JS8Call on QO-100 SAT Narrowband – A complete frequency guide for S51SG
Recently, while working HF, S51SG asked for the operating frequency for JS8Call on QO-100. That sounds simple, but once you factor in LNB local oscillators, […]
sdr
Snake oil The promise of License free Off-Grid Comms
There are no shortcuts in Survival Radio
73
Julian oh8stn
#hamradio
SIGINT: Power & Bandwidth
When we’re thinking about SIGINT, excessive power and bandwidth are not conducive to a low-profile survival radio strategy!
Winlink VaraFM VaraHF Project
Hello Operators I recently started work on a long overdue Winlink project. The project is a gateway serving the Northern Gulf of Bothnia coastal region […]