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

[Robert Meuser]

With that approach you get two channels, one on each side. :-)  Why 
petition?  They must just be spurious emissions per your mask.

R


Tom Bosscher wrote:

>    In My Humble Opinion, the IBOC/Ibiquity system is based upon a 
> "legal slight-of-hand". The FM IBOC masks are indeed inside the FCC's 
> mask as defined in 73.317:
> http://www.hallikainen.com/FccRules/2007/73/317/  (thank you again 
> Harold).
>
>    At the same time, anyone with the proper half of a brain knows why 
> the mask was put there, for occasional excursions into that area of 
> spectrum.
>
>    So here is my question:
>
>    I have a 4900 watt station right on my campus. I would like to give 
> the students their own radio station. My station is on 89.9 MHz. If I 
> inject a mono/stereo FM signal on 89.5, could I not run it 35 dB down 
> from my 4.9 KW? To be safe, I'll run 36 db down, or  around 1.22 
> watts. OK, I'll go with 1.0 watts. I know that I can easily cover the 
> campus with that. I would hope that the students' walkmans could 
> handle the 36 db signal 400 kHz away. Any reason why a person could 
> not petition for this to happen?
>
>    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.
>
>    I thinking of calling this FM cubed, for the three FM signals you 
> could have. And I'm also looking for investors, or a buyout!
>
>    tom bosscher
>
>
>  
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