Re: A86: Theory question


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Re: A86: Theory question




At Radio shack you can get 2 channel simul. walkie talkies where you can both
talk at the same time...
terrence

J D wrote:

> That's great, but wouldn't you have to click the microphone button to change
> the send direction?  CB isn't full duplex, is it?
>
> >about your problem with determining which signal to pick up...
> >i'm sure all of you have used a cb radio.  most all have or have the
> >ability
> >to output the transmission to a 3.5mm jack which (with a 2.5mm converter)
> >would connect to the link port.
> >
> >you just set the cb to the "channel" you wish to be one and you'll recieve
> >your data.
> >the advantage to this is that i'm pretty sure that this could be had for
> >cheaper than the 20-40 for a radio link.  i'll look into pricing (find
> >something small with nothing fancy like lcd's or anything)
> >
> >----- Original Message -----
> >From: Cassady Roop <croop@oregontrail.net>
> >To: <assembly-86@lists.ticalc.org>
> >Sent: Wednesday, May 12, 1999 12:24 AM
> >Subject: Re: A86: Theory question
> >
> >
> > >
> > > All the schematics I've seen always stress that the links must be made
> > > in pairs.  They are then calibrated with a trimmer resistor or coil to
> > > adjust transmission to a mutual frequency.  It is unlikely, with the low
> > > population of people who have these links, that there are many with
> > > overlapping frequencies.  Just watch out for the FCC thought police if
> > > you cross the public-frequency boundary, though. :)
> > >
> > > >The only problem is figuring out
> > > > which signal to accept in a room full of these radio links...
> > >
> > >
> >
> >
> >
>
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