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Jeff Liebermann Jeff Liebermann is offline
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Default Do you know where we can find the 3 key WiFi specs for the iPad?

On Sun, 02 Mar 2014 03:47:51 -0500, nospam
wrote:

In article , Jeff
Liebermann wrote:

The reduction in dropped calls on my friends AT&T iPhone 3G's was
quite real.


they probably added capacity, which they said they would be doing
because it was so horribly overloaded.


I used to track cell sites in the Santa Cruz county area. This is a
really old (2003). I have some spreadsheets and maps with current
cell site locations and capabilities:
http://802.11junk.com/cellular/index.html
The plan was to make an overlay of the coverage areas by vendor, but
that ended when I landed in the hospital for some major surgery. This
is the only map that I managed to do at the time:
http://802.11junk.com/cellular/jeffl/SVLY-PGE/index.html
See map at bottom of page. Since then, the coverage maps produced by
Radio-Mobile have been considerably better:
http://802.11junk.com/jeffl/coverage/VZW-water-plant/850Mhz-2watts-39dBu.jpg
http://802.11junk.com/jeffl/coverage/Boulder-Creek-Cellular/850Mhz-1watt-16dbi-15meters-3D.jpg

At the time (about 2010) there had been some growth in the AT&T system
in the downtown areas and along the major highways. It was not
spectacular. In the mountains, where I live, there has been no
changes in the AT&T system since about 2001. The biggest build was
the shared DAS system at the local university (UCSC). The sites are
at the telco CO's, on a few local hills, 2 small sites, and nothing
more. I can't find my spreadsheet with the locations or I would be
more specific. I think (not sure) that all 3 of my iPhone using
friends were in moderate signal areas, where they would not be
significantly affected by additional cell sites, but would be affected
by additional users.

2AM. Enough for tonite...

--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558