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echo: scanners
to: BLAIR THOMPSON
from: TOM WALKER
date: 1998-02-14 10:08:00
subject: Re: Scanner expectations

BT>   Seeing that RS was clearing out its PRO-67 scanner for $US150, I bought 
o
BT> this afternoon. Though I use my scanner for general scanning, it is 
especia
BT> important for me that it perform well in the railroad frequencies. I have 
r
BT> in many reviews that some RS scanners, especially the PRO-60 and the 
PRO-64
BT> are subject to a lot of pager interference around 161MHz. An online 
review 
BT> the PRO-67 did not mention this, but I have found that I get some anyway.
BT>  My question is, what should I expect for the money? Is NO interference a
BT> reasonable expectation, or is it inevitable that something will break 
throu
BT> I'd appreciae hearing anybody's comments.
 Well we live in an RF saturated world. anmd at times even the MOST 
xpensiave
reciever can be overloaded by close high power transmiters. Past Triple 
Conversion and perhaps band pass filters for some narrow area of interest 
there is little that can be done except get away from the interfering 
transmitters. Hams as an example have a terriable time in Heavy Metropolitian 
areas with paging services on 2 meters. Luckly the 2 meter band is perfect is 
width fro a band pass filter and at times they are froced to use them. 
Interference also is partialy a side effect of our desire fro DC to Light 
Recievers. the Wider teh Recieve range the more susciptable front end 
overload. Particualrly in a Hand Held unit.
--- GEcho 1.00
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* Origin: 9-1-1 FF's LEO's OSHA COMMS (619) 669-0385 (1:202/911)

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