gnuradio-iridium (conda): gr-iridium is a GNU Radio out-of-tree module with a collection of blocks to build an Iridium burst detector and demodulator. It provides a sample application which can be used to detect and demodulate data from the Iridium satellite network. You should also have a look at the iridium-toolkit.
Keywords: gnuradio|gr-iridium|iridium-satellites|sdr