[FedCom] Re: P25 Digital For or Against?

[John Wilson]

Ty Logan wrote:

>Excellent explanation Dave! You gave everyone a clear and easy to
>understand difference in the "comms vs distance" argument regarding the 2
>modulation schemes!
>
>Keeping Dave's explanation in mind, and going a step further, that's the
>reason the cost of a "digital" system is so much higher than the cost of
>a comparable "analog" system, there is more infrastructure (read:
>repeaters and/or receivers) required to maintain good comms over the same
>given area. If you need an example, look around at how many cell towers
>there are in your neighborhood, I think you will agree, there are many
>more now, than when analog 800 MHz cellular was the only game in town!
>
>
>
>Ty Logan
>scaner_dude
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>
>  
>
   You're mixing 800 mhz. cell operation with 1800-1900 mhz. PCS cell 
operation.  PCS  LOS signals do not have comparabile ground wave 
coverage area as 800 mhz. signals.  That's why you see more PCS towers.