[Alexandria Radio Club Reflector] 33cm/900MHz Juggle Net

[Ian]

Great question! Yes,  33cm is shared and noisy so the tone keeps it a
little quieter. Actually should probably have a tone on both sides.
73, Ian N8IK


On Sat, May 13, 2023, 10:02 Jeff Cook <kq4cma at icloud.com> wrote:

> Great, thanks! Question on #3. It’s SIMPLEX but has a PL Tone of 107.2. Is
> that right?
>
> —
> Jeff KQ4CMA VA
>
> On May 13, 2023, at 9:09 AM, Ian <iann8ik at gmail.com> wrote:
>
> 
> Attached are area 33cm repeaters and other recommended channelization.
> Channels 1-9 should not be moved around as they correspond to the
> channelization that was programmed into a group of Motorola GTX900
> handhelds we purchased a long time ago and those are rather challenging to
> reprogram.
>
> 73, Ian N8IK
>
> On Fri, May 12, 2023 at 2:52 PM Jeff Cook via AlexandriaRadioClub <
> alexandriaradioclub at mailman.qth.net> wrote:
>
>> Excellent, thanks Rich. This guy in Vermont (through eBay) is selling the
>> 15w Kenwood TK-981 with programming up to 15 stations for $199.
>>
>> http://www.virtualvermont.com/store/900mhz-33cm-Ham-Radio-Kenwood-Tk-981-Includes-Microphone-Free-Programming_274687280261.html
>>
>> So the next step is to specify what should go into 15 programmed channels
>> on 33cm. If anybody can help lay out that list, I’m happy to serve as point
>> man for that. Please contact me at kq4cma at icloud.com .
>>
>> The goal is to return the lesser used club repeaters to a more viable
>> option for the club & community. The club’s 33cm/900MHz and 23cm/1200MHz
>> repeaters are sitting there like ripe fruit for anybody who’d like to
>> expand their capabilities.
>>
>> —
>> Jeff Cook, KQ4CMA
>> kq4cma at icloud.com
>>
>>
>> > On May 12, 2023, at 11:14 AM, Rich Adamy <ka4gfy at gmail.com> wrote:
>> > I was using a Kenwood TK-981 into a Diamond 900 MHz base antenna.  For
>> > the time being, it's located in the corner of the room.  I do have
>> > plans to put it on my tower.  I do have an Alico G-29 as well.  The
>> > kw902.com website is the go-to website on the Kenwood TK-981.
>> >
>> > 33cm has similar propagation characteristics to 70cm.  The difference
>> > is, we share that band with a multitude of other services, industrial,
>> > medical, scientific, etc.  The noise floor is very high
>> >
>> > If you can find a Kenwood TK-981 at a good price, it is well worth the
>> > money.  I picked one up about 4 years ago at the Richmond Frostfest
>> > for around $160.  They are also available on the internet.  There are
>> > several of us in the club who have them.
>> >
>> > The Motorola Spectra will also work.  Be sure you get one that covers
>> > 896 to 950 MHz.  That one takes a little more work to move it to our
>> > 33cm band.
>> >
>> > There is a group in San Diego on 33cm.  Their website is here:
>> > http://www.sd900mhz.com/about900.htm
>> >
>> > Here is another website on getting started on 900 MHz:
>> > https://w6aer.com/getting-started-with-900mhz-ham-band/
>> >
>> > We can certainly try this again.
>> >
>> > Rich, KA4GFY
>> >
>> > On Fri, May 12, 2023 at 5:55 AM Jeff Cook via AlexandriaRadioClub
>> > <alexandriaradioclub at mailman.qth.net> wrote:
>> >>
>> >> So a few of us tried to find some productive comms on the 33cm/900MHZ
>> club repeater tonight, but we’re still looking for the magic. With there
>> being almost no amateur transceivers that even do 900MHz, I think the five
>> people who participated tonight were all on a different radio!
>> >>
>> >> We treated it as an informal ragchew rather than a formal net, but it
>> turned out to be mostly a troubleshooting session. But we got this one
>> behind us and we all know a little more than we did before.
>> >>
>> >> Participants were:
>> >> KQ4CMA Jeff (me), Motorola GTX HT & Larsen mobile mag mount
>> >> KA4GFY Rich, HT & ext antenna
>> >> N8IK Ian, Alinco G29 HT & rubber duck
>> >> W4JJ Jack, Motorola XPR6580 HT & rubber duck
>> >> W4MAB Murph, SDRuno, internet
>> >>
>> >> Our playground was on these frequencies:
>> >> CLUB REPEATER: 927.6, -25MHZ offset, PL Tone 107.2
>> >> SIMPLEX: 927.6, 927.5
>> >>
>> >> But sorry to report it was a spotty test. I could hear, but not get
>> out at all from two mobile locations. There was some scratchiness from
>> somewhere, and since I came in a bit late, I’m not sure anybody was able to
>> both RX & TX, though W4JJ thought KA4GFY’s transmissions were ideal.
>> >>
>> >> We used the club’s 2m repeater (club net had just ended) as a home
>> base when we couldn’t connect on 33cm, and that allowed W4MAB to report on
>> his RX on SDRuno, very helpful.
>> >>
>> >> I’m still looking into my options with my 1w Motorola GTX, but I’ve
>> just discovered a guy on eBay offering 15w Kenwood TK981 transceivers which
>> he’ll program to order. But I’ll be hoping to find a native 900MHz radio
>> that doesn’t have to be custom programmed, though most of those seem to be
>> out of production just now.
>> >>
>> >> So we’ll try again. Thanks for the workout, everybody!
>> >>
>> >> —
>> >> Jeff KQ4CMA
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