World’s First Mobile Phone (1922). Found by a researcher in the Pathe vaults, this clip from 1922 shows that 90 years ago, mobile phone technology and music on the move was not only being thought of but being trialled. Reported in the Daily Telegraph, May 2010.
We believe this clip was shot in New York.
ACOM Company Tour ACOM Company Tour. HF power amplifier production - ACOM 1010, ACOM 1000, ACOM 700S, ACOM 1200S, ACOM 1010, ACOM 1500, ACOM 2100 and ACOM 2000A.
HAM Radio Q&A httpvh://youtu.be/paoYN2auGEU
RF Ground and Ground Planes - Ham Radio Q and A Episode 4
Today we talk about the RF ground, what it is and when it’s necessary. The purpose of the RF ground is to act as a reflector....