I have a K3 with the serial number of 73, so I assume it was a very early one. Is there a way to know if this was in the first batch produced? Or when it was build? 73, Don K9AQ

Starting to setting up my remote / control positions, A question ... Is it strictly necessary to connect +12Vcc to the control head or, only with the voltage provided by the RCC is enough? In the inst

Maybe I missed it but when installing a filter into a K3, how do you adjust the Frequency Offset and Gain if the filter has no markings on it? I seem to recall an earlier K3 I purchased had these boxe

OUTPUT INTERMITTENT. ZERO OR FULL PWR

Hi I have used my K3S earlier with the USB cable to WSJT. Not I cannot connect the K3S via USB cable to WST or JTDX. There is not CAT. The CAT is working in Win-Test for CW and SSB. Can anyone help me

I have an ultra-rare INRAD 700Hz filter for the K3/K3S from the special run in 2013. $160 shipped (US). If interested, please respond to me directly (lladerman AT icloud DOT com). 73, Lou W0FK

Today I recorded a basic CQ call on M1 with my K3. When I played it back, it was more or less uncopyable...longer spaces were showing up, among other things. So a 4 became H T. Even the decoder on the

Hi Folks, There is some chatter to bring back the 5B4AGN 6 Band BPFs and Single Band Unit kits. I have offered to help set this up (KK1L 2x6 antenna switch experience). I'm guessing most people have w

After FD I figure I can use a narrower CW filter. Looking for KFLA3A-250 or Inrad #7088 CW filter De KG9H

I’ve been running WSJT-X for a few years. This morning, I started to call a station, realized I had WSJT in F/H mode, and hit Halt. It stopped alright, but now the rig is unresponsive on the USB line.

I need a RRC-1258Mk11s to use on my K3, anyone?

Anyone take a guess at what these data bursts are on 20m every 30-40kc. Sounds like a swooshing noise on ssb. On some other bands also. 73 Mike R KE5GBC 7! Absolutely Awesome

My friend K4BAI is having a problem with his KPA1500. A couple weeks ago he heard a pop. At the time he wasn't even transmitting. It was just powered on. After that point it wasn't putting out any out

Unwanted accessory. Does not include the FM filter. I'm travelling to Friedrichshafen tomorrow if it helps anyone. £300 cheers, Tel/G4MKP

I’m hoping someone on the reflector can tell me what I’m missing. I want to use my K3 with N1MM+ to play voice keying and record on-the-fly. I have found and successfully gone through a few different

I recently picked up a K3 and have been trying to set it up for digital use using a Signalink USB and WSJT. I have the Signalink connected to the real panel of the radio using the line in, line out, a

I recently picked up a K3 and have been trying to set it up for digital use using a Signalink USB and WSJT. I have the Signalink connected to the real panel of the radio using the line in, line out, a

I also have this issue. Have ordered a replacement DSP board through eBay. I tried replacing the audio amp IC, and the CODEC.. no bueno. The problem seems to come over time. I can listen to a strong s

I have a spare KBPF3 broadband band pass filter available $220 mailed to your door US only Steve W9HBH w9hbh @ arrl.net

Hi Guys, I am just about to purchase a Elecraft K3 and with it now being End of Life so to speak I was wanting to know what else I can install in the unit once I have it and while our local supplier s