Use case - AO-7 Mode A

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Two Rivers Contest Club

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Jul 27, 2026, 6:33:55 PMJul 27
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I am puzzling over a possible configuration to use two different radios for AO-7 Mode A (10m downlink) without an SDR. (MARMOTSAT will also have a 10m downlink). My FT847 would work fine, but we all know the IC-9700 doesn't have 10m capability. My question then is it possible to use Skyroof and skycatd to drive, say, IC-9700 and IC-7300MkII when AO-7 is in Mode A?

Thank you and 73 from Alaska.

Alex VE3NEA

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Jul 27, 2026, 7:20:59 PMJul 27
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You can control two radios, one for RX and another for TX. Run two CAT programs, Skycatd.exe for 9700 and rotctld.exe for 7300 ( SkyCAT does not have a json file for 7300 yet). You can also use SDR for reception, then 7300 will not be needed.

Larry Ledlow, Jr. N1TX

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Jul 27, 2026, 8:07:27 PMJul 27
to Alex VE3NEA, SkyRoof
Marvelous. Thanks very much for the quick reply. I was a bit concerned about port conflicts between the two CAT programs. 


Larry "Leon" Ledlow, Jr.   N1TX
Two Rivers Contest Club KL2R
QCWA's - The Old Man

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Two Rivers Contest Club

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Jul 29, 2026, 2:37:19 PM (12 days ago) Jul 29
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It works FB!

Current configuration:
IC-9700
Yaesu FTdx5000

For the IC-9700, I run skycatd selecting IC-9700-DUAL and use default port 4532 for CAT commands.

For the FTdx5000, I run rigctld selecting model 1032 and change the TCP/IP port to 5532. I then change the port number in Skyroof settings for RX CAT. Skyroof sets both frequencies for AO-7 Mode A when selected. I was able to find my downlink easily on 10m during the most recent pass. 

Thanks again.
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