I'm wondering what commercial practice is re surge arrestors?
I note the max power ratings for DIN connector arrestors is 250 watts at
least at Tessco. Many are frequency selective. PolyPhasers claim 2500
watts 1.5MHz to UHF.
With top and bottom tower bonding to a ground rod grid and 125' to tower
in a trench with the shack entry plate feedthrough grounded to a 200'
perimeter footing Ufer, to center pin arrestors do anything useful?
Tower and trench coax is all DIN terminated hardline, so it would make
sense to connect to a DIN connector arrestor (if useful), but no such
QRO animal seems to exist.
Grant KZ1W
On 8/5/2015 17:35 PM, Steve Maki wrote:
Well yes, surge arrestors *usually* are M-F, but usually get attached
directly to the main line, so functionally you end up in the same
condition.
But point taken, there are exceptions to every rule. I find it easiest
to go F-F on main lines, and do what I need to do on the ends.
-Steve K8LX
On 8/5/2015 8:27 PM, J. Hunt via TowerTalk wrote:
Sorry - not quite correct.
PolyPhasers have both M and F connections, not all " Peripherals and
end devices (radios, wattmeters, switches, baluns,
antennas, etc.) all have female panel connectors" - I have seen both.
So please plan ahead of your entire installation plan.
I have several runs of Andrews Heliax. Not all the runs are
terminated the same...
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