This program reads data from the Software-Defined Radio (SDR) at a sampling rate of 2 Mega Samples Per Second (2MSPS) on a frequency of 1090MHz. It then demodulates these signals to look for Mode S ...

The P25 decoder state is logging multiple sub-second duration events per call and seems to be dropping and reallocating the traffic channel.

WASHINGTON--(BUSINESS WIRE)--Objective Interface Systems, Inc. (OIS) today announced that Communications Research Centre Canada (CRC) ported a complete APCO P25 waveform and Software Communications ...