I was only referring to the modification for early k3 https://ftp.elecraft.com/K3/Manuals%20Downloads/E740287%20KPAIO3MDKT%20Instructions.pdf Don

Two things I can think of. There was an additional capacitor accidentally installed on some 100 watt PAs that caused an oscillation look at Elecraft website for serial numbers that needed the

I would Adjust the Power Out Level to see if it changes. Ray WA6VAB

"Noise pedestal" applies to K3 or K3S with the new synthesizer. My K3 is old in the 2k series with the original synthesizer. It turned out that my signal was 40 KHz wide, with spurs every 700 Hz.

Ignacy Search this forum for "CW Noise Pedestal" and read that thread. In the thread is a link to a modification for K3 that added a capacitor to the fans that "could" be your issue". Cheap

Check K3s line output level Ray W8LYJ

Today I was calling D2EB on 3521. Several hams wrote that my signal was S9 signal on 3524, a frequency of 9J2LA. I captured the signal by SDR-IQ. The spurs at about -40 db are about 4 KHz wide. What

Make sure you're using the right sound device, but also turn the volume up on it in the audio control panel *for the usb audio codec device* as you watch the waterfall. I've noticed with recent

Oh, I also need to mention that my radio is a K3 with the KIO3B upgrade. Radio connects with a single USB cable. CAT and Audio CODEC work fine. 73 Tom WH6EBS

Hi Jim, I suggest you check the Config - Audio Card settings in Fldigi. From your description it seems like Fldigi is not listening to the correct device. I am running Fldigi successfully on a 2019

Hi folks, Can anyone help with getting fldigi waterfall to appear? I'm using a 2019 iMac, Catalina fully upated, with a K3S and trying to get fldigi to work. However, I get no waterfall and the signal

Figured it out. I was misled when LSB switched to CW on transmit. I forgot that was normal. Actual problem was that compression was too high.

There is a major net on 7283.5 with over a hundred checkins at the same time. 7280 was clear. Jim W6US

Using K3 twins with RemoteRig. It’s been setup for years. Just got in the mood to turn it on. Works FB on CW. Transmit audio is a new problem. With or without mic plugged in, as I advance mic

That should be more reliable than 20M. John WB5THT K3S, KPA1500

Please join us each Sunday at 1845z on 7.280 +/- This follows the Elecraft SSB 20 meter net at 1800z, 14.303.5. Last Sunday we had our first meeting with nine check-ins. Net control is WM6P,

Issue resolved I was using color code on K1EL jacks. to install PTT and KEY inputs. Red on Red and White on White. Seemed logical but....That was wrong. Reversed plugs and all is well. Thanks for

While K1EL keyer chip in your keyer? Have you checked the configuration to make sure you have not swapped the PTT and key Output (assignment of pins 3 and 5 - from memory)? Swapping those two would

Jim If it helps I have had a K1EL keyer chip fail on me. My keyer version uses the DIL device so I just ordered a new one and has worked every since. If you have a battery installed

Did you turn on your VOX? Ed.. AB4IQ