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[ale] Wandering OT: Re: Car PC's and internet radio?



On Tue, 2007-04-17 at 23:27 -0400, Jeff Hubbs wrote:
> Again, my hypothesis suggests very infrequent, very low-bandwidth uplink
> transmissions.  Recall the handheld satellite phone and its power
> requirements in order to solve a much, much harder uplink problem.

Real, not Hollywood, sat phones are much much larger than the small
portable Sirus/XM tuners.  Much larger.

> There is no reason to assume that cell phones and a possible XM radio
> uplink use anywhere near the same frequencies.  Note that an airport
> concouse full of simultaneously running cellphones *are* in the *same
> segment* of the *same band* and manage to not interfere. 

I can drive by a tv station uplink and my cellphone has issues. ;-)

-Jim P.