[Trunkcom] MultiNet
SJ
[email protected]
Sun, 6 Jan 2002 00:09:23 -0500
--------Remember, if you have 3 channels in a system, there
can only be 3 simultaneous conversations going on.------------
That's what I meant, really. I mean think about it, you have say 3
channels,3 very busy channels at one given time. It just doesn't make any
sense to put more than 3 agencies/businesses on that system, especially if
one of them is public safety(I'm theorizing LTR here). 3 years ago when we
had the ice storm, I had 2 scanners going on the county trunk system just to
keep up. We had people using their old low band stuff just to keep in touch,
quite confusing.
It is possible, however unlikely, that this will happen again. considering
the cost of the system, one would think they would have added a couple more
freqs.
-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Larry Williams
Sent: Saturday, January 05, 2002 10:36 PM
To: [email protected]
Subject: Re: [Trunkcom] MultiNet
Man, you must not have much excitement in life if you have to worry
about "busy tones". Remember, if you have 3 channels in a system, there
can only be 3 simultaneous conversations going on. So many low end users
think of it as a CB and use it accordingly. They are in their trucks and
get bored so they talk to the other bored drivers. THAT, eats up air
space. Especially on a multinet system or any other where you have
selective calling between individual users. 5 chan system, 1 company,
20 bored long winded drivers, ... BUSY SIGNALS. By the way, same goes
for cops and public service folks as well.
It would be interesting to see if someone was encountering a busy signal
or two or more. At least when we made the move to the system here they
told us about busy tones, and said that the chances of someone getting
one
were slim to none, but I heard that in Warren, Michigan they were
telling
non public safety workers to quiet down because of busies. By the way
I
found out that Warren will be adding its old MDT channel to the trunked
system pool, because they just switched services, so the 856.0375 will
soon
be part of the system.
------------------------
>snip<
Come on now. The only way you heard the LTR burst on the bus radios was
if it was running conventional on the same freq as the LTR channel. If
it was LTR, the radio had to either been modified or defective. The
only thing you can "HEAR" on an LTR channel burp is the squelch on your
radio opening and closing, period. The NEW Kenwood LTR radios have what
is called FleetSync where they send out MFSK data either at the
beginning or end of transmission that contains a 7 digit code that is
unique for each radio in a fleet. It can also be used to send canned
status messages or even short and long data messages like a MDT. You can
hear that data but its only been in use a couple of years.
> Now, the LTR system that I used to have to listen to all the time
> on 800 MHz in school like I said had the burst, and it was even coming in
> over the bus radios. This bus company is now on 900 MHz with I think a
> conventional system but they are using CTCSS tones from what I've
> noticed. Aren't the newer LTR or multi-net systems using tones or data
> bursts you can't hear?
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