From: kenpda@gmail.com   
      
   On Thursday, May 21, 2015 at 7:43:36 PM UTC-4, Bill Horne wrote:   
   > Here's a trip down memory lane: does anyone remember the IMTS   
   > systems that preceded cellular? I find myself getting nostalgic   
   > for the "good old days" of the mobile world, and I wonder if   
   > any of that equipment has been converted to other uses.   
   >   
   > Bill   
      
   Hi Bill,   
      
   I regularly get into conversations with 30 or 40-ish year olds that like to   
   talk about the 'history' of mobile telephones.  Their 'history' is the 3 watt   
   bag phone that their dad had.  They don't know there was 30 years of IMTS and   
   before that MTS before the first AMPS trials in Chicago.  I try to explain,   
   but they get blank looks on their faces.   
      
   I got my first IMTS phone in about 1975.....a 25 watt UHF Motorola "Green   
   Weenie" trunk mount radio with a FACTS control head.  Loved that thing.  I had   
   an employee at the time that just LOVED to switch to manual mode and listen to   
   other conversations if he was waiting in my truck.  He discovered that if we   
   were parked close enough to a voting receiver location, he could manually key   
   up and become the 'mobile' of the conversation.  Shame on him.   
      
   I've been looking for a function generator app from which I can cut a ringtone   
   or notification tone that has the alternating 1336 and 1800 Hz IMTS   
   "disconnect" tones that the IMTS mobile would send out to the base when the   
   mobile was 'hung up'.  A second or two of it would play out over the circuit   
   to the landline caller before the terminal disconnected him.  I always liked   
   that signal, and would like to have it as a notification or ring tone for some   
   special old friends from my IMTS days.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)