And this: International Radio Network (IRN) uses Teamspeak 3 software to implement PTT radio systems internationalradionetwork.co.uk#hamradio
Rapid surface mount prototyping by @bml_khubbard blackmesalabs.wordpress.com/2017/12/03/bml… “0.050 inch pitch vias line up perfectly with SOIC ICs, SOT-23s and 0603s passives but for whatever reason proto boards with 0.050 inch pitch don’t really exist. Black Mesa Labs aims to change that.”