Re: [amsat-bb] Yaesu VX-5R

["Bruce Paige" <kk5do@xxxxxxxx>]

if you want to use a radio that does not have dual vfo's. then the easiest way 
(which i have done on the alinco that my daughter has). is to program lets say 
memory location 1, 2, 3, 4, 5 etc with the receive uhf frequencies (mulitple 
freqs to adjust for doppler). then you program memory 6 with the tx frequency. 

you tune to 1,2,3,4,5, etc until you hear the satellite (remembering which one 
you are on). then you tune to 6 and transmit and tune back to the receive freq.

 it can be done, it works but is a pain.  so, the answer is 'yes' you can use 
your radio but you have to learn how to use it for the satellites.

on my icom w32a, i prefer not to use the full duplex mode and i do not hear 
myself (come back from the satellite) when i transmit. but i know i can hear 
the satelltite and if someone returns my call then i know i made it. if no one 
comes back to me, i try again. 

73...bruce


73...bruce


Date sent:      	Wed, 28 Mar 2001 08:48:00 -0600
To:             	amsat-bb@AMSAT.Org
From:           	Bruce Bostwick <lihan@ccwf.cc.utexas.edu>
Subject:        	Re: [amsat-bb] Yaesu VX-5R

> >Just wondering how well the Yaesu VX-5R is for operating the FM birds.
> >Anyone experience this? It appears to be a one band at a time radio,
> >however it has a feature called dualwatch. And just when I thought this
> >was the only HT I would want alongs comes the new ICOM T-82A! Need to
> >check the specs on that one too.
> 
> If I'm not mistaken, neither of those radios has dual VFO's.  The dualwatch
> feature is a frequency agility feature rather than a full dual-receive
> capability.  What you need is something like a Yaesu FT-50R or Kenwood TH-79A,
> either of which has dual-receive capability.  The TH-79A has full-duplex
> capability on crossband (and I think the FT-50R does too, since I've heard of it
> being used on AO-27) and can operate with a headset or earphone to avoid mike
> feedback when you do get into the uplink.  I'm pretty sure the IC-T82A doesn't
> have it, because I know my T81A doesn't -- I got that one mainly for its 1.2 GHz
> capability, not because I needed a full duplex radio.  My 79A still does the
> full duplex work and handles my mobile VHF/UHF operation.
> 
> Rule of thumb is:  Look for two frequency displays.  If you see two
> separate frequencies displayed at the same time, chances are you have dual
> in-band or crossband receive and probably full duplex crossband.  If the
> radio can only display one frequency at a time, it can probably only
> operate on one at a time, no matter how easily it can switch ..
> 
> 
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>                --... ...-- -.. . -. ..... ...- -...
>          Bruce Bostwick  mailto:lihan@ccwf.cc.utexas.edu
> ----
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Bruce Paige, KK5DO                    Internet: kk5do@arrl.net 
Houston, Texas                                  kk5do@amsat.org 
AMSAT Area Coordinator                          kk5do@amsatnet.com
ARRL Awards Manager (WAS, 5BWAS, VUCC), VE                     
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