and needs to be 
replaced (it has been in light service for a good number of years...but 
connected to the charger the entire time or is the it possible that 
charger has developed a problem?



Any thoughts on this would be very much appreciatued.

Thanks

Tom, WB2QDG

K2# 1103

 


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[Elecraft] FM mode on KX2 ready to test on 10 meters and with transverters

[Wayne Burdick]

I have field-test firmware ready for those interested in trying FM mode on the 
KX2. On 10 meters, FM is useful for both repeaters and simplex FM QRP DXing. 
For external transverter use, there are programmable band displays (up to 7), 
as well as a keying output.

The implementation includes PL tone encode (TX), programmable repeater offsets, 
and control of both overall deviation and PL tone deviation. FM mode can be 
turned off in the menu if it’s not needed.

If you’d like to test the new release (rev. 2.87), let me know.

73,
Wayne
N6KR


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Re: [Elecraft] Antenna Analyzer (FA-VA4)

[Wes Stewart]

In this case think of the network analyzer as a transmitter with a receiver 
tuned to the same frequency.  Before testing you connect the two together and 
normalize the receiver response to unity at each test frequency. Now connect the 
transmitter port to one antenna and the receive port to the other antenna.  The 
response will be some fraction of unity, which can be presented as % 
transmitted, or more often in dB.


Wes  N7WS



On 12/3/2017 2:16 PM, Dick Green wrote:

Jim wrote:


Note also that this is a vector NETWORK analyzer. A NETWORK analyzer has input 
and output ports, so that in addition to impedance and TDR, it can also measure 
the response of any system. You can, for example, measure the effectiveness of 
filters, and the coupling between adjacent antennas.

Jim, for those of us who haven’t used a network analyzer, how do you use one to 
measure coupling between antennas?

73, Dick WC1M



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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Richard S. Leary]

Hi Wayne et all,
I'm on 28082 and it's an all WA contest so far. You want to move up from 
14082?? Dead band around here also. Have 3 WA contacts with the K3 at 98.2 W.
Have fun.
73, Rick, W7LKG

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Sunday, December 3, 2017 11:23
To: Elecraft Reflector 
Subject: [Elecraft] 10 m RTTY contest still going on; three CA stations calling 
CQ

The band sounds dead but dxmaps.com shows some F2 activity as well as 
sporadic-E. There are three of us clustered around 14082 hoping we re not doing 
an all-CA contest

73,
Wayne
N6KR

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Re: [Elecraft] Antenna Analyzer (FA-VA4)

[ab2tc]

Hi,

That ought to be fairly straightforward. Connect one antenna to the the
output port of the analyzer and the other antenna to the input port. Then
set the sweep for the frequency range you want to test.

AB2TC - Knut


wc1m wrote
> Jim wrote:
> 
>> Note also that this is a vector NETWORK analyzer. A NETWORK analyzer has
>> input and output ports, so that in addition to impedance and TDR, it can
>> also measure the response of any system. You can, for example, measure
>> the effectiveness of filters, and the coupling between adjacent antennas.
> 
> Jim, for those of us who haven’t used a network analyzer, how do you use
> one to measure coupling between antennas?
> 
> 73, Dick WC1M
> 
> 
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Re: [Elecraft] Antenna Analyzer (FA-VA4)

[Dick Green]

Jim wrote:

> Note also that this is a vector NETWORK analyzer. A NETWORK analyzer has 
> input and output ports, so that in addition to impedance and TDR, it can also 
> measure the response of any system. You can, for example, measure the 
> effectiveness of filters, and the coupling between adjacent antennas.

Jim, for those of us who haven’t used a network analyzer, how do you use one to 
measure coupling between antennas?

73, Dick WC1M


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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Wes Stewart]

Let me try this again, I tried to correct a typo and hit send instead.

With 500W and an inverted-L with a too sparse radial field I managed to work two 
EUs, F and EA, new ones for me on 160. I heard OH and SM too but getting past 
the "gentlemen" on the east coast isn't in the cards.  I worked a couple of JAs 
too, but nothing like my friend N7DD, who was running them.  He was hearing some 
that weren't even there for me.


I'm not a contest op but a DXer and pretty much hope that some DX will operate 
in the contests, but they're looking for points and not especially interested in 
digging out weak (but workable) stations..


Even using the RX antenna on receive I hear better than I get out.  I need to 
QRO.

Wes  N7WS

On 12/3/2017 12:51 PM, Jim Brown wrote:

On 12/3/2017 4:21 AM, Mike VE3YF wrote:
Maybe just me, but I have yet to hear or see HI, again they elude me on 160CW 


With 1500W and very good antennas, I worked one KH6, one VK, 3 RA0, 19 JA, and 
nothing else anywhere in AS or OC. Thanks to contest scoring rules, 
participants can only work W/VE stations, and the band is open from these 
locations to W/VE for brief periods of mutual darkness, peaking around 
sunrise/sunset at either end. While CQing, I was spotted several times in ZL 
and VK, but only those responses. ARRL 160 is mainly for the east coast of the 
US and Canada to work EU and the Caribbean, and most of those stations QRT 
after EU sunrise. A few of the biggest ones stay around to try to work JA.


73, Jim K9YC 


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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Wes Stewart]

With 500W and an inverted-L with a too sparce On 12/3/2017 12:51 PM, Jim Brown 
wrote:

On 12/3/2017 4:21 AM, Mike VE3YF wrote:
Maybe just me, but I have yet to hear or see HI, again they elude me on 160CW 


With 1500W and very good antennas, I worked one KH6, one VK, 3 RA0, 19 JA, and 
nothing else anywhere in AS or OC. Thanks to contest scoring rules, 
participants can only work W/VE stations, and the band is open from these 
locations to W/VE for brief periods of mutual darkness, peaking around 
sunrise/sunset at either end. While CQing, I was spotted several times in ZL 
and VK, but only those responses. ARRL 160 is mainly for the east coast of the 
US and Canada to work EU and the Caribbean, and most of those stations QRT 
after EU sunrise. A few of the biggest ones stay around to try to work JA.


73, Jim K9YC


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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Glenn Anderson]

Nothing but channel Z down here. 
WB5TUF 
 Original message From: Wes Stewart  
Date: 12/3/17  14:05  (GMT-06:00) To: elecraft@mailman.qth.net Subject: Re: 
[Elecraft] 10 m RTTY contest still going on;
  three CA stations calling CQ 
If ND2T is one of you he has to listen too.

N7WS


On 12/3/2017 12:26 PM, Wayne Burdick wrote:
> Make that 28082!
>
> Wayne
>
>
>> On Dec 3, 2017, at 11:23 AM, Wayne Burdick  wrote:
>>
>> The band sounds dead but dxmaps.com shows some F2 activity as well as 
>> sporadic-E. There are three of us clustered around 14082 hoping we’re not 
>> doing an all-CA contest
>>
>> 73,
>> Wayne
>> N6KR
>>

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[Elecraft] K1 Sold

[Ken Alexander]

Thanks for your interest everyone, the K1 I have was sold earlier today.
Thanks and 73,
KenVE3HLS
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Re: [Elecraft] Fan noise on FT8?

[Jim Brown]

On 12/3/2017 6:15 AM, Peter Drexel via Elecraft wrote:

The mike is disconnected.


If the noise is the noise is like what you hear in the room and the 
computer is a laptop, could be the computer's built-in mic. :) Check 
Windows settings.


73, Jim K9YC

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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Wes Stewart]

If ND2T is one of you he has to listen too.

N7WS


On 12/3/2017 12:26 PM, Wayne Burdick wrote:

Make that 28082!

Wayne



On Dec 3, 2017, at 11:23 AM, Wayne Burdick  wrote:

The band sounds dead but dxmaps.com shows some F2 activity as well as 
sporadic-E. There are three of us clustered around 14082 hoping we’re not doing 
an all-CA contest

73,
Wayne
N6KR



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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Jim Brown]

On 12/3/2017 4:21 AM, Mike VE3YF wrote:
Maybe just me, but I have yet to hear or see HI, again they elude me 
on 160CW 


With 1500W and very good antennas, I worked one KH6, one VK, 3 RA0, 19 
JA, and nothing else anywhere in AS or OC. Thanks to contest scoring 
rules, participants can only work W/VE stations, and the band is open 
from these locations to W/VE for brief periods of mutual darkness, 
peaking around sunrise/sunset at either end. While CQing, I was spotted 
several times in ZL and VK, but only those responses. ARRL 160 is mainly 
for the east coast of the US and Canada to work EU and the Caribbean, 
and most of those stations QRT after EU sunrise. A few of the biggest 
ones stay around to try to work JA.


73, Jim K9YC


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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Glenn Anderson]

It's pretty quiet down here in Texas...I'm calling on 28081 but only working 
locals.
Glenn WB5TUF 
 Original message From: Wayne Burdick  Date: 
12/3/17  13:23  (GMT-06:00) To: Elecraft Reflector  
Subject: [Elecraft] 10 m RTTY contest still going on;
three CA stations calling CQ 
The band sounds dead but dxmaps.com shows some F2 activity as well as 
sporadic-E. There are three of us clustered around 14082 hoping we’re not doing 
an all-CA contest

73,
Wayne
N6KR

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Re: [Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Wayne Burdick]

Make that 28082!

Wayne


> On Dec 3, 2017, at 11:23 AM, Wayne Burdick  wrote:
> 
> The band sounds dead but dxmaps.com shows some F2 activity as well as 
> sporadic-E. There are three of us clustered around 14082 hoping we’re not 
> doing an all-CA contest
> 
> 73,
> Wayne
> N6KR
> 

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[Elecraft] 10 m RTTY contest still going on; three CA stations calling CQ....

[Wayne Burdick]

The band sounds dead but dxmaps.com shows some F2 activity as well as 
sporadic-E. There are three of us clustered around 14082 hoping we’re not doing 
an all-CA contest

73,
Wayne
N6KR

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Re: [Elecraft] Fan noise on FT8?

[Don Wilhelm]

Peter,

Contact Elecraft  support.  I believe they have a Fan filter cap mod.

73,
Don W3FPR

On 12/1/2017 3:42 PM, Peter Drexel via Elecraft wrote:

It seems that, when the fan starts on my K3, a series of vertical lines appears 
on the WSJT Wide Graph.  Every 60Hz would be kind of obvious.  What's causing 
that?  What can I do about it?  (other than keeping the power low enough - 8 
watts or less - to keep the fan from kicking in)

73  de Peter, AE1TK3 # 3701
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Re: [Elecraft] [K2] KPA100 Temp Cal: Room temp or radio temp?

[Don Wilhelm]

Bj,

You can look at the fan addition designed by N0SS Tom Hammond (SK) at 
http://www.mmccs.com/mmarc/n0ss/index_k2.html.

Scroll down the page to see the fan assembly on top of his K2/100.

73,
Don W3FPR

On 12/3/2017 9:31 AM, Bj Rollison wrote:

Hi John,

I am waiting for my K2/100 kit to arrive and start my project as a Christmas
present to myself. I operate a few times a year in Vietnam under conditions
similar to those you describe. My main QTH is air conditioned, but I also
plan to operate from beach locations and some other areas that are not.

This past year I used a K2/10 and an RM Italy HLA 305V amp which has
external cooling fans without a problem.

But now I plan to upgrade my remote 'shack' with the K2/100, my questions
are...

Would removing the internal speaker and reversing the fan that comes with
the K2/100 so it pulls air through the speaker grill and expels it out the
back provide a similar solution to the one you proposed? Is it possible to
do that?


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Re: [Elecraft] [K2] KIO2 Aux I/O Module Rev B vs. Rev. C

[Don Wilhelm]

Bj,

As far as I know, there have been no changes in the KIO2 since its first 
production - and certainly there have been no functional changes.


Where did you see the "rev C" - was it on the board?  Or is it only on 
the instructions?
The Rev designation for the boards does not track the Rev designation 
for the manuals.  Manuals are updated when a part number or part 
description needs to be modified.  The only difference I can see between 
the KIO2 Rev B manual and the Rev C manual is that the length of the 4 
conductor cable supplied in the parts list is 15 feet instead of the 
previous 10 feet.


As a more extreme example, current K2s use the B level boards, but the 
K2 manual is a revision I.


73,
Don W3FPR

On 12/3/2017 11:21 AM, Bj Rollison wrote:

I purchased a used K2 (S.N. 01215) with a KIO2 rev. B. This K2 also had the
Revision B K2ATOBKT installed.

What is the difference between the KIO2 Rev. B and Rev C, and should I
consider upgrading this to Rev. C?


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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Tom Parish]

Yep had a blast this weekend with 160! It was very busy.
Tom KB5RF

On Sat, Dec 2, 2017 at 7:08 PM, Wayne Burdick  wrote:

> The ARRL 160 m contest is in full swing. See:
>
>http://www.arrl.org/160-meter
>
> Sounds like Field Day on the band right now, at least in the CW segment.
> Give it a listen.
>
> 73,
> Wayne
> N6KR
>
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[Elecraft] [K2] KIO2 Aux I/O Module Rev B vs. Rev. C

[Bj Rollison]

I purchased a used K2 (S.N. 01215) with a KIO2 rev. B. This K2 also had the
Revision B K2ATOBKT installed.

What is the difference between the KIO2 Rev. B and Rev C, and should I
consider upgrading this to Rev. C?



-
Thanks
   Bj 
WA7WJR
XV9WJR
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Re: [Elecraft] KX3-2M SMA connector issue

[Mike Parkes]

James,
I ended up pulling out the 2 meter board and the tuner board (that was
about all it takes to get back to the SMA connector) and really tightened
the inside screw down a lot more torque than I did the first time. I think
I was over cautious when I first assembled the SMA connector. Sure didn't
want to start gouging out the opening in the case! So it has been fine
since then, however I have been a little more carful when moving the KX3
around with the sma right angle and the whip 2m/440 antenna. I think having
a right angle connector there is a little futzy. I have used the radio like
a handheld and just attached the whip antenna to the sma direct (wo the
right angle adapter) and that works fine. It is actually fun! The heaviest
biggest 2 meter ht I ever used since my first HT a Motorola brick lol/
Kinda makes me wish I had gone with the KX2 as It has a built in Mic which
is cool. But I love my KX3. I did design a little attachment that bolts to
the case and that works, but it is rinky dink. but it does make sure the
antenna is supported up from the base so that there is no way it can flop
over then. I will send a pic of that to you and the group if anyone wants
to see it.
Sri it took me a while to get back to you! I need to get my list
subscription back to individual emails, have not been able to keep up with
replies as easy when it is digest form. So Thank You! To anyone else who
replied on this issue (which isn't really an issue just a matter of making
sure the SMA connector is mounted securely).

I did notice that as I tightened it down snug that there was no evidence
that the outside flange (the flange/nut that Elecraft somehow made sure
would turn around the threads, don't ask me how they did that!) Anyway it
seems that the lock washers bite in pretty well and prevents the connector
from turning in the opening. The other option is to look for a beefier lock
washer... not sure if one of those split ring type lock washers would give
more tension? Anyway... I am shopping for some kind of external 2 meter
antenna now, so probably won't be using the whip antenna that much
eventually. Could make a j-pole. I am below ground here so it is a
challenge to get a good signal out on 2 meters. Anyway. thanks again.
probably told you way more than you wanted to read hihi.

73 Merry Christmas to you James~! hope you have a great holiday season. I
plan on Santa bringing me all kinds of ham test equipment. Signal
Generator, Freq counters antennas analyzers you name it.
Mike AB7RU

On Mon, Nov 27, 2017 at 9:01 AM, James Austin  wrote:

> Hi Mike,
>
> Did you get any useful off list replies to this question? I've had the
> same problem.
>
> Jim/KA2RVO
>
> On Sun, Nov 19, 2017 at 9:49 PM, Mike Parkes  wrote:
>
>> I ordered the *KX3*-*2M for the KX3 and installed it yesterday, seems to
>> be
>> working great. However... now I have an issue with the SMA connector
>> coming
>> loose one me after only a few times placing the Elecraft 2m/440 whip
>> antenna on and off.*
>>
>> *I was pretty careful to make sure the SMA antenna connector was mounted
>> securely. The instructions warned about overtightening. So I tightened it
>> down as much as seemed right. With lock washer compressed, I would have
>> thought it would be fine. Apparently not. *
>>
>> *So now I have to break the thing back down to get to the antenna mount
>> and
>> retighten. Anyone else have issues with this and how did you resolve? I
>> almost wonder if some locktite would help?*
>>
>> *Thanks! Mike AB7RU*
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>>
>
>
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Re: [Elecraft] [K2] KPA100 Temp Cal: Room temp or radio temp?

[Bj Rollison]

Hi John, 

I am waiting for my K2/100 kit to arrive and start my project as a Christmas
present to myself. I operate a few times a year in Vietnam under conditions
similar to those you describe. My main QTH is air conditioned, but I also
plan to operate from beach locations and some other areas that are not. 

This past year I used a K2/10 and an RM Italy HLA 305V amp which has
external cooling fans without a problem.

But now I plan to upgrade my remote 'shack' with the K2/100, my questions
are...

Would removing the internal speaker and reversing the fan that comes with
the K2/100 so it pulls air through the speaker grill and expels it out the
back provide a similar solution to the one you proposed? Is it possible to
do that?

Did you consider mounting a 4" cooling fan on top of the K2/100 heat sink
that would draw air across and away from the cooling fins? (The RM Italy amp
uses 2 - 4" fans and I never had a heat or noise issue).

Thanks and 73
BJ
WA7WJR
XV9WJR




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Re: [Elecraft] Fan noise on FT8?

[Peter Drexel via Elecraft]

Hi Joe,
The mike is disconnected.  
Peter, AE1T
 

On Friday, December 1, 2017, 10:16:43 PM EST, Joe Lynch 
 wrote:  
 
 Dear Peter,
Maybe your mic is picking up the fan noise and transmitting it over the air. 
Try disconnecting your mic and see what happens.
Sincerely,
Joe Lynch, N6CL 

On Friday, December 1, 2017 3:44 PM, Peter Drexel via Elecraft 
 wrote:
 

 It seems that, when the fan starts on my K3, a series of vertical lines 
appears on the WSJT Wide Graph.  Every 60Hz would be kind of obvious.  What's 
causing that?  What can I do about it?  (other than keeping the power low 
enough - 8 watts or less - to keep the fan from kicking in)

73  de Peter, AE1TK3 # 3701
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Re: [Elecraft] AUX port gender on KPA1500 different than KPA500

[Dick Dievendorff]

Dan: 

The initial prototypes used for photos did have a male DE-15.  That was
changed in a subsequent prototype revision.  The KPA1500 prototype here has
a male DE-15 AUX connector, just like my KPA500.

The K3/K3S to KPA1500 15-pin ACC cable is the same as the cable for KPA500.

The KPAK3AUX cable set includes a Y cable expansion adapter and a TX keying
line interrupter (see KPAK3AUX in the KPA1500 section of our product list),
or the 15-pin cable can be ordered separately without the Y and TX key line
interrupter, see the KAT500 section of our order page, P/N E850463.

73 de Dick, K6KR


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dan AE9K
Sent: Saturday, December 2, 2017 20:26
To: elecraft@mailman.qth.net
Subject: [Elecraft] AUX port gender on KPA1500 different than KPA500

The picture of back of the RF deck on the KPA1500 FAQ shows a female DE-15
for the AUX port.  The KPA500 has a male DE-15 AUX port.  Is the port in the
picture correct or just a pre-production mock-up with the wrong gender?  

I ask because I'm inserting a switch box and am making the associated cables
to be able to flip back and forth between the two amps (when the KPA1500
arrives).

Dan
AE9K




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Re: [Elecraft] 160 meter contest also going on -- LOTS of activity

[Mike VE3YF]

Wayne:

Maybe just me, but I have yet to hear or see HI, again they elude me on 
160CW


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*VE3YF

_/http://www.ve3yf.com/_*

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Re: [Elecraft] K3 PRE function question

[David Ferrington, M0XDF]

My God - if we had a lake, it would be ~ 1/8 acre per property, if you were 
lucky - 3-5 people per property.

I live in a medium sized town 30 miles from the centre of London, population ~ 
250,000 in < 70 sq-mi :-(

73 de David, M0XDF (K3 #174, P3 #108)
-- 
I really hate this damn machine, I wish that they would sell it.
It never does just what I want, but only what I tell it!

> On 3 Dec 2017, at 06:53, Edward R Cole  wrote:
> 
> Doug,
> 
> I checked 20m about 5pm and noted S3 noise but also that I had the PRE turned 
> on.  With preamp off 20m noise is running S2.  But both 40m and 80m see S6 
> noise on my inverted-V hung on the tower under the triband yagi.  This high 
> for usual on these bands for here (yes, PRE is off).
> 
> I looked up your location which is in the mountains near Steamboat in 
> northern CO.  2000 pop/480 sq miles = 4 people per sq-mi which is way less 
> density from where I live.  4,200 in a 16x 10 mile strip along the western 
> shore of the Kenai Peninsula.  Density = 4200/160 = 26 people per sq-mi.  But 
> that is not accurate for my nearby density around a lake with average 
> property size of 2-3 acres and 2.5 persons per property.  Probably 200-300 
> within a mile.  All have wireless devices and consumer electronics galore.  
> Many are line of sight across the lake.  I do have buired utilities in the 
> near 1/4 mile but overhead wired beyond that.  Internet is phone line DSL and 
> TV by satellite.
> 
> Also we have a refinery, LNG plant, and local gas-trubine generation station 
> 2-miles to the west.  12 miles south is a city with 7500 people in typical 
> city density and many stores and businesses (lots of digital cash registers). 
>  Another city of 7500 lies another 11 miles south to the first so in 30-mile 
> radius we have a pop of about 30,000.
> 

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