[amsat-bb] Kenwood D72 on SO-50
n8hm at arrl.net
Sun Jul 5 00:48:52 UTC 2015
With EO-80 and the Fox-1 sats, you won't need to press A/B to tune these
On Saturday, July 4, 2015, Frank Krizan <frank.krizan at verizon.net> wrote:
> Hi Philip,
> I’ve just gotten used to pressing the A/B switch to toggle the PTT/Tune to
> the frequency I want to change. It’s a pain. I usually program in memories
> for AOS, AOS+, MID, MID+, and LOS. And, once in a while, I change the
> wrong channel or transmit on the wrong frequency. I’ve suggested a
> firmware change to everyone who will listen to offer a PTT selection and
> TUNE selection so the operator doesn’t have to toggle the A/B; but, so far,
> no success.
> If the D72A could also have smaller frequency steps and the ability to
> select which radio (A or B) was designated for PTT and for TUNE, the D72A
> would be a great HT for portable use.
> From what I’ve been able to determine, you cannot ‘link’ VHF and UHF
> memories together to achieve the split function you described. This would
> be another firmware option that could offer some convenience.
> I love the D72A, and, it’s a shame that to work the [flame off] Easy Sats,
> it’s easier to buy a $39 radio than to use a very full featured radio.
> Maybe if more folks agreed with the suggestion, Kenwood would listen.
> I would also like to see a new HT with a Bluetooth interface to allow for
> iOS or Android Apps which could remotely change the frequencies or channels
> during a pass. This could also allow for audio interfaces for PSK-31,
> APRS, Packet, and more.
> 73, Frank K5HS
> > On Jul 4, 2015, at 20:15, Philip Jenkins <n4hf.philip at gmail.com
> > I bought a D72A a little over a year ago because it had APRS built-in;
> > made it very handy for the balloon-chasing I used to do.
> > Now I'm trying to set it up for SO-50. I'm successfully putting it into
> > full-duplex mode - with the 144 Mhz freq (pl 67.0) on the B-band, and the
> > 435 Mhz frequency on A-band. (Duplex cannot be engaged while the radio is
> > on the A-band.) I'm running into two problems though.
> > 1 ) Whenever I want to change the receive (downlink) frequency because of
> > Doppler, turning the knob changes the B-band side, the transmit, which is
> > what I don't want. As it is, since I can't get the 435Mhz to change, this
> > setting is only going to allow me to hear the satellite mid-pass
> > 2) I had the idea of putting this/these VFO settings - including duplex -
> > into memories, one memory for each 5 Khz step on receive. When I follow
> > manual directions for entering odd splits in memory, whenever I check to
> > see what's in the memory by transmitting, (it appears) I'm just
> > transmitting simplex on the 435Mhz frequency; the radio's display doesn't
> > change (other than the s-meter showing that power is being transmitted).
> > I'm wondering how others are making their D72s work successfully on
> > Is/are there (a) certain step(s) that I'm missing in order to change the
> > receive frequency AND enter full-duplex VFO settings into memory
> > successfully?
> > Thanks for the help...either replying to the BB or to me personally is
> ok. (
> > Philip N4HF EM85
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