--- In Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder@yahoogroups.com> , [EMAIL PROTECTED] wrote:
>
> While reading this article:
> _http://mrtmag.com/mobile_voice/radio_big_signals_small/_
(http://mrtmag.com/mobile_voice/radio_big_signals_small/
<http://mrtmag.com/mobile_voice/radio_big_signals_small/> ) I came
> across the term "quasi-simulcast". Anybody heard of that term? How
does it
> differ from "normal" simulcast.
>
> Thanks
>
>
>
> ************************************** See what's free at
http://www.aol.com <http://www.aol.com> .
>
Don't know about "quasi-simulcast", but they sure have some very serious
maintenance issues...
* The Channel 2 West Tower radio had tripped a breaker and had become
inoperative.
* The Channel 2 Central Tower experienced a 36 dB reduction in
duplexer sensitivity when the transmitter was activated. (The signal
needed to be 4000 times stronger than was otherwise required.)
* The Channel 1 East Tower had a bad jumper in the antenna
transmission line.
* The Channel 2 dispatch radio did not have control over the tower
with which it was communicating.
* None of the sites had lightning protection in any of the antenna
transmission lines.
This article should of been titled "How not to maintain your public
safety radio system" not how to design a pseudo simulcast radio system.
