And to answer your original question...
Yes, RMS Relay is the store and forward component and RMS Trimode is the HF scanner (not VHF) for ARDOP, PACTOR and Vara HF. For VHF connections, use RMS Packet which in addition to AX.25 packet, also does Vara FM. Both RMS Trimode and RMS Packet work with RMS Relay. Support for these applications is on Google Groups:
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-Scott, NS7C
Scott Currie