That's overkill IMHO.
Keith
-----Original Message-----
From: Dick Green WC1M [mailto:wc1m@msn.com]
Sent: Wednesday, September 27, 2006 10:03 AM
To: 'Keith Dutson'; 'Tower'
Subject: RE: [TowerTalk] homebrew low voltage surge suppressors?
No, I'll need 24 of them -- one at each end, tower and shack.
> -----Original Message-----
> From: Keith Dutson [mailto:kdutson@sbcglobal.net]
> Sent: Wednesday, September 27, 2006 10:54 AM
> To: 'Tower'
> Subject: Re: [TowerTalk] homebrew low voltage surge suppressors?
>
> 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
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Dick Green WC1M
> Sent: Wednesday, September 27, 2006 9:36 AM
> To: Tower
> Subject: [TowerTalk] homebrew low voltage surge suppressors?
>
> 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 have a
> surge suppressor at both ends of each wire. I used Polyphaser RCT
> surge suppressors for my other tower, but the price has about doubled
> since I did that. I'm looking at close to $3,000 worth of RCT surge
> suppressors. Besides, the RCT mounting hardware is really designed to
> clamp to a tower leg and I'll be mounting the suppressors on ground
> panels inside metal NEMA boxes. I've done that before and wasn't real
> happy with the result. Even if I go with the ICE units, which have
> better mounting, the cost will be quite high.
>
> So, I'm wondering if anyone has seen or designed a homebrew low
> voltage surge suppressor circuit? My understanding is that it takes
> more than just low voltage MOVs. You need series inductance and/or
> resistance and a diode.
> I haven't found anything appropriate on the web. Can someone point me
> to a schematic and/or tell me how they did it?
>
> 73, Dick WC1M
>
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