signal analysis software?

Discussion in 'Mac Ham Radio on macOS & iOS' started by KC2XU, Aug 19, 2020.

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  1. KC2XU

    KC2XU Premium Subscriber QRZ Page

    Hi All:

    Does anyone know of software that can identify (and possibly decode) digital transmissions? Only one for OS X I found so far is SigDigger, but before I do all the builds etc I wanted t check with you all to see if there is anything else out there.

    Thanks I advance for your help!

  2. K3DCW

    K3DCW QRZ Lifetime Member #212 Volunteer Moderator Platinum Subscriber Life Member QRZ Page

    What kind of "digital transmissions" are you interested in?

    Amateur digital modes? Fldigi and WSJT-X are the go to and cover just about every mode in common (and not-so-common) use.

    MultiMode by Black Cat Systems will do a lot of "utility" and amateur modes and is from a long-time Mac developer:

    Rivet (a Java app) will do some utility digital modes as well, but requires a Java install. I've never tried to run it on macOS.

    Hope this helps.
  3. W1VT

    W1VT Ham Member QRZ Page

  4. KC2XU

    KC2XU Premium Subscriber QRZ Page

    Sorry guess I wasn’t clear on what I was thinking.... yup use fldigi, wsjt-x and am trying the blackcat multimode.
    I was thinking of a program you could input a live or recorded amateur band digital signal in and it return what digital mode the signal is. (It listens to the beeps and comes back with ‘hey that’s Olivia’))
    Maybe I missed that feature in Any of the above?

    Hi DCW - I used to live in Ellicott City

    Thanks folks...
  5. KL7AJ

    KL7AJ XML Subscriber QRZ Page

  6. K3DCW

    K3DCW QRZ Lifetime Member #212 Volunteer Moderator Platinum Subscriber Life Member QRZ Page

    Outside of some multi-thousand-dollar packages for Windows, you're not going to find something that will take a completely unidentified mode and identify it from a recording out of the hundreds of possible HF modes that are on-the-air. The SigDigger tool you mentioned will help with some measurements, but I don't see where it has that desired feature either.

    If you're dealing with amateur signals and you're not familiar with them all, then RSID in Fldigi is your best friend. However, also check out the Artemis project ( and Signal Identification Wiki ( for some tools that can help you ID various signals.

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