[time-nuts] GPS from a window seat

d.seiter at comcast.net d.seiter at comcast.net
Sun Oct 4 07:01:31 UTC 2009

It's so nice that they allow pacemakers "all the time"! I'd hate to think people would have to turn them off for flights... 

Why the ban on AM/FM receivers? 

----- Original Message ----- 
From: "Thomas A. Frank" <ka2cdk at cox.net> 
To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com> 
Sent: Saturday, October 3, 2009 1:31:08 AM GMT -07:00 US/Canada Mountain 
Subject: Re: [time-nuts] GPS from a window seat 

> saying angrily "using a GPS on a 
> plane is illegal". 

Nonsense...unless their own rules prohibit such use, in which case 
you are legally obliged to comply. There is no blanket (ie: 
government) rule against them. 

It is up to the airline; in the past year I've flown a number of 
different airlines. Some said in their in-flight magazine that GPS 
use was allowed, others said it wasn't, and some didn't say anything 
at all. 

For example, Southwest airlines specifically allows the use of GPS 


US Airways implies they're OK, but is not explicit: 


Either Jetblue or United prohibit GPS', but I cannot find anything on 
their websites (they are the other two airlines I've recently flown, 
so it's one of them where I saw the prohibition). 

No rhyme or reason to it at all. 

Tom Frank, KA2CDK 
(frequent flyer...and gadget user) 

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