Are there important differences between grounding and floating the antenna
ports? I have heard various opinions as to which is preferable and would
like to pose that question.
Subject: [Towertalk] Amertitron RCS8V Remote antenna switch
Users should be aware that this switch as it comes from the manufacturer
not GROUND unselected antennas. Nor does it GROUND antenna ports when it is
powered down. You must open the relay case and carry out a modification as
instructed in the operators manual. The mod involves soldering a short
from the center pin of the UHF connectors to a pad on the circuit board.
pad is the mounting point for one terminal of the changeover relay for each
antenna port and provides a ground connection when the port is NOT selected
also when the power to the relay head is turned off.
I recently acquired one of these switches from an estate sale and noted that
operator had not carried out this mod. He had been using the unit for a
of years with multiple coax runs that were "floating".
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