GSM Power Control

[Mike Montour]

Joel B. Land wrote:
> Is the phone’s GSM modem doing power control?
> [...]
> I can change the received field strength (rxlvl) by moving in and 
> outside, but not the txlvl. 
> This because the power is always the same? 

The phone's actual transmitted power level does change - I tested this 
in the past while looking at the "gsm buzz" problem:

http://lists.openmoko.org/pipermail/support/2008-August/001121.html