27 Mar
2014
27 Mar
'14
8:17 p.m.
"I bet (a small bet anyway) my cell phone carrier doesn't save receive frequency data accurate enough to determine what direction I am driving though."
You are probably right since the doppler shift is pretty small ( at least I hope it is :) ) on a cellphone. The satellite access is MA-TDMA so the burst timing and frequency offset need to be tracked. This is a useful performance metric when troubleshooting connectivity issues in a big network.
- Howie AB2S