At 07:27 AM 17/03/2010, you wrote: >A slight word of caution: there were 3 versions of the Challengers: one >that used a DOS PC to program, one that used a Commodore 64 to program, >and one that used...I think either a TRS-80 or a Timex-Sinclair to >program. If you have one of the last 2, there were special modules for >interfacing to the radio-good luck finding one! Most likely you'd have >to change out the logic board for a PC-based board. >There weren't a LOT of them, they were only made early on, but they are >out there (a former employer had quite a few C-64 style, because he was >a Commodore fan.) > > >On 3/16/2010 10:32 PM, Doug wrote: > > At 06:03 PM 16/03/2010, you wrote: > >> EF Johnson Challenger 7152A? > >> > >> VHF 55W > >> > >> http://www.repeater-builder.com/johnson/efj-index.html > >> > >> http://www.ccdx.org/zedyx/mods/challenger.htm > >> > >> On Tue, Mar 16, 2010 at 3:43 PM, Doug<ap...@sasktel.net> wrote: > >>> I have a vhf radio presently on 162mhz made by E.F Johnson. > >>> It is a small unit, but I can't find a combo. It has a > >>> FCC ID ATH90F2427152. The number is very faded and hard > >>> to read. > >>> > >>> Can anyone tell me anything about these. Are the useful > >>> for hams and how can they be programmed. > > --------------- > > I think you are right on.. I googled 7152 and found a chap who > > was doing the uhf version. The radios look exactly the same. So > > I guess most of the pin outs and mic connections will be also. > > Now I have to find a schematic and a little info on how do you > > program them... > > > > Thanks very much.. > > > > 73 Doug > > >------------------------------------ By looking at the serial number, it appears the units are a 7164. Now I have to find the programming software. It runs under dos I understand..
Thanks Doug
