There is plenty of published information on how to build common mode chokes (CMCs), but not much related to measuring their performance. This post details three such tests using a Nano VNA. If anyone is aware of additional tests which will shed light on a CMC’s performance, I’m all ears.
Continue reading Measuring Common Mode ChokesCategory Archives: Amateur Radio
Resetting a broken FLDigi install
My FLDigi settings got messed up, and could not identify how to reset it. I tried deleting what configuration data, and uninstalling then reinstalling, all to no avail. Thankfully a video by Stuart (AG6AG), pointed me in the right direction.
Continue reading Resetting a broken FLDigi installDigital Voice Keying a Kenwood TS-590SG from N1MM+
Getting voice digital voice keying (DVC) working between N1MM+ and my TS-590SG has been an elusive target, but after another contest without it, I decided it really was a bullet which needed to be bitten. The post will explain the vagaries of the TS-590SG, and why it’s not as straight forward as perhaps some other radios.
Continue reading Digital Voice Keying a Kenwood TS-590SG from N1MM+Resetting the Kenwood TS-590SG’s Audio Routing
Whilst experimenting with a software mixer, I changed the settings within the TS-590SG’s companion application, ARUA-10, which allows software routing of audio between the radio and computer. The titles are somewhat cryptic, so am documenting the default settings here, should they ever need to be reset again.
Continue reading Resetting the Kenwood TS-590SG’s Audio Routing