Over reliance on GPS ?

[Tom Azlin N4ZPT]

As the providers have shifted to ip trunking has the timing requirements 
relaxed?  Back in the days of SONET on the backbones all had to be timed 
very accurately I thought. But not any more???

73, tom n4zpt

On 3/9/2011 9:26 PM, Chip Fetrow wrote:
> I think you mean base stations.
>
> Many digital networks are timed via GPS. I was in that industry, and
> Nextel was sort of first as some cellular providers were going D-AMPS
> (TDMA) and Verizon and Sprint went CDMA. D-AMPS providers went to GSM
> (also a form of TDMA) which is also very dependent upon timing, or time
> slots. They also use GPS.
>
> --chip