Re: [Elecraft] Griffin iMic to K3 Cords

2011-03-01 Thread Ed Muns 
Dave, KJ6CBS, asked:
> Can anybody tell what audio cords I need to hook my K3 to my 
> Mac Mini using a Griffin iMic USB Sound Card?  Also, where 
> can I get the cords?

1/8" stereo male-male phone cable available at Radio Shack in 1', 3', 6' and
12' lengths.

Ed - W0YK

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[Elecraft] Computer question - OT

2011-03-01 Thread Phillip Shepard 
My old Dell desktop is not cutting it anymore, and I'm going to replace it.
This will not be the shack computer - I will use it in an office for general
use as well as photo image processing duties.  I see that Costco has very
attractive prices for the seemingly high level of performance in a line of
desktops by ZT Affinity computers.  Does anyone here have any experience
with these machines?  You can answer off line if you wish.  Thank you.

73,

Phil, NS7P

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[Elecraft] Griffin iMic to K3 Cords

2011-03-01 Thread David Guernsey 
Can anybody tell what audio cords I need to hook my K3 to my Mac Mini using a 
Griffin iMic USB Sound Card?  Also, where can I get the cords?

 73s de Dave KJ6CBS



  
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[Elecraft] [K3] FS:K3/100 sn0655

2011-03-01 Thread John D'Ausilio 
with KAT3, KXV3, 5-pole 500Hz filter .. essentially unused, I'm doing
very little HF these days and the K3 is too big for my rover
configuration :(
One owner, clean environment, asking $2400 obo before I throw it on
the auction site. Reply direct only, I don't monitor the list!

de w1rt/john
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Re: [Elecraft] [Bulk] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread Don Wilhelm 
  Bill,

Good information on your blog.  For additional information on setting 
the K2 filters and the dial calibration, I refer you to the K2 Dial 
Calibration article on my website.  Yes, once set the K2 filters will 
stay put.  There is no need for continual filter changes unless the K2 
owner is simply experimenting to see what works best for him/her.  See 
the K2 Dial Calibration article on my website www.w3fpr.com for more 
information on how to accomplish the optimum filter settings for your K2.

My recommended RTTY filter set settings are - FL1 = The same as the SSB 
FL1 settings - that gives you the full waterfall display - FL2 = 1.00, 
FL3 = 0.70, and FL4 = 0.40.  Those narrow filters are centered at 1000 
Hz (change the KDSP2 RTTY filter centers to match), and set the MMTTY 
mark frequency to 910 Hz.  When tuning PSK31 signals in the midst of 
QRM, use the VFO knob to tune the desired signal to the vicinity of 1000 
Hz on the waterfall, and then if you need to narrow the IF filters to 
alleviate QRM, it is a simple matter of tapping the XFIL button.

Note that there may be a slight difference in the BFO frequency (up to 
20 Hz) when switching IF filter widths.  To maintain a QSO and keep the 
QSO on the same frequency, unlock the transmit and receive frequencies 
in the data mode application when using these techniques, and you will 
avoid chasing the QSO frequency up or down the band.

73,
Don W3FPR

On 3/1/2011 9:01 PM, Bill Coleman wrote:
>
> Ribbon cable position makes a difference, I found. However, once set, the 
> filters seem to stay put. Here's my tips on setting up and aligning the 
> filters:
> http://boringhamradiopart.blogspot.com/2010/02/configuring-elecraft-k2-crystal-filters.html
>
>
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Re: [Elecraft] [Bulk] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread Bill Coleman 

On Mar 1, 2011, at 5:29 PM, K1FFX wrote:

> A reminder to new KPA100 builders ... the very last step in the KPA100
> construction manual is on page 55 and reminds the builder to go back and
> tighten the screws that hold down Q1 and Q2 after 5 hours of normal use.
> 
> I just opened up my K2/100, following the ARRL DX contest, and sure enough
> ... all 4 screws were loose and required the suggested 1/8 turn.

Every time I have the K2 open, and the KPA100 shield off, I check this. I've 
only found them loose the first time, and I've had the KPA100 board off the 
heat sink a couple of times.

> And, as long as I have the top off, I'm seeing if can route the ribbon cable
> more optimally, and will tweak the filter alignment.

Ribbon cable position makes a difference, I found. However, once set, the 
filters seem to stay put. Here's my tips on setting up and aligning the filters:
http://boringhamradiopart.blogspot.com/2010/02/configuring-elecraft-k2-crystal-filters.html




Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901

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Re: [Elecraft] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread K1FFX 
> Route the ribbon cable (and the speaker cable) toward the front.  It 
> should exit the shield running straight out.  If it does not fit that 
> way, swap ends. 

Swap ends!  What a concept!  Of course, that made a huge difference
in routing the cable directly and _easily_  straight toward the front.

I've been fighting with that ribbon cable from day 1 ... thanks for the
helpful observation and tip, Don.

- Bruce


-
Bruce Rosen
K1FFX
k2/100 6982

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Re: [Elecraft] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread Don Wilhelm 
  Ken,

While that is a good idea, I have never found it to be necessary.  I 
check on all the K2/100s that I repair.
Once the pads have "settled in", they do not compress any further.

73,
Don W3FPR

On 3/1/2011 5:43 PM, Ken Chandler wrote:
> It's also a good idea to re-tighten to screws periodically but not to over 
> tighten them.
>
> Ken..G0ORH
>
> Sent from my iPhone
> Member of:-
> RSGB, NADARS, CDXC, FOC 1684, G-QRP 13178, IPA.
>
>
>
>
> On 1 Mar 2011, at 22:29, K1FFX  wrote:
>
>> A reminder to new KPA100 builders ... the very last step in the KPA100
>> construction manual is on page 55 and reminds the builder to go back and
>> tighten the screws that hold down Q1 and Q2 after 5 hours of normal use.
>>
>> I just opened up my K2/100, following the ARRL DX contest, and sure enough
>> ... all 4 screws were loose and required the suggested 1/8 turn.
>>
>> And, as long as I have the top off, I'm seeing if can route the ribbon cable
>> more optimally, and will tweak the filter alignment.
>>
>> Cheers -
>>
>> Bruce
>>
>>
>>
>> -
>> Bruce Rosen
>> K1FFX
>> k2/100 6982
>>
>> -- 
>> View this message in context: 
>> http://elecraft.365791.n2.nabble.com/K2-Loose-screws-on-KPA100-Q1-and-Q2-tp6078966p6078966.html
>> Sent from the Elecraft mailing list archive at Nabble.com.
>> __
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Re: [Elecraft] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread Don Wilhelm 
  Bruce,

Yes that is a good reminder - also note that it should be re-done if you 
change the thermal pads.
For anyone who has had a KPA100 built for them, it might be a bit 
intimidating at first to get to the screws.  For anyone in that 
position, send me an email, and I will send you the document that I 
normally send to customers for whom I build a KPA100 or change the 
thermal pads.

Route the ribbon cable (and the speaker cable) toward the front.  It 
should exit the shield running straight out.  If it does not fit that 
way, swap ends.

When the KPA100 is mounted onto the base K2, tuck the ribbon cable and 
the speaker cable up into the space above the Control Board and as far 
away from the KSB2 as possible and reasonable.

73,
Don W3FPR

On 3/1/2011 5:29 PM, K1FFX wrote:
> A reminder to new KPA100 builders ... the very last step in the KPA100
> construction manual is on page 55 and reminds the builder to go back and
> tighten the screws that hold down Q1 and Q2 after 5 hours of normal use.
>
> I just opened up my K2/100, following the ARRL DX contest, and sure enough
> ... all 4 screws were loose and required the suggested 1/8 turn.
>
> And, as long as I have the top off, I'm seeing if can route the ribbon cable
> more optimally, and will tweak the filter alignment.
>
> Cheers -
>
> Bruce
>
>
>
> -
> Bruce Rosen
> K1FFX
> k2/100 6982
>
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[Elecraft] USB to Serial adapter

2011-03-01 Thread Richard Fjeld 
FYI,
I have a K3 without the KUSB option installed.  I have a cheap USB to Serial 
adapter that I need for my PC that doesn't have a serial port.

I got curious about using PSK-31 with a waterfall display, so I used the 
adapter between the PC and the K3. Using HRD Beta version 5, I had Tx/Rx 
control problems intermittently with the best configuration I could find.  From 
what I had read, I was convinced that the adapter did not have the FTDI chipset 
and was causing the trouble. I planned on buying a better adapter.

Later, I happened to try DigiPan software. It works flawlessly with the cheap 
adapter.  The configuration I am using in DigiPan caused the K3 transmit to 
flutter when using HRD. I'm glad to have discovered this.
73,
Dick, n0ce



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Re: [Elecraft] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread Ken Chandler 
It's also a good idea to re-tighten to screws periodically but not to over 
tighten them.

Ken..G0ORH  

Sent from my iPhone
Member of:-
RSGB, NADARS, CDXC, FOC 1684, G-QRP 13178, IPA.

 


On 1 Mar 2011, at 22:29, K1FFX  wrote:

> A reminder to new KPA100 builders ... the very last step in the KPA100
> construction manual is on page 55 and reminds the builder to go back and
> tighten the screws that hold down Q1 and Q2 after 5 hours of normal use.
> 
> I just opened up my K2/100, following the ARRL DX contest, and sure enough
> ... all 4 screws were loose and required the suggested 1/8 turn.
> 
> And, as long as I have the top off, I'm seeing if can route the ribbon cable
> more optimally, and will tweak the filter alignment.
> 
> Cheers -
> 
> Bruce
> 
> 
> 
> -
> Bruce Rosen
> K1FFX
> k2/100 6982
> 
> -- 
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/K2-Loose-screws-on-KPA100-Q1-and-Q2-tp6078966p6078966.html
> Sent from the Elecraft mailing list archive at Nabble.com.
> __
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[Elecraft] [K2] Loose screws on KPA100 Q1 and Q2

2011-03-01 Thread K1FFX 
A reminder to new KPA100 builders ... the very last step in the KPA100
construction manual is on page 55 and reminds the builder to go back and
tighten the screws that hold down Q1 and Q2 after 5 hours of normal use.

I just opened up my K2/100, following the ARRL DX contest, and sure enough
... all 4 screws were loose and required the suggested 1/8 turn.

And, as long as I have the top off, I'm seeing if can route the ribbon cable
more optimally, and will tweak the filter alignment.

Cheers -

Bruce



-
Bruce Rosen
K1FFX
k2/100 6982

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Re: [Elecraft] K2 Kit Questions

2011-03-01 Thread K1FFX 
I can share my recent experience in the ARRL CW DX contest.

I have a K2/100 with no additional filtering (i.e., no KAF2 or KDSP2).  I
had
the variable bandwidth crystal filter set to 1000 Hz, 500 Hz, 300 Hz, and
150 Hz.
I ran most of the contest set to 150 Hz.

There were a few times when I felt like additional filtering would have been
a "nice to have".  There were no times when I felt like it was a "gotta
have".

And that was also my experience in the CQ WW last November (running 10
watts pre-KPA100!).

I'm probably going to build the AF1 external audio filter later this year. 
I'm
sure it will be handy, but I'd do it mostly for the pleasure of building
another
mini-module!

Cheers -

Bruce

-
Bruce Rosen
K1FFX
k2/100 6982

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Re: [Elecraft] K3 External Reference Locking Progress?

2011-03-01 Thread Wayne Burdick 
Hi John,

The design of the K3EXREF module is finished, and it works very well.  
We're getting ready to send some out for field test.

We'll announce the price and shipping information soon.

73,
Wayne
N6KR

On Mar 1, 2011, at 1:29 PM, G3XDY wrote:

> Some months back Wayne posted details of how the external reference  
> locking
> would work for the K3, and I recollect that field test was imminent.  
> Since
> then it has been very quiet.  Having just finished GPS locking my 23cm
> transverter it would be nice to get the K3 tied into the system too.
>
> Does anyone know of  progress on this option?
>
> 73
>
> John G3XDY
> K3 #689
>
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[Elecraft] K3 External Reference Locking Progress?

2011-03-01 Thread G3XDY 
Some months back Wayne posted details of how the external reference locking 
would work for the K3, and I recollect that field test was imminent. Since 
then it has been very quiet.  Having just finished GPS locking my 23cm 
transverter it would be nice to get the K3 tied into the system too.

Does anyone know of  progress on this option?

73

John G3XDY
K3 #689

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Re: [Elecraft] K3 serial to serial

2011-03-01 Thread Guy Olinger K2AV 
Details, details:>)   73, Guy.

On Tue, Mar 1, 2011 at 3:08 PM,  wrote:

> OK, yes, My TS-570 has a gender changer mounted on it's rear RS232 port.
>  My main response was to the fact that the wiring is the same, and I didn't
> consider gender.  However, the cable I used for the 570 is the same cable I
> use for the K3, minus the gender changer.
>
> ...bc  nr4c
>
>
>
>
> Quoting Guy Olinger K2AV :
>
>  I'm not so sure...   My FT-1000 MP Cat connection has a male DB9
>> connection,
>> and the K3 has a female connection. If the MP's convention is "standard"
>> for
>> Yaesu rigs, then the FT2000 cord will not work. Serial cord connections on
>> PC's are male. The K3 requires a cord with male on one end and female on
>> the
>> other.  The MP requires a double female cord.  That fact made all the
>> cords
>> I had used with my MP directly unusable with the K3.
>>
>> If the FT2000 CAT connection on the back of the rig has pins, the cord
>> will
>> not work for the K3 as is.  An inexpensive male serial gender changer on
>> the
>> rig end will convert a double female.
>>
>> I found the gender changers inconvenient with cord replacement (K3 travels
>> a
>> bit with me), and eventually bought new cords.
>>
>> 73, Guy.
>>
>> On Tue, Mar 1, 2011 at 11:49 AM,  wrote:
>>
>>  It should work fine.  I replace my TS570 with a K3 and used the same
>>> serial cable.
>>>
>>> ...bill  nr4c
>>>
>>>
>>> Quoting Adriano :
>>>
>>> > Anyone knows if the Serial to Serial cable from FT-2000 would work w/
>>> the
>>> k3?
>>> >
>>> > Tnx again
>>> > PY2ADR
>>> > K3 4795
>>> > __
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>>> >
>>>
>>>
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>>>
>>
>
>
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Re: [Elecraft] K3 serial to serial

2011-03-01 Thread nr4c 
OK, yes, My TS-570 has a gender changer mounted on it's rear RS232  
port.  My main response was to the fact that the wiring is the same,  
and I didn't consider gender.  However, the cable I used for the 570  
is the same cable I use for the K3, minus the gender changer.

...bc  nr4c



Quoting Guy Olinger K2AV :

> I'm not so sure...   My FT-1000 MP Cat connection has a male DB9 connection,
> and the K3 has a female connection. If the MP's convention is "standard" for
> Yaesu rigs, then the FT2000 cord will not work. Serial cord connections on
> PC's are male. The K3 requires a cord with male on one end and female on the
> other.  The MP requires a double female cord.  That fact made all the cords
> I had used with my MP directly unusable with the K3.
>
> If the FT2000 CAT connection on the back of the rig has pins, the cord will
> not work for the K3 as is.  An inexpensive male serial gender changer on the
> rig end will convert a double female.
>
> I found the gender changers inconvenient with cord replacement (K3 travels a
> bit with me), and eventually bought new cords.
>
> 73, Guy.
>
> On Tue, Mar 1, 2011 at 11:49 AM,  wrote:
>
>> It should work fine.  I replace my TS570 with a K3 and used the same
>> serial cable.
>>
>> ...bill  nr4c
>>
>>
>> Quoting Adriano :
>>
>> > Anyone knows if the Serial to Serial cable from FT-2000 would work w/ the
>> k3?
>> >
>> > Tnx again
>> > PY2ADR
>> > K3 4795
>> > __
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>


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[Elecraft] WTB: K2/100

2011-03-01 Thread Jason Reber 
Greetings; 
I'm looking to purchase a clean K2/100. The following options are preferred,
but not necessary: 
KNB2 (noise blanker) 
KAF2 (audio filter/clock) 
KSB2 (SSB option) 
FDIMP (finger dimple) 
Only interested in a rig that is fully functional, meaning full power out on
all bands, no alignment issues etc. 
Please let me know if you have a K2/100 you are interested in selling. 
Thanks- 
Jason  AC7JW 

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[Elecraft] WTB: K2/100

2011-03-01 Thread Jason Reber 
Greetings;
I'm looking to purchase a clean K2/100. The following options are preferred,
but not necessary: 
KNB2 (noise blanker)
KAF2 (audio filter/clock)
KSB2 (SSB option)
FDIMP (finger dimple)
Only interested in a rig that is fully functional, meaning full power out on
all bands, no alignment issues etc. 
Please let me know if you have a K2/100 you are interested in selling. 
Thanks-
Jason  AC7JW 


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Re: [Elecraft] tx/rx isolation and safe tx input power for K3

2011-03-01 Thread Ian White GM3SEK 
Jim Brown wrote:
>On 3/1/2011 6:17 AM, pendulous wrote:
>>   I recently
>> installed the DX engineering bidirectional Beverage systems.
>
>Are you also using the DX Engineering preamp?  It's got a lot of gain,
>more than is needed to bring your Beverages up to match other antennas,
>and that could be contributing to a high signal level from your TX
>signal.   Consider putting a simple passive attenuator between the
>preamp and the K3.  You can build the attenuator from a few resistors.
>Another name for such an attenuator is  "pad." I suspect that there are
>some formulas in the ARRL Handbook to calculate the resistor values.
>
>Just working off the top of my head, I'd start with a 68 ohm resistor in
>parallel with the line at the input of the pad, a series resistor of
>about 270 ohms, and a second 68 ohm resistor in parallel at the output
>of the pad.   This will be good for something on the order of 14 dB, and
>will be close enough to a decent match for either 50 ohm or 75 ohm coax.
>In this application, that's plenty close enough. If you want more
>attenuation, increase the 270 ohm to 560 or 680 ohms, which will get you
>a bit more than 20 dB.
>
>73, Jim K9YC.
>


WinATT by GM4PMK is a nice little Windows program that designs Pi and T 
attenuators in a snap. As well as calculating theoretical values for the 
attenuation you require, it also finds the closest standard resistor 
values in the E6, E12 or E24 series and calculates the attenuation and 
VSWR for those values too.

The 64KB stand-alone exe file is at:



-- 

73 from Ian GM3SEK
http://www.ifwtech.co.uk/g3sek
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Re: [Elecraft] tx/rx isolation and safe tx input power for K3

2011-03-01 Thread Tony Estep 
On Tue, Mar 1, 2011 at 11:25 AM, Jim Brown wrote:

> ...Consider putting a simple passive attenuator between the
> preamp...

==
Or alternatively, the DXE preamp manual outlines a number of simple mods to
reduce gain.

Tony KT0NY
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Re: [Elecraft] tx/rx isolation and safe tx input power for K3

2011-03-01 Thread Jim Brown 
On 3/1/2011 6:17 AM, pendulous wrote:
>   I recently
> installed the DX engineering bidirectional Beverage systems.

Are you also using the DX Engineering preamp?  It's got a lot of gain, 
more than is needed to bring your Beverages up to match other antennas, 
and that could be contributing to a high signal level from your TX 
signal.   Consider putting a simple passive attenuator between the 
preamp and the K3.  You can build the attenuator from a few resistors.  
Another name for such an attenuator is  "pad." I suspect that there are 
some formulas in the ARRL Handbook to calculate the resistor values.

Just working off the top of my head, I'd start with a 68 ohm resistor in 
parallel with the line at the input of the pad, a series resistor of 
about 270 ohms, and a second 68 ohm resistor in parallel at the output 
of the pad.   This will be good for something on the order of 14 dB, and 
will be close enough to a decent match for either 50 ohm or 75 ohm coax. 
In this application, that's plenty close enough. If you want more 
attenuation, increase the 270 ohm to 560 or 680 ohms, which will get you 
a bit more than 20 dB.

73, Jim K9YC.


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Re: [Elecraft] P3 Beta v1.05 anomaly?

2011-03-01 Thread Gene Sochor 
Thanks to those who responded to my post regarding power-off loss of 
stored hold function on FN7 with v1.05 P3 firmware.  A parametric 
reset solved the problem.  For the record, the event occurred when 
powering off from the P3 alone or by using the K3.

73, Gene N9SW 

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Re: [Elecraft] K3 serial to serial

2011-03-01 Thread Vernon Mauery 
On Tue, Mar 1, 2011 at 8:54 AM, Guy Olinger K2AV  wrote:
> I'm not so sure...   My FT-1000 MP Cat connection has a male DB9 connection,
> and the K3 has a female connection. If the MP's convention is "standard" for
> Yaesu rigs, then the FT2000 cord will not work. Serial cord connections on
> PC's are male. The K3 requires a cord with male on one end and female on the
> other.  The MP requires a double female cord.  That fact made all the cords
> I had used with my MP directly unusable with the K3.
>
> If the FT2000 CAT connection on the back of the rig has pins, the cord will
> not work for the K3 as is.  An inexpensive male serial gender changer on the
> rig end will convert a double female.

Oh, but be careful with gender changers because with serial
connections, because not all serial cables are created equal; often, a
double-female-ended cable will be a null modem cable (with RX/TX wires
crossed), but not always.  You can test your cable with a continuity
tester to make sure that the pins on each end are all the same pin.
The K3 needs a standard cable, not a null modem cable.  See
http://www.lammertbies.nl/comm/cable/RS-232.html for more info.

--Vernon N7OH

> I found the gender changers inconvenient with cord replacement (K3 travels a
> bit with me), and eventually bought new cords.
>
> 73, Guy.
>
> On Tue, Mar 1, 2011 at 11:49 AM,  wrote:
>
>> It should work fine.  I replace my TS570 with a K3 and used the same
>> serial cable.
>>
>> ...bill  nr4c
>>
>>
>> Quoting Adriano :
>>
>> > Anyone knows if the Serial to Serial cable from FT-2000 would work w/ the
>> k3?
>> >
>> > Tnx again
>> > PY2ADR
>> > K3 4795
>> > __
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Re: [Elecraft] K2 Kit Questions

2011-03-01 Thread Curt Milton 
Phil

Others opinions may vary, but here is my experience - a K2 works well without 
DSP.  


Yes you already likely heard a base K2 is all analog.  But note that is has 
this 
feature - the xtal filter bandwidth is programmable.  I literally have mine set 
up for 700, 400, 250 and 100 Hz bandwidth.  After getting these selectable 
filters well centered - it acts a lot like using a DSP filter - and I find it 
provides enough settings for CW.  The filter shapes are not quite as sharp as 
DSP, but still pretty good.  Also with no DSP, the audio is pleasant to listen 
to.  In my opinion, the rig works great with no DSP.  


I also have the SSB filters set to vary from 1.6 kHz upward.  They also work 
pretty well.  Here a DSP filter could help with adjacent frequency interference 
by being sharper.  


If you are planning on all CW, or even mostly CW, I suggest you can do well 
without the DSP.  For many years my K2 was only equipped with 160m and SSB 
options.  


I do use a NESCAF external audio filter for pulling weak signals out on 160 and 
80m.  It has a potentiometer for BW adjustment - which you might prefer over 
the 
internal fixed settings.  


But I have this feeling you might be thrilled enough with using your K3 at QRP 
levels, so you'll have to weigh do you really need this other rig in the shack, 
or for travel when you have a KX1.  You could diversify your 'build' portfolio 
by doing something homebrew and/or another QRP project (hint check Az Scorpions 
and FourState for ideas).    


73 Curt

Gang,  So, I am thinking that another kit is in my future.  I have a K3 and a 
KX1 and I am thinking about the K2.  I would be using it for CW and QRP or 
2*QRP 
only.  So, I wouldn't plan on getting the SSB option and I am not planning on 
the 100 watt PA or the ATU.  But, I do have questions about filters (remember, 
CW usage only).  1.  Question:  is the radio a completely analog radio (no DSP) 
if you DO NOT buy the DSP filter option?  2.  Question:  is the DSP filter 
worth 
the money?  3.  Question:  is the Audio filter useful?  Is the Audio filter 
still useful if I buy the DSP filter?  Any other comments and suggestions are 
definitely accepted.  73, phil, K7PEH  


  
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Re: [Elecraft] K3 serial to serial

2011-03-01 Thread Guy Olinger K2AV 
I'm not so sure...   My FT-1000 MP Cat connection has a male DB9 connection,
and the K3 has a female connection. If the MP's convention is "standard" for
Yaesu rigs, then the FT2000 cord will not work. Serial cord connections on
PC's are male. The K3 requires a cord with male on one end and female on the
other.  The MP requires a double female cord.  That fact made all the cords
I had used with my MP directly unusable with the K3.

If the FT2000 CAT connection on the back of the rig has pins, the cord will
not work for the K3 as is.  An inexpensive male serial gender changer on the
rig end will convert a double female.

I found the gender changers inconvenient with cord replacement (K3 travels a
bit with me), and eventually bought new cords.

73, Guy.

On Tue, Mar 1, 2011 at 11:49 AM,  wrote:

> It should work fine.  I replace my TS570 with a K3 and used the same
> serial cable.
>
> ...bill  nr4c
>
>
> Quoting Adriano :
>
> > Anyone knows if the Serial to Serial cable from FT-2000 would work w/ the
> k3?
> >
> > Tnx again
> > PY2ADR
> > K3 4795
> > __
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>
>
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Re: [Elecraft] K3 serial to serial

2011-03-01 Thread nr4c 
It should work fine.  I replace my TS570 with a K3 and used the same  
serial cable.

...bill  nr4c


Quoting Adriano :

> Anyone knows if the Serial to Serial cable from FT-2000 would work w/ the k3?
>
> Tnx again
> PY2ADR
> K3 4795
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Re: [Elecraft] K3 Current Meter

2011-03-01 Thread Scott Ellington 
The measurement is quite accurate, and the ADC reference is OK.  Sorry I didn't 
point that out originally.  I did get some data from Gary, which shows that his 
K3 current meter is much more accurate than mine.  

The meter accuracy itself isn't really important, but the error may be limiting 
output power, as the High Current error occurs at a lower current than intended.

73,

Scott  K9MA



On Feb 28, 2011, at 3:40 PM, Guy Olinger K2AV wrote:

> And your reason for presuming the "actual current" at 23 A is .   What 
> are you using to measure that?   The meter on your power supply?  A Fluke 
> meter that has a 25A range or ?
> 
> First calibrate ADC REF on the K3 CONFIG menu (TECH MD must first be set to 
> "on") per the procedure on page 53 of the manual. You can scan for the 
> manual's pdf file for ADC REF  . 
> 
> This calibration sets up a reference voltage inside the K3.  But do it with 
> an accurate DVM.  Then see what the K3's internal shunt voltage is reading.  
> That's what you are actually seeing.  
> 
> 73, Guy.  
> 
> On Mon, Feb 28, 2011 at 12:48 PM, Scott Ellington 
>  wrote:
> Has anyone compared the K3 internal current meter to an accurate external 
> meter?  My K3 meter reads about 20A, when the actual current is 23 A, with no 
> accessories connected.  That's a huge error, and it's not linear.
> 
> 73,
> 
> Scott  K9MA
> 

Scott Ellington
Madison, Wisconsin
USA



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[Elecraft] AM TX tune up procedure for the K3 ?

2011-03-01 Thread Jack Brabham 
I think I have seen this some where but can't seem to locate it now, and 
I can't seem to make the archive search distinguish between "AM" and 
"am" so I need some help.

I'm looking for the K3 TX setup procedure for AM and would appreciate 
any recommendations regarding menu or control settings for AM.

Thanks,

73 Jack KZ5A

K3 #4165
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[Elecraft] tx/rx isolation and safe tx input power for K3

2011-03-01 Thread pendulous 
Good morning. I have a K3 with a P3 and all the fixins. I have had the radio
since before Christmas. Love it. Great product and great company. I recently
installed the DX engineering bidirectional Beverage systems. I have been
using them in conjunction with the K3 and a Hustler 6BTV and a couple of
Dipoles-seperate TX and RX. SeemS to work well. I have a question concerning
the minimum safe TX RX antenna separation to protect the front end of the
K3. I have not heard the COR kick in, at least I don't think so. Anyway, the
separation between the TX antennas and the beverages ranges anywhere from 50
feet to 90 feet, with the Beverages for the most part broadside to the TX
antennas. Transmit power is never more than 800 watts on CW. Is this a safe
distance for 160 to 20 meters? Is there a formula or model that allows one
to easily calculate the required isolation in terms of distance? Thanks in
advance for your help.

Mike
AB4KJ

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[Elecraft] N2CQ QRP Contest Calendar: March 2011

2011-03-01 Thread Ken Newman 
~
N2CQ QRP CONTEST CALENDAR
March 2011
~
80 METER FOXHUNT (CW) *** QRP Contest ***
EST: Mar 1, 9 PM to 10:29 PM
UTC: Mar 2, 0200z to 0329z
Info: http://www.qrpfoxhunt.org/
~
40 METER FOXHUNT (CW) *** QRP Contest ***
EST: Mar 3, 9 PM to 10:29 PM
UTC: Mar 4, 0200z to 0329z
Info: http://www.qrpfoxhunt.org/
~
ARRL International DX Contest (SSB) ... QRP Category
Mar 5, z to Mar 6, 2400z
Rules: http://www.arrl.org/arrl-dx
~
Wake-Up! QRP Sprint (CW) *** QRP Contest ***
Mar 5, 0600z to 0800z
Rules:
http://qrp.ru/modules/sections/index.php?op=viewarticle&artid=7&page=1
~
UBA Foxhunt (CW/PSK31/SSB) *** QRP Contest ***
Mar 7, 1930z to 2030z
Rules: http://www.on5ex.be/foxhunt/foxhunt.html
~
Adventure Radio Spartan Sprint (CW) ... QRP Event!
EST: Mar 7, 9 PM to 11 PM (First Monday each month)
UTC: Mar 8, 0200z to 0400z
Info: http://www.arsqrp.blogspot.com/
~
80 METER FOXHUNT (CW) *** QRP Contest ***
EST: Mar 8, 9 PM to 10:29 PM
UTC: Mar 9, 0200z to 0329z
Info: http://www.qrpfoxhunt.org/
~
CWops Mini-CWT Test (CW) ... QRP Category
Mar 9, 1100z to 1200z and
Mar 9, 1900z to 2000z and
Mar 10, 0300z to 0400z
Rules: http://www.cwops.org/onair.html
~
40 METER FOXHUNT (CW) *** QRP Contest ***
EST: Mar 10, 9 PM to 10:29 PM
UTC: Mar 11, 0200z to 0329z
Info: http://www.qrpfoxhunt.org/
~
AGCW QRP Contest (CW) ... QRP/QRPp Category
Mar 12, 1400z to 2000z
Rules: http://www.agcw.org/en/?Contests:QRP-Contest
~
QRP ARCI HF Grid Square Sprint (CW) *** QRP Contest ***
Mar 12, 1500z to 1800z
Rules: http://www.qrparci.org/content/view/8346/118/
~
EA PSK31 Contest
Mar 12, 1600z to Mar 13, 1600z
Rules:
http://www.ure.es/contest/428-ea-psk31-contest-english-version.html
~
Elecraft QSO Party (All) ... QRP Category
Mar 12, 1800z to Mar 13, 1800z
Rules: http://www.elecraft.com/

>>> Rules not yet posted for 2011<<
~
Idaho QSO Party (Ph/CW/Dig) ... QRP Category
Mar 12, 1900z to Mar 13, 1900z
Rules: http://www.nx7tt.com/main_page_link/rules.htm
~
SKCC Weekend Sprintathon (Straight Key CW) ... QRP Category
Mar 13, z to 2359z
Rules: http://www.skccgroup.com/sprint/wes/
~
North American Sprint (RTTY) ... QRP Category
Mar 13, z to 0400z
Rules: http://www.ncjweb.com/sprintrules.php
~

Daylight saving starts Mar 13, 2011 - 0200 AM

~
UBA (Belgian) Spring Contest (CW-80m) ... QRP Category
Mar 13, 0700z to 1100z
Rules: http://www.uba.be/en/hf/contest-rules
~
Wisconsin QSO Party (CW/SSB)...QRP Category
Mar 13, 1800z to Mar 14, 0100z
Rules: http://www.warac.org/index.htm
~
NAQCC-EU Monthly Sprint (CW) *** QRP Contest ***
Mar 14 1800z to 2000z
Rules: http://naqcc-eu.org/sprints
~
UBA Foxhunt (CW/PSK31/SSB) *** QRP Contest ***
Mar 14, 1930z to 2030z
Rules: http://www.on5ex.be/foxhunt/foxhunt.html
~
80 METER FOXHUNT (CW) *** QRP Contest ***
EST: Mar 15, 9 PM to 10:29 PM
UTC: Mar 16, 0200z to 0329z
Info: http://www.qrpfoxhunt.org/
~
NAQCC Straight Key/Bug Sprint *** QRP CONTEST! ***
EST: Mar 16, 8:30 PM to 10:30 PM
UTC: Mar 17, 0030z to 0230z
Rules: http://naqcc.info/contests.html
~
40 METER FOXHUNT (CW) *** QRP Contest ***
EST: Mar 17, 9 PM to 10:29 PM
UTC: Mar 18, 0200z to 0329z
Info: http://www.qrpfoxhunt.org/
~
Ten-Ten Mobile QSO Party (CW/SSB) ... QRP Category
Mar 19, 0001z to 2359z
Rules: http://www.ten-ten.org/calendar.html
~
BARTG Spring RTTY Contest
Mar 19, 0200z to

[Elecraft] K3 serial to serial

2011-03-01 Thread Adriano 
Anyone knows if the Serial to Serial cable from FT-2000 would work w/ the k3?

Tnx again
PY2ADR
K3 4795
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[Elecraft] K3 serial cable to PC

2011-03-01 Thread Adriano 
Hello Elecrafters

After a 10 days trip i turned on my K3 and it was "blocked". No buttons 
working, no rx, nothing. Only the displays were working, on the lcd the msg: 
VOX=OFF and a continuous beep.
So after a few turn on/off i decided go to EEINT (reset the radio).
Well after that i opened the K3 utility to start the configs again. It was also 
not working. I tested the port and it was ok but the attempts to connect w/ the 
radio failed. Not even the msg "new hardware found" came up. I was using the 
KUSB cable (FTDI).
I decided to try another cable (PROLIFIC) after delete all old drivers and 
install it again.. It did recognize the new driver but still no conection w/ 
the radio.

Any clue of what is going on here? Anyone had the same trouble?

Any way to test if the radio is damaged ?

Everything was turned off and disconected during my trip.

Tnx in advance.

PY2ADR - K3 S/N 4795
 
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[Elecraft] K3 Accessories WTB

2011-03-01 Thread Bob DeHaney 
 I know it's an off chance, but I will be visiting my sister in Maryland
during the entire month of April, and if someone has the following excess to
their needs please contact me off list.

P3 Kit or Assembled

KRX3 Sub-Receiver  

KDVR3 Voice Recorder

KBPF3 General Coverage Filter

I have a verified PayPal Account.

Vy 73, Bob DJ0RD/WU5T

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