[amsat-bb] Programming a Kenwood TH-D72A for ISS Digi Contacts

Les Rayburn les at highnoonfilm.com
Fri Nov 18 03:52:04 UTC 2016

Cannot thank you enough John, and many others on the group. Very helpful! 


Les N1LF

Les Rayburn, director
High Noon Media Services
130 1st Avenue West
Alabaster, AL 35007-8536
205-621-7505 FAX
205-253-4867 CELL

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> On Nov 8, 2016, at 4:56 PM, John Brier <johnbrier at gmail.com> wrote:
> You need to store the memories as split frequencies or as the manual
> calls them, "Odd-split Repeater Frequencies." It's in the full
> electronic manual. See page 2 in file 'TH-D72_02_MEMORY CHANNEL_E.pdf'
> The basics of it are this. You program a simplex receive frequency
> like normal and then go to the VFO and set the transmit frequency and
> then store it like normal to the same memory channel, except in
> addition to pressing >OK to store it at the final step, you hold down
> the PTT button before hand and while you press >OK.
> To compensate for doppler you need to store the following memories:
> #  Receive Transmit
> 1. 437.560 437.540
> 2. 437.555 437.545
> 3. 437.550 (same, don't set split here)
> 4. 437.545 437.550
> 5. 437.540 437.560
> When the bird is coming toward you start at 1. and as the pass
> progresses move towards 5. You should be at 3. at max elevation.
> Let me/us know if you have more questions.
> 73, John Brier KG4AKV
> On Tue, Nov 8, 2016 at 5:03 PM, Les Rayburn <les at highnoonfilm.com> wrote:
>> Just purchased a used Kenwood TH-D72A HT. Hoping to use it along with an Arrow antenna to make more satellite contacts while traveling. While I primarily expect to use it to make voice contacts on the FM birds, I’m also interested in making packet contacts through the International Space Station.
>> Could someone point me towards a programming guide for this type of application? Any other pointers in using the radio to make packet QSOs through the ISS?
>> Grateful for all suggestions.
>> 73,
>> Les Rayburn, N1LF
>> 121 Mayfair Park
>> Maylene, AL
>> EM63nf
>> Member WTFDA, IRCA, NRC, ARLL, and AMSAT.  Former CPC Chairman for NRC & IRCA.
>> Elad FDM-S2 SDR, AirSpy SDR, Quantum Phaser, Wellbrook ALA1530 Loop, Wellbrook Flag, Clifton Labs Active Whip.
>> Grateful as always.
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