Biography

SWL since 1957; licensed in 1964; active 1964-1992, 2020-current.
Bio: https://www.qsl.net/4x4xm/Personal-Bio.htm

Education: 1977 Msc. Physics (Molecular Physics, Physical Chemistry, Electro-Optics)

Specialties: Scientific Research, R&D, System Analysis, Management, Planning, Audit, Arbitration, Expert Witness.

Occupations: R&D of advanced physical systems, system engineering, project manager, expert witness, public representative.

Interests include ham radio (understanding HF propagation), genealogy (researcher and webmaster since 1997), public health, environmental protection, social justice, political correctness, civil non-governmental organization cooperation, and singing choirs.

* Ham radio comeback at retirement (2020)
* Researching real-time HF propagation conditions (prediction & forecast)
https://www.qsl.net/4x4xm/HF-Propagation.htm

Equipment

1964-1992 Homebrew and modified Vintage Rig
https://www.qsl.net/4x4xm/Personal-Bio.htm#Rig

Since 2020 QRP SDR rig; magnetic loop antennas
https://www.qsl.net/4x4xm/Personal-Bio.htm#CRig