Hey If you want a simple kit the partical Basic controller kit is very reasonable. www.ics-ctrl.com
73 Brian ka9pmm skipp025 wrote: > > > Hi Fred, > > It would probably be more accurate to call it a cross band > port hole or window unless both bands are full repeaters with > audio and COS/COR working together. > > It's been done many times with both mobiles and portables > with an example like the Motorola Radius/Maxtrac Radios wired > "back to back". > > One of the group members here wired two HT (portables) into > a repeater, which could just as easily be converted to a > cross-band port hole (window). I've seen that project twice > at the Dayton Hamvention and it looks pretty nice. > > I've wired the Icom 2at and 02at (and higher band) portables > into both cross-band and full repeater operation. The hardest > task is dealing with (finding) valid receive signal logic > from the receiver... used to provide the PTT (transmit) > direct or through some type of controller circuit. > > Some people use voice detection to make/provide a COS/COR > logic, some folks "tack on" a CTCSS (PL) Decoder and some > actually open the radio to find a usable "tap point" in > the receiver circuit. Depending on how tricky (and how much > money) you want to invest in the package... voice operation > can work, or it can be quirky, jerky and a real pain to > deal with. An Icom 2AT "probably blows" enough CTCSS tone > through the regular speaker audio output where you could > easily tack a decent CTCSS Decoder on for decent full CTCSS > Operation. > > No kits yet... but I'm thinking about it... > > cheers, > skipp > > www.radiowrench.com/sonic > > > "Fred" <fj...@...> wrote: > > Hello: > > I would like to build a low power 5 watt cross-band > > repeater for 2m/440 use. I recall seeing this set up > > using 2 HT's, also 2 mobile rigs. Has anyone built > > something to suit my needs, or are there kits available? > > Thank you > > 73 de Fred W1POP > > > ------------------------------------------------------------------------ > > > No virus found in this incoming message. > Checked by AVG - www.avg.com > Version: 8.5.339 / Virus Database: 270.12.36/2127 - Release Date: 05/21/09 > 17:51:00 > >

