Prolonged PTT 

Seriously? This is where two stream clash. I was learning about PTT (Push to Talk) wireless communication and I ended up in a medical PTT. God bless all medics from the Ham Radio Society.

Good ..Informative..If possible make voice bit high volume

Loved it….this is perhaps the 3rd or 4th time I’m revisiting your videos for revision.

What's full form for act??? Great videos love the color coded explanations!!

Perfect simple easy to understand Thanks

❤

Amazing video, thank you Katie!!

Nice video

Katie