Re: [Elecraft] [KPA500] incredible hum from PA

2016-12-20 Thread Jan Ditzian
David, The below statement is absolutely true. I am an industrial psychologist (really), and we have made some discoveries about why certain industrial processes sometimes work and sometimes don't. One of our earliest discoveries was the answer to the question: How may psychologists does it

Re: [Elecraft] KIO3 boards wanted--redux

2016-08-09 Thread Jan Ditzian
Barry, Main computer works. Netbook works. Main computer uses USB wifi, so I would not be looking at the reflector if USB were broken. Netbook has full function, including USB devices. 73, Jan, KX2A On 8/9/2016 3:58 AM, Barry Simpson wrote: Hi Jan Are you sure that your computer is not f

[Elecraft] KIO3 boards wanted--redux

2016-08-08 Thread Jan Ditzian
I asked for help with my K3 to computer connection on this reflector, and then asked for a used set of KIO3 boards. John, KH7T, was nice enough to send me his old set of KIO3 boards for free. I replaced my boards, and, while I was at it, looked at the original set for fried chokes (they taste

[Elecraft] KIO3 boards wanted

2016-07-26 Thread Jan Ditzian
I am the ham who asked for replacement KIO3 boards. At the present time, I have received several offers of boards at different prices, and several offers of free boards. I am in communication with a ham with free boards now, and I will let this reflector know how that went. Meanwhile, I urge

[Elecraft] KIO3 boards for K3 wanted

2016-07-25 Thread Jan Ditzian
I had a power surge in my home (along with everyone else in the zip code), and it looks like my KIO3 boards took a hit via the computer. I tried a new serial-USB converter, and that does not fix the problem. Elecraft suggests that the next step be a new set of I/O boards, but, of course, they

Re: [Elecraft] Test serial-to-USB converter

2016-07-18 Thread Jan Ditzian
at is happening. A null modem loopback cable can be helpful if you have to proper driving software application for that testing. I did that during my years of PC modem testing, but that was more than 30 years ago and the software ran under DOS - not helpful now. 73, Don W3FPR On 7/18/2016 6:36 PM

[Elecraft] Test serial-to-USB converter

2016-07-18 Thread Jan Ditzian
I have a K3 that lost communication with my computer. It uses an Elecraft serial-to-USB converter and cable. This probably happened during a known power surge. I also lost communication to my MDS rotor, which uses a built-in USB cable, which I believe may also be a serial-to-USB arrangement.

[Elecraft] Irrelevant post about KX2

2016-05-19 Thread Jan Ditzian
In the new spirit of posting irrelevant or non-technical posts, I have decided to contribute my own. I am pleased to state that I received the first KX2, out of the first batch of 26, in 1982, and have used it successfully for the past 34 years. I currently use it with my Elecraft K3 to work

[Elecraft] K3 with Amertiron amp

2016-02-15 Thread Jan Ditzian
Gerry, I use a K3 with an AL82. I suspect that the K3s is like the K3. The setting for semi-break-in is to put the K3 into CW mode and then repeatedly press & hold the QSK switch until you see the word SEMI in the display. The connector for key out to operate the linear is an RCA female label

Re: [Elecraft] RFI in audio chain

2015-12-22 Thread Jan Ditzian
This is a wrap-up post to the discussion about RFI feedback into the audio of my K3. First, I want to thank everyone who offered suggestions, most of which I tried to follow up. After numerous failures, I managed to lure a local guru--a ham who makes his living getting RF and audio things to

Re: [Elecraft] High SWR below 40 meters

2015-12-14 Thread Jan Ditzian
George and Jim, 8 minutes after my post hit the reflector, I received the following two e-mails. George: "Now that you have a KAT-3, you have 2 antenna ports. Is there any chance that the wrong one is selected for those bands?" Jim: "Antenna selection is per band. Perhaps you have the wro

[Elecraft] High SWR below 40 meters

2015-12-14 Thread Jan Ditzian
My K3 has been having RF feedback problems with an 80 meter antenna. In order to resolve things, I built an 80-meter dipole to use as a test antenna. While all this was happening, over the past few months, I also added a used KAT-3 tuner and a KXYN3A to replace the original synthesizer. Afte

[Elecraft] elecraft@mailman.qth.net

2015-11-25 Thread Jan Ditzian
I hope that this is the last message in this thread, although I suspect that there will be a bunch of I-told-you-so's. I resolved the RFI and distortion problem with my 67 foot vertical on 75/80 meters. The difficulty was, as some suggested, with the station ground. I should have realized th

Re: [Elecraft] RFI in audio chain

2015-11-24 Thread Jan Ditzian
I will continue to try solutions, but they seem to be getting random. I found my long 50-ohm coax run to the 80-meter vertical. It ends in a DX Engineering 1:1 balun with terminals. I have tried this before. I connected one of the terminals to the vertical and the other to the ground base.

Re: [Elecraft] RFI in audio chain

2015-11-23 Thread Jan Ditzian
I have followed Joe's directions: I found a two-conductor-plus-shield cable in the junk box (aka hamshack) and wired it as he instructed. It works properly as a microphone, but still has extreme RFI on 75 phone. I rechecked my other microphone, a Ten Tec Model 705 with a home made adapter fro

Re: [Elecraft] RFI in audio chain

2015-11-23 Thread Jan Ditzian
Joe and Bob, I decided to chop things up to see what was inside. I found a surprising result: The microphone wire is a two-conductor wire, consisting of a single insulated conductor and a shield. At the microphone XLR end the single wire is connected to pin 2. At the rig end, this same wi

Re: [Elecraft] RFI in audio chain

2015-11-22 Thread Jan Ditzian
your coax cable. Always better to locate them outside the shack 73 John On 23 Nov 2015, at 1:02 AM, Jan Ditzian wrote: I have a problem that appears to be changing, but I could use some help. The problem is RFI in the audio input (microphone input) when I use my vertical antenna on 40 meters

[Elecraft] RFI in audio chain

2015-11-22 Thread Jan Ditzian
I have a problem that appears to be changing, but I could use some help. The problem is RFI in the audio input (microphone input) when I use my vertical antenna on 40 meters. Here is a rundown of what has happened: I have a 67-foot elevated vertical that I can use on 80 and 40, and it works

[Elecraft] HB "button box" for K3

2013-03-07 Thread Jan Ditzian
Brian, Do you have a schematic on the web for this, along with the other technical details? It was only yesterday that I found myself wishing for this capability. Jan, KX2A I really miss extra programmable buttons on the K3. To remedy this, I created a "button box" that has 20 programmab

[Elecraft] K3 and Heath SB-610

2013-01-17 Thread Jan Ditzian
I have a K3-100 with KIO3 and KXV3, an Ameritron AL-82 amplifier, and a Heath SB-610 RF display scope. The SB-610 is currently able to monitor the K3 and AL-82 outputs during transmit, displaying either the sinusoidal output or an RF Trap. Has anyone used the K3 as an input to the SB-610 on r

Re: [Elecraft] K3 Macros in memory

2012-12-30 Thread Jan Ditzian
I would like to thank Dick and Iain for their help in resolving this problem. The answer is in the K3 Utility Help for Commands Macros, under "Macro assignment procedure overview." I also found that it is important to TAP for a tap memory and HOLD for a hold memory. I was uncertain about w

[Elecraft] K3 Macros in memory

2012-12-30 Thread Jan Ditzian
I would like help in programming the four buttons (M1-M4) that are in a circle at the right of the K3. I have the K3 Utility, and I have gotten it to label one of the buttons and to get it to set the power. The button labeled M3 appears to correspond to Macro 1. If I label it 10W, that show

[Elecraft] Audio volume problems

2012-07-17 Thread Jan Ditzian
The major audio volume problem turned out to be the one that N5GE mentioned--there was a crack in the knob, so fine that I did not see it until I used a flashlight directly on the knob. The folks at Elecraft told me to look, and there it was. I have new knobs now, all is well. I do not know w

[Elecraft] Audio volume problems

2012-07-08 Thread Jan Ditzian
I suddenly came up with several problems related to audio volume on my K3, MCU 4.51. I was listening on USB with slow AGC and I noticed that the volume would suddenly drop and remain low until I hit the T/R button, whereupon it would come back again, and then disappear. I switched to fast AGC

Re: [Elecraft] operating software for K-3

2012-03-02 Thread Jan Ditzian
I use Logger32 for logging and one-click QSY to DXCluster spots. Logger32 employs MMTTY or MMVARI for RTTY, PSK31, and other digital modes. It has a built-in telnet program for spots, plus CW and voice sending routines. It tracks a number of awards (DXCC, WAS, and others). It can output ADIF

Re: [Elecraft] K3: CW in SSB mode broken?

2012-02-02 Thread Jan Ditzian
CW works in SSB mode only if Vox is on because you have not used the PTT. This is exactly parallel to the procedure for CW, where you can only send without PTT by turning Vox on. Jan, KX2A __ Elecraft mailing list Home: http://mailman