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Is it possible to run SDRUno and a SDRPlay Receiver with VarAC?

I am enjoying the VarAC application quite a bit, but I miss having the Panadaptor Display the SDRPlay and SDRUno provide. I'm using a Yaesu FTdx-3000 with the SDRPlay taking its signal from the FTdx's IF output (or maybe it is the Antenna Receive Output) but with the SDRPlay, SDRUno, Ham Radio Deluxe, OmniRig and a virtual serial port emulator I am able to run both Ham Radio Deluxe and SDRUno at the same time and have full control of the transceiver from either HRD or the SDRUno's Windows on my computer.

VarAC has options for running with OmniRig so I thought it might be able to share the FTdx-3000's com port with the other applications in some fashion so that I can have all of these programs running and talking back and forth to the FTdx-3000 at the same time.

Has anyone undertaken figuring out how to do this, assuming it is possible?

Thanks,

Keith

KN5G

3 comments

Comments (3)

NC3Z Gary

Jul 06, 2022

But the SDRPlay is only a receiver. So are you using the FTDX3000 to process the audio or the SDRPlay? The SDRplay should just be providing the pan that you wanted with the 3000 doing the TX and RX to VarAC.

KN5G-Keith

Jul 06, 2022

Replying to

Hey Gary,

The SDRUno software wants to use the FTdx-3000's COM port CAT control (which is a USB interface) to change frequencies, bands, PTT, etc. on the FT-3000. The VarAC software wants to have control of the FTdx-3000's COM port CAT control also so it can change frequencies, bands, control PTT, etc. Both programs can't have control of the transceiver's COM port at the same time but maybe with the use of OmniRig and a virtual Com port emulator it might be possible to let the two programs share control of the COM port.

This is what is happening when I start up HRD and SDRUno. They share control of the radio's com port through Omirig and the virtual com port emulator, somehow.

I was being lazy and hoping someone may have already written up a procedure for doing this.

Keith

NC3Z Gary

Jul 06, 2022

Replying to

A virtual com port splitter like VSPE would allow this to work. The issue will be with potential collisions on the CAT bus, especially with VarAC being a ARQ mode and PTT on/off timing bein much more critical than other digital modes.

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