----[Please read http://ercoupers.com/disclaimer.htm before following any advice in this forum.]----I don't know squat about formulas so my input is more practical.
I have tried once to use the cell phone in the air at about 2500 agl and couldn't get a signal. This was in the midwest where it was pretty flat. On the other hand, I have used the cell phone at the top of a 22 story building in the midwest, glass on all sides, where I could actually see several cell towers and there were probably a lot of them within line of sight. I would think that the phone would reach out and touch several towers at once from that building, but it never seemed to be a problem for me. I have trouble thinking that being up a lot higher would create any other type of problem. I would also think that there is an optimum height from which the cell phone will reach a tower because of the limited power of the cell phones.
I know of one professional pilot that won't call out on his phone when in the air, but he does answer it in the air. He generally fly's a King Air. I don't think answering is any different than calling out. Does anyone else have a story about people they know that have used their phone in the air with or without problems?
On another note, Spook, would you try to contact me at [EMAIL PROTECTED], please. Thanks.
Ken Doyle
Deland, Florida
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