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Bill, TCI 1.5 spec as used in JTDX 2.2.156, and the most recent version of MSHV also controls the audio stream. TCI 1.6 has been developed specifically for ExpertSDR V3 which is currently in alpha state. Neither of the 2 aforementioned programs work with TCI 1.6 yet.
@Roger ExpertSDR will let you go down to steps of 0.1 Hz
73, Charlie GI4FUE
From: main@WSJTX.groups.io [mailto:main@WSJTX.groups.io] On Behalf Of Bill Somerville
Sent: 24 November 2021 20:40
Subject: Re: [WSJTX] TCI-Client for Sun SDR #Cat_RigControl
as far as I can see the TCI feature for sample data is only implemented for I/Q data from ExpertSDR, not foe baseband PCM audio which is what is needed for WSJT-X, although audio does seem to be promised in some future version of TCI. Looking at the TCI 1.6 spec it does have commands to control audio streams, so maybe it is implemented.
I see the CAT via a virtual COM port uses a TS-480 emulation, I don't see why that would limit the SDR to 100 Hz steps, what do you have set in the "Step" drop-down list in ExpertSDR?
On 24/11/2021 20:16, Roger Corbett wrote: