I am pleased to introduce Edgardo Doberstein.
He is a PPG pilot who lives in Puerto Esperanza Misiones Argentina. He is a webmaster, private pilot and a PPG constructor. He flies his home-made machine powered by a motorcycle engine. He wrote he has many other improvements which soon will be submitted to the Inventions Page.
Edgardo called my attention upon the fact that Raptor Designs PTY Ltd from Australia has many PTT circuits posted on their web site.
For your convenience you will find the circuits below. However, I strongly recommend visiting this interesting web site.
Hello to all, I hope that these PTT circuits will help pilots to adapt their helmets for Yaesu, ICOM and other radios.