Saul St John

• hfmodem hfmodem.ssj.lol

  An HF data modem for Winlink mail, VarAC chat, and signal monitoring.

• xwspr xwspr.ssj.lol

  WSPR tools for the Xiegu X6100.

• ThunderGate thundergate.io

  A toolkit for Tigon3 firmware development, DMA experiments, and PCIe research.

• milltender milltender.ssj.lol

  FitShow walking-treadmill control, session recording, and a local dashboard.