1/6/2023 0 Comments Dv4mf2 software new featuresSystem Fusion is Yaesu's answer to Digital Voice which is openly documented in 2013 and has been in levels of operation for ~1.5yrs now C4FM : Continuous Four Level Frequency Modulation – A type of 4FSK / FDMA This is the same mode used in P25 Phase1 used by Emergency Responders but the higher layer framing isn't compatible FM envelope uses 12.5Khz BW (narrow FM) Uses DVSI AMBE chip used in DMR & P25 but newer version than D*star – patent encumbered P25 Phase2 uses CQPSK instead ![]() ![]() Amateur Radio licensed since KI6ZHD Degree in Computer Engineering Been using computers since the Z80 days - Epson QX10 / CPM and been running Linux since installed from 14 floppies! Author of several Linux documentation sets: IP Masquerade (NAT), TrinityOS (entire system administration), SANS Linux Security - Step by Step* and recently the Centos HamPacket suite My bent on Ham Radio? Digital HF modes, SDR, Packet Radio with Linux
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