JTDX FT8 with Ham Radio Deluxe, JTAlert and the Icom 7610

Have you heard of JTDX? It’s similar to WSJT-X  and will operate FT8 if you download and use the evaluation version, JTDX v2.0.1-rc135 (as of this writing). So why JTDX? A number of fellow Hams have suggested I do a video on this. Many say it is better at decoding than WSJT-X. I have been using it with the Icom 7610. If you are using the Icom 7300, it is virtually the same setup.

Icom 7610 Settings

Have a look at my Icom 7610 screen captures page. The 7610 is in USB-D1 mode for digital operation. I have the filter BW at 3.6k, noise blanker off, noise reduction off and AGC set to fast. I have found I like AGC set to fast. Turning AGC off is good too, especially for JT65 and JT9.

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JTDX

JTDX Download and Install

You can download and install JTDX from this link. I have installed version JTDX v2.0.1-rc135 because I want to use FT8. It appears to be working just fine for me and I like some of the features it has over WSJT-X. See the video below.

It’s a simple installation, similar to WSJT-X.

JTDX Settings

I have some screen captures below. In the Icom 7610 and Icom 7300 I have left all of the internal radio settings the same.

While operating, one thing to be aware of is the RX level. Try to keep it between 30dB and 50dB. I show how to set this in the video below.

The Pwr level slider is the same as the one in WSJT-X. I use it to set the ALC on my Icom radios. I have an article and video showing how I set my power level for digital modes. See: Icom 7300/7610 Adjusting RF Power Digital Modes

JTAlert

If you want to log your contacts into HRD Logbook try using JTAlert. It works very well and has some other nice features. You can download and install it from this link.

I use it to log into HRD Logbook, but I also use it to pull the name and QTH from QRZ.com.

Screen Captures – JTDX and JTAlert Settings

Click on an image and use your back button to return to this page.

Video

Thank you

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

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73,
Rich, K0PIR

Sources

JTDX

JTDX Manual

JTAlert

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K0PIR

I'm an Amateur Radio enthusiast. I love the hobby and experimenting with radios, antennas and software. On my YouTube channel I upload videos on the Icom 7300 and Icom 7610 along with Ham radio software programs. I hope to inspire people to try new things in Amateur Radio.

4 Responses

  1. Don Dodge W6SNX says:

    is it available for Raspberry Pi?

    • K0PIR says:

      Hi Don,
      Great to hear from you and thank you for commenting here.
      Yes it does have a Raspberry Pi3 download. Check out the JTDX homepage.
      I haven’t tested it out, but I sure will and thank you again. Happy Easter!
      73 and good DX ,
      Rich,K0PIR

  2. Brad, N6GR says:

    The guys supporting WJSTX are pretty firm about the ALC showing zero DB or no movement. I have made QSO both ways but I never can see my transmit output so I do not know the quality of my signal. I know the ICOM manual indicates ALC is needed so I am torn.

    Great video as always.

    • K0PIR says:

      Hi Brad,

      Great to hear from you and thanks for commenting here.

      I know, it’s very hard to overcome.

      I was looking at the JTDX manual and saw,” Adjust the soundcard Output that the ALC of the connected Radio will not exceed the limit stated in the Radio’s user manual. It’s a hard to overcome the myth that ALC should be 0 and every move of the ALC needle is evil …”

      If anyone is concerned then they should do what they feel is best. Just my 2 cents.

      Thank you again for commenting and Happy Easter!

      73,
      Rich, K0PIR

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