codec2 talkieTurn your Android phone into Codec2 Walkie-Talkie (Bluetooth/USB/TCPIP KISS modem client for DV digital voice communication)
antenna analyzer vnaPocket Arduino Nano based graphical SWR 160-6m bands panoramic VNA antenna analyzer based on AD9850, AD8302 and SGA3386
TDoATime difference of arrival (TDoA) multi-lateration