Re: [Elecraft] K3 Powers Off On Its Own

2023-09-15 Thread David Hachadorian
On one of my K3's the Powerpole receptacle got flaky. Turn the radio on, and then wiggle the plug  to see if it drops out.  I resoldered where the receptacle pins mate with the circuit board inside, but I still had to use a tie-wrap to hold the plug in a certain position.  I'll fix it the

Re: [Elecraft] CM-500 Question

2023-08-08 Thread David Hachadorian
I just bought another SB-45 last week on Amazon.  Mic Sensitivity is fine, same as it used to be. Dave Hachadorian, K6LL Big Bear Lake, CA On 8/8/2023 7:07 AM, David Herring wrote: Comfort. My ears tend to be on the large side. Most “over the ear” headphones are really “on ear” headphones

Re: [Elecraft] A Good Headset For A K3

2023-08-06 Thread David Hachadorian
I like the Koss SB-45 (3.5mm plug version, not USB).  It sounds great, has a nice padded headband, and is $30 on Amazon. Dave Hachadorian, K6LL Big Bear Lake, CA On 8/6/2023 12:16 PM, Jim Brown wrote: On 8/6/2023 11:43 AM, Eric Garner wrote: 2nding the radiosport headsets. They are not

Re: [Elecraft] WTB/trade for K3(S) CW filters

2023-08-02 Thread David Hachadorian
Maybe you can work a deal with K6RO, who has a sideline business dealing in used Elecraft radios and accessories. Dave Hachadorian, K6LL Big Bear Lake, CA On 8/1/2023 10:09 PM, AB2E Darrell wrote: Hi all, Just picked up a K3 w/upgraded S synths, but the op was mostly SSB. I want to pick up

Re: [Elecraft] WTB K3-K3S 200hz Or 250hz Filter.

2023-04-23 Thread David Hachadorian
Try K6RO.  He deals in used Elecraft radios and has many filters available. Dave Hachadorian, K6LL Yuma, AZ On 4/23/2023 4:05 AM, Ramon Batista wrote: Looking For 200hz Or 250hz Filter For K3-K3S. Ray WD4X 239-227-9414 __ Elecraft

Re: [Elecraft] K3, using AM Mode RX with 250 Hz filter

2023-04-14 Thread David Hachadorian
Hi Keith, Thanks for the reply.  I tried a bunch of different width/mode assignments just now, but got a strange rumbling noise with those configurations.  Thanks for suggesting taking a picture of the original config, because my experimental settings got pretty wild! 73 Dave Hachadorian,

[Elecraft] K3, using AM Mode RX with 250 Hz filter

2023-04-14 Thread David Hachadorian
For an upcoming Frequency Measurement Test, I'm trying to use a K3  in AM Mode RX-only with a 250 Hz CW Filter. My plan for the FMT is to use a GPS Disciplined Oscillator as a BFO, and by measuring the frequency of the beat tone, I will be able to accurately determine the mystery transmit

Re: [Elecraft] K-3 Saga Continued

2023-03-15 Thread David Hachadorian
Maybe something here will help: https://marc.info/?l=elecraft=145323127930319=2 Dave Hachadorian, K6LL Yuma, AZ On 3/14/2023 7:34 PM, Pete Smith N4ZR wrote: So, after many hours of fiddling around, I had to give up on the KIO3B for the time being.  I made repeated efforts, being exquisitely

Re: [Elecraft] Looking for two 250 hz filters for K3

2023-03-14 Thread David Hachadorian
Try K6RO. Dave Hachadorian, K6LL Yuma, AZ On 3/14/2023 7:26 AM, Erik Wheeler wrote: Hi all, I'm looking for two 250 hz filters for my K3. If anyone has some for sale, or can point me in the right direction to find some, I'd appreciate it. 73, Erik N1CFO

Re: [Elecraft] No stations being heard on K3

2023-02-06 Thread David Hachadorian
Maybe something here will be helpful: https://marc.info/?l=elecraft=145323127930319=2 Dave Hachadorian, K6LL Yuma, AZ On 2/6/2023 9:19 AM, Gary K9GS wrote: I checked several things this morning. 1. RX antenna is NOT selected.2.  RF gain is not turned down.3.  I swapped to antenna 2 port on

Re: [Elecraft] semi qsk (vox) with the K4 need advice

2023-01-20 Thread David Hachadorian
My AL-1500 has pretty slow relays.  I would guess that the AL82 is similar.  In my K3, I have config/TX DLY set to 14 ms. Dave Hachadorian, K6LL Yuma, AZ On 1/20/2023 1:33 PM, Gerry via Elecraft wrote: I usually use a foot switch with my K4 and AL82. I was wondering what would be the best

[Elecraft] Elecraft excellent service

2023-01-12 Thread David Hachadorian
One of my K3's failed during the RTTY Roundup - no RX, no TX.  I sent an email to Elecraft support, and Doug replied the next day, starting a series of e-mail exchanges.  Doug concluded that the Synthesizer Board was likely the source of the problem.  I had an old KSYN3 Synthesizer Board lying

Re: [Elecraft] [K3] Odd transmit power output behavior on TX DATA

2022-12-30 Thread David Hachadorian
It could be a momentary high SWR when starting a transmission because of some slow switching somewhere in line. In K3 Config, try increasing the value of Tx Dly.  I have to set mine at 14 because of a slow amp. Dave Hachadorian, K6LL Yuma, AZ On 12/30/2022 8:34 AM, Bill Coleman via Elecraft

Re: [Elecraft] K3 RX does not always work at power up

2022-11-02 Thread David Hachadorian
Does your K3 have gold pins on the front panel connector?  The old tinned pins were apt to cause a lot of weird/intermittent problems. Glad you were able to fix the D25 issue. Dave Hachadorian, K6LL Yuma, AZ On 11/2/2022 9:54 AM, George Fremin III wrote: The K3 that went deaf and I replaced

Re: [Elecraft] K3 that has gone deaf

2022-10-12 Thread David Hachadorian
Hi George, Maybe the second paragraph from Elecraft here will help: https://marc.info/?l=elecraft=145323127930319=2 73 Dave Hachadorian, K6LL Yuma, AZ On 10/12/2022 9:54 AM, George Fremin III wrote: I have a K3 that has gone deaf. It can bearly hear my XG1 at 50 uV plugged into either the

Re: [Elecraft] warranty

2022-08-01 Thread David Hachadorian
If you have to pay for shipping, and want to save some money, I recommend Pirate Ship. https://www.pirateship.com/rates Dave Hachadorian, K6LL Big Bear Lake, CA On 8/1/2022 12:50 PM, rpu...@live.com wrote: I have a two month old KPA 500 that needs warranty service and I was wondering if

Re: [Elecraft] DX Clusters reccomendation

2022-07-28 Thread David Hachadorian
The real value in using DX Clusters is the ability to apply detailed filtering, such as Band Band Segment Mode State and country of spotted stations State and country of spotters For CW and Digital modes, it is essential that the cluster provides spots from the Reverse Beacon Network, a

Re: [Elecraft] K3 Frequency Calibration

2021-12-19 Thread David Hachadorian
mann wrote: * On 2021 18 Dec 23:09 -0600, David Hachadorian wrote: After exchanging emails with N4ZR, who started this thread, we think this is the easiest procedure: Tune the rig to 10.000 MHz in CW mode.  Listen to the tone of the WWV carrier, which should be close to your CW PITCH setting. S

Re: [Elecraft] K3 Frequency Calibration

2021-12-18 Thread David Hachadorian
anding of what's involved.? Wouldn't be the first time... -- Message: 5 Date: Thu, 16 Dec 2021 17:01:50 -0700 From: David Hachadorian To: Pete Smith N4ZR, Reflector Elecraft Subject: Re: [Elecraft] K3 Frequency Calibration Message-ID:<6453871f-7e7d-fa93-8a79-7b1

Re: [Elecraft] K3 Frequency Calibration

2021-12-16 Thread David Hachadorian
You had it fixed, but then you broke it again. After doing the alternative method on page 49, when you tune in to 10. MHz in CW mode, you should hear a CW note at the same frequency as your PITCH selection.  I presume that is 400 Hz. I got an extremely good score on last year's Frequency

Re: [Elecraft] K3 Noise Reduction

2021-12-15 Thread David Hachadorian
For 12 years I've tried to get any enhancement of s/n from the K3 IF/RF NB and NR.  I haven't seen one case where there is any improvement under contest conditions.  When the s/n just starts to improve, the desired signal is modulated and degraded by nearby signals to the point where reception

Re: [Elecraft] KPA-1500 tuner power ramp up

2021-12-11 Thread David Hachadorian
I don't know anything about the KPA-1500, but I have seen similar power ramping if I have K3/config/TX DLY set too short for my AL-1500 amps.  With that amp, I have to set TX DLY to 14 msec.  What happens is that the K3 sees a momentary high swr before the amp relay closes, and throttles back

Re: [Elecraft] Rx-In/Out used for exteranl SDR Device?

2021-12-05 Thread David Hachadorian
Are you hooking up the splitter correctly?  RX ANT OUT from the radio goes to the common terminal of the splitter, and one of the two independent splitter outputs goes to RX ANT IN on the radio.  The other independent splitter output goes to the SDR.  Sorry to bring up such a simple

Re: [Elecraft] K3 issue

2021-11-19 Thread David Hachadorian
Does it have gold pins on the front panel connectors?  If not, all kinds of strange problems can arise. Dave Hachadorian, K6LL Yuma, AZ On 11/19/2021 5:52 PM, Dick Frey wrote: My k3 keeps losing its mind. One day it won't transmit SSB - I can whistle up 100W but speech gives 5W of avg and

Re: [Elecraft] Elecraft W2: Calibration question

2021-10-23 Thread David Hachadorian
Resources On 10/23/21 9:36 AM, David Hachadorian wrote: I don't own one of these, but I think calibration is done with the W2 Utility, using the special USB cable that comes with the W2. Dave Hachadorian, K6LL Yuma, AZ On 10/23/2021 8:53 AM, Dave wrote: Hello, Looking over the manual for the W2 I

Re: [Elecraft] Elecraft W2: Calibration question

2021-10-23 Thread David Hachadorian
I don't own one of these, but I think calibration is done with the W2 Utility, using the special USB cable that comes with the W2. Dave Hachadorian, K6LL Yuma, AZ On 10/23/2021 8:53 AM, Dave wrote: Hello, Looking over the manual for the W2 I see no way to calibrate it. Did I miss something,

Re: [Elecraft] Band pass filters

2021-07-27 Thread David Hachadorian
You need a filter on the TX radio to prevent its phase noise from being heard on other bands.  Just pressing PTT on the TX radio, even without putting out any measurable power, will raise the noise floor on multiple bands. With suitable band decoders driving filter selection, fast-switching

Re: [Elecraft] Tecsun portables

2021-07-27 Thread David Hachadorian
I use a Tecsun PL-660 for RFI tracking.  It is very sensitive, and has two steps of attenuation.  It has a jack for an external antenna, which disables the built-in whip. Frequency coverage is good.  It has a BFO, which is helpful in listening to certain types of noise.  It has a headphone

Re: [Elecraft] Front end RF overload

2021-07-21 Thread David Hachadorian
obust version". 73, Connie / K5CM On 7/19/2021 12:08 AM, David Hachadorian wrote: Try this: https://marc.info/?l=elecraft=145323127930319=2 Unfortunately, the link near the bottom for the more robust replacement part doesn't work anymore, but maybe someone can come up with the part num

Re: [Elecraft] Front end RF overload

2021-07-18 Thread David Hachadorian
Try this: https://marc.info/?l=elecraft=145323127930319=2 Unfortunately, the link near the bottom for the more robust replacement part doesn't work anymore, but maybe someone can come up with the part number.  I've got a bunch of them at home, but I'm on vacation.  The robust replacement is