Low band radios (Was: Re: [Motorola] Talk About

Sun, 17 Mar 2002 17:40:48 -0600

yes, Illinois State Police...the 780 works very well, however, they are not 
completely running simplex...Mobile and Base have different 
freqs...  (www.umr.edu/~kcechura/scan/isp.htm)   I will probably use the 
MICOR speaker(s) but i am trying to find a small audio mixer of some form 
(a friend of mine is designing one for himself, but progress is slow on his 
project...work first, fun second)...as I have 4 or 5 radios in the 
truck.....id rather not have that many speakers :)

My original question was: Does anyone know what sort of radio the Illinois 
State Police are using for their low band mobiles?

At 06:01 PM 3/17/2002 -0500, you wrote:
> >
> >it was on the 42 MHz  ISP low band system....  I was using a BC-780 XLT
> >with a Motorola speaker (MICOR vintage, i believe, for this particular
> >unit, although i am considering going to some of the older ones i have
> >here...MOTRAC vintage...they look neater...but are more difficult to mount,
> >the way i have my truck set up)....I know it was direct...  I have been
> >playing with programming setups for the 780....  tyring to find what works
> >best for I-55 through IL....  (I can hear a couple of counties for about
> >3/4 of the trip....think they might be using a bit more power than they
> >need to)
> >
>
>ISP = ?  I'll guess you mean Illinois State Police.
>
>Scanners aren't too bad today for audio quality.  My first scanner
>was a Regency.  Audio was so bad that after a couple of hours of
>monitoring I couldn't stand to listen to it and got rid of it.
>A real mobile (i.e., Motorola) would probably be better.
>
>I use external speakers on my mobile radios even if they have an
>internal and on my scanner at home.  You might want to compare the
>sound of the MOTRAC speaker to the MICOR style speaker before installing it.
>I think the MICOR is better.
>
>High power is common on low band.  A state police system is probably
>trying to cover a wide area with a limited number of base station sites.
>Are you listening to the mobiles or the base station?  Most likely
>it is a simplex system with mobiles and base on the same frequency.
>
>gc
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      //////////////////////////////////////////////////////
     //        Kenneth R. Cechura, KC9UMR                //
    //             [email protected]                     //
   //           President, W0EEE, 2002                 //
  // University of Missouri-Rolla Amateur Radio Club  //
//////////////////////////////////////////////////////