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

George Henry ka3hsw at att.net
Thu Jan 12 11:45:54 PST 2012


Hmmm... the review on QRZ says they're not full duplex.  Guess they actually 
ARE.

Oops. My bad.


>
>From: Thomas Doyle <tomdoyle1948 at gmail.com>
>To: George Henry <ka3hsw at att.net>
>Cc: AMSAT <amsat-bb at amsat.org>
>Sent: Thu, January 12, 2012 1:40:25 PM
>Subject: Re: [amsat-bb] Re: Very Interesting Radio - Possible Sat Use
>
>You might want to take a quick look at the posting that started this thread. 
>
>73 W9KE tom ...
>
>
>On Thu, Jan 12, 2012 at 1:01 PM, George Henry <ka3hsw at att.net> wrote:
>
>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
>>> W5PFG
>>_______________________________________________
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>
>
>-- 
>
>Sent from my computer.
>
>tom ...
>
>


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