This is a list of articles and papers I have written.
Intrinsically Safe Radios and Pagers
IERE Conference Proceedings, Leeds 1979
Patent application, Philips Consumer Communications, 1998
Radio Communications at Frequencies Below 10kHz
Radio Communications April 1975
A VLF Up-converter for Shortwave Receivers
Radio Communications 1976?
VLF Experiments Through the Ground
Radio Communications Oct 2011
Various others in Practical Wireless, Radio User, SPRAT, ISWL Monitor and overseas amateur magazines.