Nate, I appreciate the thoughts. I've been blessed to be around some really nice broadcast sites, and one of the telco microwave sites, during my career, and I'm not sure which is worse...having a site attacked by the new "engineers" who only know card-swapping, having it attacked by bean counters, or having it attacked by meth addicts looking to resell to copper. I worked at a 10 kW broadcast station that had the ground radials ripped up one night by the druggies, while the site was hot. That's ambition!
The site I anticipate will have no tower, no building, therefore no "indoors," no halo, and improvisation will be required. Fortunately, also no AC line, likely solar on this one. I expect the challenge will be like the last site I had in Florida, where we had a building rooftop all to ourselves, but had to adapt to the extensive groundiing system built for the lightning rods using big, stranded, aluminum cables. I would disagree that anything used to short the stub would explode...I'm envisioning a cavity CNC'd out of aluminum billet. Certainly more meat than the path through a PolyPhaser. But - insurance underwriters love PolyPhasers, and there's always a reason. Regarding AC line being the biggest PITA lightning-wise, phone lines have to be ranked up there pretty high, too... 73, Paul, AE4KR ----- Original Message ----- From: Nate Duehr To: Repeater-Builder@yahoogroups.com Sent: Wednesday, May 12, 2010 1:13 AM Subject: Re: [Repeater-Builder] PolyPhaser, or Stub? I can only speak from experience here... - Tower grounds done correctly - Building entrance "panel" made of copper - EVERYTHING entering the building goes through the panel and through a Polyphaser - Overhead "halo" ground for all equipment indoors, and/or if you must, copper strap on a concrete floor - Cabinets grounded to the "halo" or floor system...
