What I was told @ Ferris State College back in 1974 by my Radio & Television Instructor, I was wondering now maybe there are several variations of this mobile phone, one person thought you could turn it into a Repeater ( ?? ) kinda wide bandwidth for its operation I think.
Mark A. Holman, CRO, AB8RU [EMAIL PROTECTED] ----- Original Message ----- From: "John J. Riddell" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Saturday, July 17, 2004 9:04 PM Subject: Re: [Repeater-Builder] Just a couple of dB loss you say? > Mark, The Public Mobile tel's used 600 / 1500 Hz alternating when a mobile > was dialed. > The first signal sent was a 600 followed by a 1500 Hz tone to clear the > selector, then the number > was dialed. This was the old YJ,YK,JK etc stations Tx on 152.xxx Mhz. The > receiver in the base station was > 5.26 Mhz higher in freq. > Western Electric made a big beast of a decoder with an wheel in it for > programming and later > here in Canada we used an Electronic selector made by Scantlin Co > > (I used to fix those brutes back in the early 60's while working at Bell > Canada.) > > John VE3AMZ > > > ----- Original Message ----- > From: "Mark Holman" <[EMAIL PROTECTED]> > To: <Repeater-Builder@yahoogroups.com> > Sent: Saturday, July 17, 2004 8:49 PM > Subject: Re: [Repeater-Builder] Just a couple of dB loss you say? > > > | This sounds like the way the old mobile Radio Telephones used I think was > 20 > | khz. ( ?? ) tone and the rotary dial , and looking at the control in that > | fashion old RT used the 152-157 Mhz. offset I think if I have it right. > | > | Mark A. Holman, CRO, AB8RU > | [EMAIL PROTECTED] > | > | ----- Original Message ----- > | From: "John J. Riddell" <[EMAIL PROTECTED]> > | To: <Repeater-Builder@yahoogroups.com> > | Sent: Saturday, July 17, 2004 8:01 PM > | Subject: Re: [Repeater-Builder] Just a couple of dB loss you say? > | > | > | > Greetings, "Nit-Pickers" > | > > | > Back in 1965 the Buffalo repeater WB2TLJ and the Toronto repeater > VE3RPT > | > used "secode" tones....a single > | > tone interupted by a standard telephone dial to "remote control" the > | > repeater. > | > This was prior to using DTMF (Touch-Tone) > | > > | > VE3KSR in Kitchener, Ont was among the very first repeaters in this area > | to > | > use > | > Touch-Tone in 1969. > | > > | > 73 John VE3AMZ > | > > | > > | > ----- Original Message ----- > | > From: "Chuck Kelsey" <[EMAIL PROTECTED]> > | > To: <Repeater-Builder@yahoogroups.com> > | > Sent: Saturday, July 17, 2004 1:42 PM > | > Subject: Re: [Repeater-Builder] Just a couple of dB loss you say? > | > > | > > | > | I was wondering how he "dialed" his phone. > | > | > | > | Chuck > | > | WB2EDV > | > | > | > | > | > | > | > | ----- Original Message ----- > | > | From: "Neil McKie" <[EMAIL PROTECTED]> > | > | To: <Repeater-Builder@yahoogroups.com> > | > | Sent: Saturday, July 17, 2004 8:07 AM > | > | Subject: Re: [Repeater-Builder] Just a couple of dB loss you say? > | > | > | > | > | > | > > | > | > If the dual tones went away. how do you remotely control your > | > | > system via radio? > | > | > > | > | > Neil > | > | > > | > | > Ken Arck wrote: > | > | > > > | > | > > At 10:48 AM 7/16/2004 -0700, you wrote: > | > | > > > > | > | > > > I know, now you want my study of the tone frequency comparisons > | > | > > > of the Bell System Touch-Tone plan? > | > | > > > | > | > > <---Naaah. Dual tones went out with 62 Nash Ramblers :-) > | > | > > > | > | > > Ken > | > | > > ----------------------------------------------------------------- > | > | > > President and CTO - Arcom Communications > | > | > > Makers of state-of-the-art repeater controllers and accessories. > | > | > > http://www.ah6le.net/arcom/index.html > | > | > > AH6LE/R - IRLP Node 3000 > | > | > > http://www.irlp.net > | > | > > > | > | > > > | > | > > Yahoo! Groups Links > | > | > > > | > | > > > | > | > > > | > | > > > | > | > > | > | > > | > | > > | > | > > | > | > > | > | > > | > | > Yahoo! Groups Links > | > | > > | > | > > | > | > > | > | > > | > | > > | > | > > | > | > | > | > | > | > | > | > | > | > | > | > | > | Yahoo! Groups Links > | > | > | > | > | > | > | > | > | > | > | > > | > > | > > | > > | > > | > > | > > | > Yahoo! Groups Links > | > > | > > | > > | > > | > > | > | > | > | > | > | > | Yahoo! Groups Links > | > | > | > | > | > | > > > > > > > > Yahoo! Groups Links > > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
