> Mike Morris WA6ILQ <[EMAIL PROTECTED]> wrote:
> I remember reading an article several years ago about a problem 
> with LTR...

It's a "reported problem"... and it's easily detected, prevented 
and dealt with when found.  The "reporter" was someone doing a 
sales pitch for the Passport Format. 

> Joe's trucking goes out and buys time on a trunked system and 5
> radios, then has one of them cloned into 10 more. Trunked operator 
> now has 15 users and Joe is paying for 5 plus airtime. 

Every trunking format can have trouble.... even the mighty Motorola 
systems.  There was a guy in the LA Area loading people onto various 
systems until he got caught, sued and ran out of town. Then he 
moved up here to Northern California and tried it again... and got 
caught again.  He's now living outside the US... go figure. 

> The article mentioned an extension to LTR called (if I remember 
> correctly) Passport that would prevent this - the ten extra 
> radios wouldn't work.

Passport is a specialized Trunking format available only from 
Trident. It's intention is pretty good, it's real world application 
is not so easy. It allows roaming as various versions of LTR are 
starting to do.  The hardware costs big, big, big bucks. 

> Just mentioning it so you can include it in your research.

Worth knowing about at least... 
cheers, 
skipp

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