[BC] IBOC "secrets" and now, FM Cubed

Mark Humphrey mark3xy
Sat Mar 24 17:56:20 CDT 2007


On 3/24/07, Tom Bosscher <tom at bosscher.org> wrote:

>     What about those Class C's in Dallas, Fort Worth, running 100 KW
> around everyone? They could have another legal signal, +/- 400 kHz at 36
> dB down, which would be around 25 watts. While they would not have much
> building penetration, that 25 watts would go quite a ways.

According to the FCC curves, 25 W at 600 m HAAT would provide roughly
the same 60 dBu coverage as 1 kW at 100 m, and would greatly exceed
the limit of an LPFM station, not to mention most translators (some of
which have recently sold for over $100,000.)

Mark


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