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=== RTL-SDR Blog (2026-10-29) === * '''Link:''' https://www.rtl-sdr.com/simtx-a-multiplayer-shortwave-radio-simulator-with-realistic-propagation-and-rtl_tcp-support/ * '''Summary:''' Short news post introducing SimTX as an open-beta multiplayer shortwave simulator in which all users share one simulated band. It lists the propagation stack (IRI-2020 with live ionosonde data, ITU-R groundwave and noise, Watterson fading), the transmit sources (mic, audio file, GNU Radio IQ), the supported modes and the virtual satellites. It highlights the local rtl_tcp bridge that lets SDR++ and similar programs tune the simulated band. * '''Notes:''' States that the software does not appear to be open source. Embeds the official demo video (Amsterdam to Budapest, 1145 km). This post is the source for the TechSpeeltuin brief below.
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