INAG Bulletin on the Web

INAG-70 - 2009

Opening Comments

My thanks to past contributors. I also live in hope of future contributors.

If you have a note, article, interesting data sequence, peculiar ionogram, techniques, scaling problem, or any other item of possible interest to the ionosonde community, send it to me now so it can be added to INAG Bulletin 70.

Phil Wilkinson
INAG Editor

Availability of Pakistani Ionospheric Data at WDC-A (89 kB)

(Added 5 June 2009)

Muhammad Ayyaz Ameen & Muhammad Ayub
Pakistan Space & Upper Atmosphere Research Commission (SUPARCO), PAKISTAN

Optimum Antenna Height for Single-hop Oblique Incidence ( NVIS) Propagation (169 kB)

(Added 11 June 2009)

Hon. Senior Fellow, Dept. Of Electrical Engineering & Electronics, University of Liverpool, UNITED KINGDOM

Accuracy of Virtual Height Measurements with Digisondes (size 1.9 MB)

(Added 28 October 2009)

Ivan A. Galkin, Bodo W. Reinisch, and Grigori M. Khmyrov
University of Massachusetts Lowell, Lowell, MA, U.S.A.


NOTE: Adobe Acrobat ReaderTM required

The articles are all PDF files. You will need the free Acrobat reader, or some other PDF reader to view them. Go to to obtain the free PDF reader plug-in from Adobe. I will convert articles I am sent to PDF files.

For comments on this page please email: phil @