FM – DAB+: my logblog!

World of DX-ing

May 5 2023 – Update QT-DAB 4.6 and 5.3

Posted on by FMDABDXer

Another day another update for QT-DAB. Jan Van Katwijk is on a roll!
What’s new?

The Widgets screen positioning has been improved.
Superfluous lines in the (single and especially continuous) scan results have been deleted, making it easier to handle these results.

Download Jan Van Katwijk’s QT-DAB here and do check out the manual.

Improved scan results

May 3 2023 – Update QT-DAB 4.6 and 5.3

Posted on by FMDABDXer

Another QT-DAB update today! The position of the main widget, de configuration widget, de technical data widget,
the  spectrum scope widget and most device widgets is retained next time QT-DAB is fired up.
Not so for the rtl_tcp, lime and soapy widgets.

Download Jan Van Katwijk’s QT-DAB here and do check out the manual.

April 25 2023 – QIRX 4.0.8 released

Posted on by FMDABDXer

QIRX 4.08 was released today by Clem Schmidt.

Download QIRX 4.0.8 here.
QIRX manuals: here.
Compare V3 vs V4  features here.
Mind: QIRX 4 is not free. You need a licence key.

What’s new?
Abridged listing of fixes and features. Check out the full listing on the QIRX history page.

  • Better TII collision recognition.
  • TII collision: all TIIs which are not unambiguously recognized, get now a Main Id of 99, and show the Sub Id.
  • Improved High-resolution TII spectrum.
  • New Airspy spectrum en driver. AGC doesn’t seem to work well after a first brief test.
  • Choose the new or old driver when using an RTL-SDR.
  • Pictures from a slideshow can saved. Setting in the config file.
  • Max hold function in the main spectrum view.
  • The DAB demodulator has a 1.54MHz FIR Bandwidth filter.
  • Enhanced Automatic Frequency Calibration.
  • Improved DAB Modulation Error Ratio MER.
  • Single Symbol and Single Carrier selections no longer in the Constellation Spectrum.
QT-DAB 4.6