GSM phones don't work in Tuolumne?


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Trad climber
Topic Author's Original Post - Jun 17, 2013 - 04:22pm PT
I have AT&T as service provider and my phone used to work in Tuolumne (around grocery store) until last weekend (06/15-16). I checked with others - no GSM phones work there anymore. Does anyone know what's going on? Is it temporary or permanent?

P.S. CDMA (Virizon and Sprint) seem to be fine...

Mountain climber
Anchorage AK, Reno NV
Jun 17, 2013 - 04:55pm PT
My gsm lte att phone worked up there a few weeks ago. No idea wassup lately.

Jun 17, 2013 - 04:58pm PT
I noticed the same thing. My ATT iPhone had been getting nice reception all spring, but No Service last weekend.
Greg Barnes

Jun 17, 2013 - 07:04pm PT
It probably rained.

The AT&T tower up there is infamous for going dead every time it gets wet. Usually back up in a few days.

Trad climber
Topic Author's Reply - Jun 17, 2013 - 08:16pm PT
Thanks, that really helps - I was already considering changing service provider. Generally, it looks like Verizon works much better in the park, right?

Jun 17, 2013 - 08:23pm PT
Why would Verizon work better in the Park?

Verizon has roam agreement in the park with the ATT cell tower.

If ATT doesn't work in the park then Verizon won't either.

They're both working off the same tower .......

Trad climber
Auburn, CA
Jun 17, 2013 - 08:26pm PT
Because Verizon is better than AT&T.....

More people are listening :-}
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