2.3.0https://modem73.appChangelogNew Ranked CSMA: Turn order derived from 2-FSK station presence tones and beacon, 3-7x faster turnaround on nets where every station can hear every other one. Useful for simplex VHF/UHF, HF NVIS nets, and repeaters.CSMA settings reorganized into THRESHOLD / SYNC / RANKED modesShareable copy & paste config token under Config for easy setupsFast Floor option for shorter Sync waitsPopulation adaptive contention windows in Sync CSMA mode, sized from how many stations have been heard recently based on the lead toneRIG frequency presets when rigctl PTT is enabledTX delay is now configurable from the Config tabTUI fixesAll stations must be on 2.3.0 to make use of these new featuresSee the README for building from sourceOn Windows? Experimental Windows build: https://github.com/RFnexus/modem73-win/Which one do I need?Raspberry Pi (Pi 5, Pi 4, Pi Zero 2 W) running 64-bit Raspberry Pi OS: Debian 12 or 13 arm64Raspberry Pi on 32-bit Raspberry Pi OS, or Pi Zero / Pi 1 / Pi 2: Debian 12 or 13 armhfRegular desktop or laptop PC: amd64 (.deb) or x86_64 (.rpm / Arch )Not sure? Run uname -m: x86_64 --> amd64/x86_64, aarch64 --> arm64/aarchTip: press Ctrl+F to search this page or the Assets list below for your buildDebian / Ubuntu / Linux Mint / Raspberry Pi (.deb)Install with apt so dependencies resolve automatically:sudo apt install ./modem73_2.3.0__.debDistroamd64arm64armhfUbuntu 24.04…_ubuntu-24.04_amd64.deb…_ubuntu-24.04_arm64.debUbuntu 22.04…_ubuntu-22.04_amd64.deb…_ubuntu-22.04_arm64.debDebian 13 (trixie)…_debian-13_amd64.deb…_debian-13_arm64.debDebian 12 (bookworm)…_debian-12_amd64.deb…_debian-12_arm64.debLinux Mint 22…_linuxmint-22_amd64.debXiegu X6100 (Armbian)…_armbian-x6100_armhf.debRaspberry Pi OS is Debian based: use the Debian 12 (bookworm) or Debian 13 (trixie) release, arm64 for 64-bit and armhf for 32-bit.Fedora / openSUSE (.rpm)# Fedorasudo dnf install ./modem73_2.3.0__.rpm# openSUSE Leapsudo zypper install --allow-unsigned-rpm ./modem73_2.3.0_opensuse-leap-16.0_