27416Re: [coldwarcomms] Re: SF6 and power down the coax
- Apr 7, 2013On 4/5/13 6:34 PM, Robert Getsla wrote:
> The cable center conductor becomes hot from I squared R heating due toThe recently mention BSP notes 0.270's coax's center conductor was 10.2
> the low frequency current passing through it (powering remote amplifiers
> distributed along the cable).
ohms per mile, and 0.375 was half that.
So on L4, I^2R loss was 0.014 watts/mile per tube. On a 150 mile segment,
there would be 400v of IR drop, and ?74 or is it 75? repeaters at 24vdc
drop [if all 3 repeater types had that voltage Zener..] or 1800V; for a
total power segment drop of ~~2200V.
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