[amsat-bb] Re: Very Interesting Radio - Possible Sat Use
KP4TR (Ramon Gonzalez)
kp4tr.ramon at gmail.com
Thu Jan 12 10:22:16 PST 2012
Looks like a knock off of Yaesu VX-3. For $65 not bad
Sent from my iPhone
On Jan 12, 2012, at 12:49 PM, Clayton Coleman W5PFG <kayakfishtx at gmail.com> wrote:
> 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:
> here's a video of receiving AO-51 using an Arrow:
> (I did make a contact on this AO-51 pass, though I wouldn't recommend
> it because of the semi-duplex limitation)
> On Thu, Jan 12, 2012 at 9:49 AM, Thomas Doyle <tomdoyle1948 at gmail.com> wrote:
>> This may have been discussed previously but just in case it has not.
>> I purchased an interesting radio that might be an inexpensive way to
>> operate full duplex on the FM sats.
>> The radio cost $65 including shipping and all accessories. It runs 2W on
>> both 2M and 70cm. It has
>> almost all the bells and whistles you would expect on a dual band handi. 99
>> memories - tone squelch ...
>> In addition to the low cost the radio is very small. See pic - I have
>> fairly normal size hands so you can see how
>> small it is.
>> I purchased it expecting the worst. Much to my surprise it actually works
>> quite well. The menu system is
>> the most intuitive I have found on any radio. The only negatives I could
>> find were
>> - no channel lockout when scanning - I put the local weather station in one
>> of the memories.
>> Since it is always on you can not use the scan function.
>> - I fully expected a radio of such a small size would not have adequate
>> sound from the speaker.
>> In fact the sound from the speaker is really loud. Everything is set
>> using a rotary digital switch
>> with detents. This works great for selecting channels and using the menu
>> functions. There are
>> only 9 detent positions for the volume. The lowest volume setting is
>> mute, one click up and it is
>> loud and it keeps getting louder as you go up. There was nothing wrong
>> with my radio - they
>> all do it.
>> - no DTMF pad
>> None of these negatives affect the use of the radio with an FM sat. You
>> could buy a pair of these
>> for $130 including shipping. Add a diplexer and Elk/Arrow antenna and I
>> think you would be good to
>> go with a very compact low cost full duplex portable FM station.
>> I bought mine from http://www.maintradingcompany.com and received excellent
>> service. In case you
>> were wondering what the goofy looking LED between the switch and the
>> antenna is - it is for the
>> flashlight function the radio offers as a feature. The flashlight feature
>> is invaluable :-)
>> Sent from my computer.
>> W9KE Tom Doyle
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