[amsat-bb] Re: Very Interesting Radio - Possible Sat Use

George Henry ka3hsw at att.net
Thu Jan 12 11:01:02 PST 2012

Main drawback appears to be that they are not full duplex...  but at those 
prices, why not buy TWO?

George, KA3HSW

----- Original Message ----
> From: Clayton Coleman W5PFG <kayakfishtx at gmail.com>
> To: Thomas Doyle <tomdoyle1948 at gmail.com>
> Cc: AMSAT-BB at amsat.org
> Sent: Thu, January 12, 2012 11:49:11 AM
> Subject: [amsat-bb] Re: Very Interesting Radio - Possible Sat Use
> Excellent idea and post, Tom.
> I have posted two YouTube videos of the  Baeofeng UV-3R being used for
> satellite work.  I would suspect  performance of the UV-X4 to be
> similar in nature.  AC0RA and I have made  a few "Baofeng to Baofeng"
> contacts to test the performance on several of the  LEO FM satellites.
> Timing and antenna orientation is key and I would  recommend two the
> radios be used for full-duplex, as in your suggestion  Tom.
> Here's a video of receiving AO-27 using the stock rubber duck:
> http://www.youtube.com/watch?v=aYZyC_vkew0
> here's a video of  receiving AO-51 using an Arrow:
> http://www.youtube.com/watch?v=oRN4uJXvnK0
> (I did make a contact on  this AO-51 pass, though I wouldn't recommend
> it because of the semi-duplex  limitation)
> 73,
> Clayton

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