Thetis PY2ECM v2.10.3.16 Beta 1 for Hermes Lite 2 / HL2+ (with WDSP 2.10)

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Eric Camerato

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Sep 28, 2026, 12:18:54 PMSep 28

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Hello everyone,

I’m sharing an experimental Thetis build for Hermes Lite 2 / HL2+, based on the final MI0BOT Thetis HL2 v2.10.3.15. This is a PY2ECM modification, not an official MI0BOT or upstream release.

Beta 1 includes WDSP 2.10 with NR5/NR6 (NNR), an NNR settings tab, CAT and MIDI2CAT support for NR5/NR6, PureSignal 3.0 integration, additional per-band PA Gain settings—including 11 m around 27 MHz—and per-mode NR, AGC and ANF settings. It also mutes RX audio briefly during DIGU/DIGL transmission on HL2 to reduce transition noise.

The release includes an x64 MSI, a portable ZIP and SHA-256 checksums:
https://github.com/ericcamerato/OpenHPSDR-Thetis-PY2ECM/releases/tag/py2ecm-v2.10.3.16-beta1

Please back up your Thetis databases and profiles before testing. Start transmission tests at low power, check PA Gain and PureSignal calibration, and report any issues with your radio, audio setup and steps to reproduce. This beta expires on 25 December 2026.

Many thanks to MI0BOT and the Thetis/OpenHPSDR contributors, and to Luis Antonio Villas Boas (PY5VB) for HL2+ testing.