I tried to run just 24V up on a big cable, then my components started
failing.  Had to switch back to 48V with a DC to DC converter (the
converters are awesome filters !!).



On 1/25/06, Rick Harnish <[EMAIL PROTECTED]> wrote:
> We just had to do a revamp on a cell tower that added a new client (7000
> watt FM station).  Our radio's were tower mounted in a fiberglass/poly box
> with 120v AC and outdoor ethernet running up to it.  We had to build a new
> metal enclosure, ran shielded ethernet in conduit and put ferrite beads
> around the power leads.  Still had a problem and ended up running fiber up
> the tower and put a RF isolator on the power leads.  Went with an aluminum
> fan filter (grounded to the box) and pulled the ethernet out of the box
> entirely.  We are now cohabitating nicely together although there were a few
> tense moments in the last month.
>
> Rick Harnish
> President
> OnlyInternet Broadband & Wireless, Inc.
> 260-827-2482 Office
> 260-307-4000 Cell
> 260-918-4340 VoIP
> www.oibw.net
> [EMAIL PROTECTED]
>
>
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of chris cooper
> Sent: Wednesday, January 25, 2006 8:03 AM
> To: 'WISPA General List'
> Subject: RE: [WISPA] FM tower co-location
>
> Isolate/shield everything.  Wrap your radios in mesh if they are up with
> the FM antennas.  Make sure there is a clear understanding of when you
> are able to climb vs. when the will agree to turn down signal.  You may
> not be able to climb until after midnight etc.
> Oh yeah- when your eyes start to feel like crinkly cellophane it may be
> time to get lower.
>
> chris
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> Behalf Of Chadd Thompson
> Sent: Tuesday, January 24, 2006 9:06 PM
> To: WISPA General List
> Subject: [WISPA] FM tower co-location
>
> Curious if anyone here has co-located on an FM tower? If so care to
> share
> your experiences?
>
> Thanks,
> Chadd
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