SkyRoof 1.22 with IC-9100 only works with RX

[Glider Pilot]

Skyroof is an excellent product. Thank you. 

I am running the latest HamLib connected to the ICOM IC-9100

rigctld --version
rigctld Hamlib 4.6.5 2025-09-05T19:49:48Z SHA=8a6bd5 64-bit

Everything seems to work well with the exception that it only works  on the RX VFO.  The TX VFO is blank.  Why?

Any help would be appreciated.

73's de Oscar, N6PAZ

[Alex VE3NEA]

This is by design. If you use rigctld.exe instead of skycatd.exe, SkyRoof uses the same VFO for both RX and TX. When you switch to the transmit mode, the VFO jumps to the uplink frequency, and returns back to the downlink when you switch to receive mode. 

[Glider Pilot]

Thank you for the additional information.    In my experience working ham radio  satellites using the IC-9100 it's been best when you operate in full duplex allowing you to hear yourself via the satellite.   Based on your reply using rigctld.exe only operates in half duplex.  Does skycatd.exe operate in full duplex?  BTW,  I did not see IC-9100.json file to support IC-9100. 

Thank you for all your efforts. 

73's de Oscar, N6PAZ

[Alex VE3NEA]

skycatd.exe uses the full duplex mode if the radio supports it. Currently there is no json file for IC-9100, someone has to create it. Maybe, you could do this? The SkyCAT web site contains complete documentation needed to create such files.

[Glider Pilot]

Thanks for the info Alex.   I will start looking at building a IC-9100.json file. 

73's de Oscar, N6PAZ

[Matt]

How did you go with the ic-9100.json file Oscar? I am also keen to get skyroof tx'ing on our clubs IC-9100. I'm not famiiar at all with the json file format, have you had any luck working out what the IC-9100 requires?

[Oscar Alonso]

Matt,

I was working on the .json file, however I got interrupted with other priorities.   I did purchase a serial UART data analyzer to look at the communications between the radio and

the software.    It maybe little before I can see any progress.    I am surprised with all the IC-9100's in the world that someone has not already created a skycatd .json file that works.

73's de Oscar, N6PAZ

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