My new tower will have three 4-el SteppIRs, three TIC rings, a T2X, a stack match and an SO2R switch box. That comes to 96 control wires. Since the tower is over 200 feet from the shack, it's best to
WOW, they certainly have gone up in price! The RCT is now $99 at AES. But you will need 12 of the 8 wire RCTs, so that is $1200. Let us know if you find a cheaper alternative. Thanks. 73, Keith NM5G
No, I'll need 24 of them -- one at each end, tower and shack. _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesti
Dick: I found a few white papers on how the Polyphaser, ICE and Delta lightning supressors work and posted about it: http://lists.contesting.com/archives//html/Towertalk/2006-03/msg00548.html . Enjoy
Why not put all the electronics out at the antennas, and just send ethernet or serial data out? At first it seems a bit weird, but by the time you buy 200 ft of 100 wires, and all the connectors, sup
Go to Mouser or anyone else that sells large MOV's. Buy a bunch of them. Put one to ground on each control line. That is ALL that there is in the Polyphaser rotor protector box. Keep in mind that the
That's overkill IMHO. Keith No, I'll need 24 of them -- one at each end, tower and shack. _______________________________________________ _______________________________________________ TowerTalk mai
Not a bad idea for a single array, but probably not physically practical for the complex system that will be hanging off my tower. All of the controllers can be operated via RS-232, so that's not the
Now that IS overkill. You're only trying to keep the lightning transients out of the house so you only need them at the building entry where your Single Point Ground System connects everything. I wou
When/who was reporting that a metal conduit would act as a lightning choke for cables running inside? 73/k5gw In a message dated 9/27/2006 11:30:03 A.M. Central Daylight Time, K7LXC@aol.com writes: N
for cables running inside? You mean like a Farraday shield? That might be helpful but it still won't keep the transients outside the house. Cheers, Steve K7LXC TOWER TECH ____________________________
Several people have responded saying I don't need suppressors at both ends. I agree that the critical place to put them is at the shack end. My reasoning for putting another set at the tower is that
-- Those ICE articles on how their units work seem to have some misinformation. When lambasting the competition they make this statement: "The use of a gas discharge unit as a sole-source mechanism f
FWIW, I had a 350' run to my towers in Illinois. I had over 60 control wires in a PVC pipe and also various runs of hardline, including 1 5/8. I only used Polyphasers at the house enterence. My talle
I agree with you Jerry. What they fail to disclose is the amount of energy that is being dealt with. If the "propagation slows down via the coax" that doesn't change the amount of energy that has to
..."Their use of a coil across the line is also questionable."... -- Now that you mention it, I may as well give you the answer. I don't know the value of the inductor they use, but a little circuit
I measured one of their ICE 303 units years ago, and the inductor was 44 uH. 73, geo - n4ua waveform -- This message is for the designated recipient only and may contain privileged, proprietary, or o
The inductor core in the ICE suppressor saturates due to the low frequency components of a surge and becomes a short circuit, thus relieving the gas tube of much of the current. That can happen befor
Re-printed by Dover in 2002, in paperback for a low cost edition <http://store.doverpublications.com/0486425525.html> and the Ronald Standler's web page about the book, <http://www.rbs2.com/peco.htm>
In suppressors intended for VHF these inductors can be made to work because the inductor can be much smaller. However when applied to operation at 160 meters there is a problem getting the inductor i