Ben Witvliet

6 Questions 18 Answers 0 Followers

Questions related from Ben Witvliet

MatLab script to read foF2, fxI, foE and foEs from inosonde SAO-file?

From most Digisonde ionosondes I can download SAO-files containing all the measured and derived values. I only need foF2, fxI, foE and foEs as function of time. Does anyone have a MatLab script to...

01 January 2016 571 3 View

How to calc. the polarization of the downward char. waves in ionospheric propagation depending on azimuth, elevation angle and Earth’ magn.field?

How can I calculate the precise (elliptical) polarization of the downward characteristic (ordinary and extraordinary) waves in ionospheric (magneto-ionic) radio wave propagation? Input parameters...

09 September 2015 5,298 2 View

How do I model an antenna above an underground metal plate in NEC4.2 or CST?

I would like to know how to model an antenna above an underground metal plate in NEC4.2 or CST? I need such a model to find out what is the influence of a metal plate of 21 x 21 meters that is...

03 March 2015 1,162 8 View

Any antenna and propagation researchers that will be at EuCAP 2015 in Lisbon?

Are there any researchers on antennas and propagation here that will also visit EuCAP 2015 in Lisbon?

03 March 2015 1,764 0 View

How to calculate polarization loss and cross-polarization for two antennas with arbitrary polarization?

For an experiment in which we measure the incoming polarization of ionospheric waves (3-10 MHz) on an antenna that is switched between LHCP and RHCP, I want to calculate what the co-polar and the...

06 June 2014 8,772 0 View

Who first described/published the three antenna method?

I recently published a paper in which I extend a new antenna measurement method with the three antenna method. However, I could not find to whom I had to contribute the "invention" of the three...

04 April 2014 9,018 0 View