EAM over 325.400MHz, very weak sig, callsign started with R, something like Rasp Eater, 1800Z. Neacp/tacamo/glass flight burning mux on 383.550MHz 1816Z 20JAN18
Pretty sure they're sending short message fsk KG84 traffic on the orderwire pair. Don't recall fsk in use on Northstar before but they can send any mode they have the modems for, i imagine most mil modems have fsk as well as support for KG84 devices.