I purchased 3 of these radio's recently at the Nearfest ham radio show in NH, 2 are complete and appear to be working, one is a parts radio, missing the antenna and a broken on/off switch.  It appears they were designed to operate using commercial satellite subscription service for DoD using the Iridium satellite array.  I am asking if anyone is or knows of someone familiar with these specific radio's to see if perhaps it is possible to program them for LOS radio to radio use ?  They would make a great display at an event, even more so if you could talk radio to radio.
https://www.l3harris.com/all-capabilities/ro-tactical-satcom-radio
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Thanks for looking.
Mark
K1HF