Tactical_FSK_Modem: An Open Source MFSK Image & Text Modem for PC and Android

Thanks to Ibrahim (YD1RUH), who wrote in to share his open-source project Tactical_FSK_Modem, which turns a standard PC or Android device into an audio-based MFSK transceiver for sending images and text over a radio link. Conceptually similar to SSTV or HF FAX, it adds Hamming (7,4) Forward Error Correction that wraps every 4 data bits […]