Tagged “Raspberry Pi”

22/06/2026

How Low Can You Go?

Decoding at 48, 8 and 4 kHz from the same raw IQ. Quality, compute saving, and disk saving measured.

11/06/2026

Decoding Weather Fax Transmissions with Ilma

Ilma is a NAVTEX, RTTY, and WEFAX decoder for sailors written in Python running on the Raspberry Pi.

03/06/2026

Ilma, a Navtex Decoder for the Raspberry Pi

Turning noise at 518 kHz into navigational warnings: FSK demodulation, matched filters and SITOR-B forward error correction, on a Raspberry Pi that listens unattended at sea.