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FT991A with Swisslog
30-11-2025, 07:19 PM, (This post was last modified: 30-11-2025, 07:21 PM by F6DKQ.)
#1
FT991A with Swisslog
Hi all, 

I'm a little lost with the transceiver setting in Swisslog for my ft-991A

Normally, with wsjtx and mshv, I use COM6 (usb cable)  no parity, 9600 bauds, eight bits, 2 stop bits ...and it works. Here, can't get the frequency in swisslog ?

Any idea ? the standard FT-990 does not work....

73 Guy F6DKQ

note : Swisslog beeing alone, without anything else, I was operating for the CQ WW CW
F6DKQ
French translations, senior member
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30-11-2025, 11:58 PM,
#2
RE: FT991A with Swisslog
Hi Guy,

First of all, you only have to set 2 stops bits when baud rate is 4800. For other baud rates use 1 stop bit.

You can't share a COM por with several applications at once unless you use a Virtual Port Serial Emulator (https://eterlogic.com/products.vspe.html). So if you have WSJT-X open and your transceiver works well, if you open Swisslog or other software where you have set the same COM port, CAT control won't work.

There is an easy solution which is using Omnirig (https://dxatlas.com/OmniRig/). Swisslog, WSJT-X, JTDX, MHSV and lot of software supports OmniRig. Simply install OmniRig, select your transceiver then set COm port settings for your FT-991A and select OmniRig in Swisslog and WSJT-X. You will have CAT control in all software with no conflicts at all.

73
Jordi, EA3GCV
Current developer of Swisslog
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02-12-2025, 02:18 PM, (This post was last modified: 02-12-2025, 02:28 PM by F6DKQ.)
#3
RE: FT991A with Swisslog
HI Jordi,

I have forgotten to mention that the Swisslog transceiver control works perfectly with OMNIRIG
In this special case, I wanted to use my FT991A ONLY connected to Swisslog to log CQ WW CW qso's, hoping that the frequency would display correctly
in the Swisslog window when logging a qso (I was just doing search&pounce),
I've been able to do this only after connecting with omnirig

I have no problem at all with wsjtx, mshv, cwskimmer etc with the suitable COM6 configuration (com 6 and 7 here for the FT991)
In digital modes, I'm usually operating remote from my workspace upstairs, so CAT and everything work flawlessly

With Swisslog, directly to COM6, I have tried everything, all speeds , 1 or 2 stop bits...to no avail
I had installed a virtual port emulator, long time ago, but never really needed it

but you're right, the common, universal solution could be OMNIRIG

73
Guy F6DKQ
F6DKQ
French translations, senior member
Reply
04-12-2025, 05:04 PM,
#4
RE: FT991A with Swisslog
Hi Guy,

It's very weird... it should work if you have set in Swisslog the same COM port settings as you have defined in OmniRig. Make sure OmniRig is not running otherwise you will get an error message that COM port is already is use.

Check in the radio menu that you have set a fixed baud rate (DO NOT use AUTO). Use the highest baud rate as possible. I think this transceiver supports 38400. Remember that 2 as stop bits are only used for 4800 baud rate. For other baud rates you need to set 8 start bits and 1 stop bits.

If you still have issues contact me via whatsapp to arrange a remote session to check what happen.

73
Jordi, EA3GCV
Current developer of Swisslog
Reply
06-12-2025, 02:32 PM,
#5
RE: FT991A with Swisslog
Hi Jordi,

>> Make sure OmniRig is not running otherwise ....
never, I'm aware of this

>> I think this transceiver supports 38400

yes, it does , there is sometjhing in the FT-991A settings
menu 31 : cat rate 4800/9600/19200/38400 bps

The funniest thing is that it works perfectly with mshv and wsjt-x

I'll try other settings until it works. would be interesting to add it in the transceiver menu.
HRD last free version (v5 ?) does not have it, the most recent version (v8/) has it

73
Guy F6DKQ

73, Guy
F6DKQ
French translations, senior member
Reply
15-12-2025, 11:15 PM,
#6
RE: FT991A with Swisslog
Hi Guy,

The HRD option in Swisslog works in all versions, I dont think they have changed anything!

Using VSPE should work, it's a matter of finding out the proper setup. I use VSPe along with Omnirig and may other options in all my transceivers with no issues.

Best 73
Jordi, EA3GCV
Current developer of Swisslog
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