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You can now use Fldigi to transmit RTTY FSK with the WinKeyer USB. The WinKeyer USB v3.1 will send RTTY FSK. One benefit of using the WK3 USB is that in Fldigi it will send real CW and RTTY FSK. My last article showed how the ACC cables were made for the Icom 7300 and Icom 7610. This article will show how to configure Fldigi to send RTTY FSK and log the contacts into N3FJPs ACLog. There’s a video below.

Connect your home made accessory cable to the rear of the Winkeyer USB and then to your ICOM radio. I connected mine to port 1 on the WinKeyer USB. More on that here.

ACLog Configuration

In ACLog go to settings TCP/IP and enable UDP on port 1100.

WinKeyer USB Configuration – Users

FSK RTTY is much easier to use than the AFSK/Sound Card approach. You can read more articles about digital modes on our Blog. If you have found a spelling error, please, notify us by selecting that text and pressing Ctrl+Enter. Previous Post The Bouvet Island DXpedition 2018 Next Post Shack and Station Videos. Ham Radio Deluxe Software Digital Modes for Amateur Radio Operators Log FT8 and JT65 QSOs Automatically From WSJT-X, JTAlert, or QSO Relay. Digital Master, formerly “DM-780,” is the all-purpose ham radio digital modes communications package integrated with the Ham Radio Deluxe suite. Serif drawplus for mac.

I setup my WK3 with two users, one for CW and one for RTTY. Use WK3 Tools 5.2 to accomplish this.

After configuring users, hold down the “Red” button on the WK3 until you hear “dit-dah-dit”, then with your paddle or key, switch to the RTTY user by entering the command “X” for extended command mode and then “U” to change user. My first user is for RTTY so when I hear one dit after entering “U” I know I am ready for RTTY. Two dits would indicate user two is ready.

Note: Before you change the WK3 users using the paddle you will need to disconnect from the WK3 in the software.

Fldigi Configuration with WinKeyer USB

You can find lots of information in the WKUSB Manual with 3.1 updates.

First set up the TTY modem in Fldigi so Fldigi can talk to the WinKeyer USB. You’ll need to know what comport your WK3 is on.

Next go to logging and contesting and set up Fldigi log to communicate with ACLog.

Software For Mac Computers

NOTE: I lost PTT for a while in Fldigi and discovered that disconnecting Fldigi from N3FJP Log and reconnecting solved the problem.

Video

In the video below I am using the USB cable for rig control in ACLog. The baud rate is 115200. Fldigi syncs the VFO with ACLog.

In the video below I am using a seperate CI-V cable for rig control in ACLog. You judge how you want yours setup.

Thank you

If you have any questions, comments or solutions, please comment below. I prefer the comment section here or in YouTube over e-mail because your comments and questions will help others as well.

Thank you for subscribing to this website. You can also follow me on Twitter, Facebook, Instagram and YouTube.

73,

Rich,K0PIR

Sources

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• MMTTY

For FSK troubleshooting:

Unlike the MMTTY stand-alone program, you must set the COM port the interface is connected to in the Ports menu of the Rttyrite window. For a better explanation of this see my RTTY Starter page 6 at: http://www.rttycontesting.com/rttystarter06.html

If you have the Port setting in the Rttyrite window set to the correct COM port the interface is attached to, then you have to check to see if the interface itself is working. It's best to check this with an O-scope paralleled across the interface output that goes to the radio's FSK input. To check what the waveform should look like, refer to my 'Getting Started on RTTY' tutorial and Diddles & Troubleshooting page http://www.aa5au.com/rtty_diddles.html. When you key MTTY with WriteLog (or MMTTY stand-alone), it will send a constant stream of diddles.

If you don't have on O-scope, you can do it with a regular voltmeter. With everything in the idle condition, you should see some kind of floating voltage,
say 5 volts. Then key the transmit of MMTTY with WriteLog and you should see a fluctuation in the voltmeter. This normally tells you that your interface is working correctly, but doesn't prove it as well as an O-scope.

Rtty App

If that checks good, you have to check the FSK circuitry in the '570. Since the '570 does not allow you to 'monitor' FSK transmission, you must monitor it with another receiver tuned to the same frequency.

With your radio in the FSK or RTTY position:

Take the FSK input lead and ground lead and keep them open. Key the transmitter manually and listen to the frequency of the tone being transmitted. It will be
either a mark 2125 or a space 2295 hz. Now directly short the FSK input to the radio to ground with the transmitter still keyed and you should hear the tone
shift 170 hz either high or low. Depending on how you have your FSK polarity set in the radio, an open may produce either a mark or space. A short of the FSK input of the radio should shift the tone 170 hz. If there is no difference between a short and an open, then the FSK circuitry is not working, but that's rare. I
had it happen to one of my TS870's once but that was after a lightning strike.

With AFSK, it's simple audio from the sound card to the audio input of the radio. If you have audio coming from your sound card, then you should be able to
transmit AFSK with your radio in the LSB position.

Hope this helps,
Don AA5AU