Don't just take your personal observation as the "fact."

送交者: steven 于 2008-03-31, 14:51:10:

回答: 没可能啦，飞机起飞后手机是没信号的由 deadmeat 于 2008-03-31, 14:16:56:

You need to learn more about the subject. If you are somewhere like Midwest, or Southwest, you look down and only see empty land, there is no cell tower there, and you won't get anything. However, if you are above a reasonable size city, you will see cell phone signals.

所有跟贴:

你说cell planning是不？ - deadmeat (178 bytes) 2008-03-31, 15:01:22 (214743)
- Iridium handsets talk GSM, and the satellites move way faster than 800km/h. - steven (480 bytes) 2008-03-31, 16:01:27 (214769)

加跟贴