PE1RAH Ultra Small Linear Transponder for satellite, baloon or terresterial use

pe1rah · 2K views · 2009 · 6:12

Open on YouTube

Electronics & circuit designother

Why the open web links it

Demonstrates an ultra small linear transponder with improved AGC and battery protection for satellite, balloon, or terrestrial use.

Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including tu-dresden.de, utl.pt.