[Elecraft] KPA500: How to troubleshoot distorted audio

2015-05-03 Thread Jim Hooper
Hmph. My 3 month old KPA500 with my K3 and KAT500 had been giving me “outstanding audio” reports when first put into service. But something changed and I don’t know what. I am now getting distorted audio when I turn it to operate from standby. Could not use it for my casual

[Elecraft] K3 VLF Mod Trials, Tribulations and My Results

2015-05-03 Thread Jim Sheldon
As most of you know, a couple days ago, Wayne talked about a mod to improve the VLF sensitivity of the K3 after the KSYN3A synthesizer installation. I volunteered and he sent me the information on what parts were needed and where they went. After finding out that I didn't have the right

[Elecraft] OT: North GA Chapter 10-10 International Frequency Change

2015-05-03 Thread Ian - Ham
All, Effective next Sunday, May 10, the North Georgia Chapter of 10-10 International Net will meet at 1930 UTC (same time as always) on 28.410. The purpose of moving to a new frequency is to give Technician-class operators the opportunity to join us and gain HF experience. Anyone who wishes to

Re: [Elecraft] OT: Receiver or converter for VLF reception?

2015-05-03 Thread Jim Miller
With the increase in atmospheric noise as the frequency goes lower even in a quiet rural setting I suspect the new proposed mods will be sufficient. Note that both bands are pretty narrow best served by narrow modes the widest of which will likely be CW. PSK31, PSK64, JT65 or the newer JT9 would