Free Windows RF Calculator - WinRFCalc

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WInRFCalc offers a free of charge RF toolbox with many interesting RF calculators and analysers can be downloaded, offering the following capabilities

  • Antenna numbers

  • Transmission loss

  • Unit converters

  • Attenuators

  • EMC and Shielding

  • RF Mixer analyser

  • DSP

  • General RF calculators

  • Butterworth filters

  • Impedance matching

  • Interdigital filter calculator

Download WinRFCalc - https://hollandshielding.com/Windows-RF-calculator

WSJT-X Version 2.5.4 with Bug Fixes Released

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The WSJT development group has released an updated version of WSJT-X — version 2.5.4 — which it’s calling a “bug fix.” The primary fix repairs a defect that caused occasional crashes when contacting stations with non-standard call signs. It also allows MAP65’s “best-fit Delta Phi (Dphi)” solution to be displayed to the user.

The WSJT development group also has welcomed new members Chet Fennell, KG4IYS, and Dr. Uwe Risse, DG2YCB. “Each brings important skills and experience[s] to the project, after the loss of Bill Somerville, G4WJS,” said Joe Taylor, K1JT, on behalf of the group. “The newly constituted group has been working to redefine standard operating procedures for new releases.”

Installation packages for WSJT-X are available for Windows and Linux. An installation package for macOS will be added soon - http://physics.princeton.edu/pulsar/k1jt/wsjtx.html

WSJT-X version 2.5.1 released

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The development team have announced the General Availability (GA) release of WSJT-X version 2.5.1.

This release mainly contains improvements and defect repairs related to Q65 and JT65 modes when used with non-standard and compound calls. Also included is a new feature for microwave aircraft scatter, and repairs for defects detected since the 2.5.0 GA release.

A full list of changes can be found in the Release Notes - https://physics.princeton.edu//pulsar/k1jt/Release_Notes.txt

IMPORTANT: If you expect to use the JT65 or Q65 modes to make weak-signal QSOs that involve a nonstandard callsign, be sure to upgrade to WSJT-X 2.5.1!

Links to WSJT-X 2.5.1 installation packages for Windows, Linux, and Macintosh - http://physics.princeton.edu/pulsar/k1jt/wsjtx.html