Hello Ivy,
On 03 Apr. 98   4:41 Ivy Iverson wrote to Russ Wuertz...
 -=> On 04-03-98  09:25, Russ Wuertz said to Ivy Iverson,<=-
 -=>"About 49Mhz to 6m......,"<=-
 II> 
 II> Hi, Russ;
 II> 
 II> 
 II> Ok, let's greatly simplify this real quick.  Talking about our
 II> hypothetical 34/94 repeater:
 II> 
 II> The repeater is really a simple thing when you get down to 
 II> basics:  There is a receiver which operates on only one 
 II> frequency: 146.34 MHz.  There is also a transmitter that operates
 II> on ony one frequency: 146.94 MHz.  They are connected together 
 II> with a "black box" calloed a controller that does a few things 
 II> which we won't worry about right now, and there is an antenna, 
 II> (maybe more than one), and the whole workes sits on a hilltop 
 II> somewhere.  But the basic thing is there is a receiver and a 
 II> transmitter which operate 600 KHz apart, and they are connected 
 II> together, so that when the receiver "hears" a signal, it turns 
 II> the transmitter on, and the transmitter "says" whatever the 
 II> receiver hears.  Ok?  Do you follow me so far?
 II> 
 II> Now, how would wde use such a device?  IF we transmit on 146.34 
 II> MHz, the receiver will hear us.  And it can hear us for a long 
 II> way, because it is a very good receiver, it has a very good 
 II> antenna, and most importantly, it is up on a high hill.  And 
 II> since whatever it hears on 146.34 MHz it re-transmits 600 KHz 
 II> away, on 146.94 MHz.  And since it is up on a high hill, people 
 II> can hear it a long way away. 
 II> Usually you can hear a repeater farther away than it can hear you
 II> , so as long as we are close enough to a repeater to make the 
 II> receiver hear us, we can talk with anyone else who is also close 
 II> enough to the repeater to make it hear them.  What this means is 
 II> that if you can use your little handheld to talk to your friend 
 II> Joe for 5 miles when you use simplex, (both of you use the same 
 II> frequency), and if the repeater can hear you for 10 miles, then 
 II> if you are 10 miles south of the repeater and Joe is 10 miles 
 II> north of the repeater, then you are still able to talk when you 
 II> are 20 miles when you use the repeater, or 4 times as far away. 
 II> 
 II> Ok, there is another thing which you might be having problems 
 II> with, and this could be why you can't bring up a repeater that 
 II> you can hear.  It's something in that "black box" controller 
 II> that's sitting between the receiver and the transmitter in the 
 II> repeater.  It's called CTCSS, which stands for Continuous 
 II> Tone-Coded Squelch System, or PL, (which stands for "Private Line
 II> ,") and is Motorola's name for the same thing.  What this does is
 II> sends a tone, too low for you to hear, every time you key up your
 II> transmitter.  The controller in the repeater will not let the 
 II> repeater's transmitter go on the air unless it also hears that 
 II> tone.  The "Coded" part of CTCSS is that different frequencies of
 II> tone are used, so you could have two or three repeaters within 
 II> range of a station, but if each one uses a different PL tone, you
 II> would select which one - and only one - of those repeaters 
 II> retransmits what you say.  It just may be that you do not have 
 II> the proper PL frequency set up in your radio's PL generator, 
 II> (also called an encoder), or if your radio is an older one, it 
 II> may even not have a PL encoder installed in it. 
 II> 
 II> This sounds like something a child would join.  Do you work for 
 II> Daisy? (Is that the same company that makes BB guns?)  And that 
 II> "Ramjet" thing, is that Roger Ramjet?  May I ask your age please?
 II> 
 RW> Amateur Station KF4ODD - TheStation withthe mostus
 RW>                    ~~~
 II> 
 II> ODD?  Hmmmmmmm.
 II> 
 II> 73 DE KB9QPM
 II> Ivy
 Yes sir I understand your message.  I keyed up on that frequency here
 locally and I saw the offset of 600kHz appear.
 I recieved some morse code signal instantly when I keyed up.  Is that
 how we know a repeater is there and up and running so I can sent the
 subauditable tone?   
 I would have to know the person who owns the repeater and activate it, 
 and the general masses who recieve it would have to activate it on their
 side to reply.   I can invision clubs getting together and linking
 whole regions together with a chain of these, so we might make contact
 some day.  The technology is and desire is out there.
 Challanging rank is a requirement in the military.  It would be your
 fault if I gave call letters here and I was an impostor.  You would
 look my letters up and find my age and send a QSL card right to my
 door as I should be able to do with anyone here.  I just had a local
 resident come to my door saying he had an advanced license.  I looked him
 up in the callbook data base, and his call letters were not there.  I
 almost let him in my home to look over and tune my equipment and show
 me things as he wanted that day.
     I don't do business with ARRL because I have heard bad things about
     them.  I lived in Connecticut most of my life, and a Fire Department
     Leutenant called their RELAY (BED A BUG).   He was also working as
     a paramedic and had a 10 code for BUG UP THE BUTT.
     I realize you are calling it something like a moth caught between
     relay contacts, and try to make it work.
     A bug in electrical terminology is a clamp that secures a wire to
     a conductor that has been stripped of its coating.   I really do
     not like the way people are being victomized via stuffing a 
     microphone down their throat as soon as they open up their mouth.
     I see how old these "Gentlemen" are on 2 meters.  Age is not always
     an indication of maturity.
Regards,
-=Russ=-
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