[Towertalk] bip/bop

[Mark Beckwith]

K7PUC asked:

> What the !%^&* is? [bip/bop]

I think I have this right:

BIP BOP is a coax switch abbreviation for "Both In Phase - Both Out of
Phase" referring to having two vertically stacked antennas.   I think
usually it's a 4 position switch.  The full name is:

"Top - Bottom - BIP - BOP"

or

"Upper - Lower - BIP - BOP"

This swich fairly obviously controls where the power is sent to the
combination of antennas - either to the upper one or the lower one or both
of them, either in phase or out of phase.  This is a total of four choices
for your two antenna stack.

Mark, N5OT