Several people have asked about my beverage switching scheme.
I send a different DC voltage down the coax for each antenna
and have a circuit at the end that detects the different
voltages with comparators and activates an RF relay to select
an antenna. I have posted an article about it at:
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
TowerTalk mailing list