K0XL/K0THZ Presentation with Notes pdf
Photodiode Characteristics - Reference pdf
Cloud Scatter Angle Tool - Spreadsheet xlsx
(Download this xlsx file and open with Excel or Sheets)
Cloud Scatter Angle Tool - Interactive graphics - Geogebra html
(Download this html file and open with Chrome)
Optical Communications for the Amateur - Chri Long
North East Weak Signal Group - April 24/25 2006 - Many interesting presentations
including "940 nm 1 Year Later"
Northern Lights Radio Society
Aurora '26
May 30, 2026
Microwave Update October 17 2025 Tucson AZ
Tuscon AZ
October 17 th, 2025
North Star Convention 2025 - Slides with Notes Presented at the NLRS Club Table
Northern Lights Radio Society
Aurora '25
October 11 th, 2025
2025 Update - Adventures at 630/850 nm K0XL-WF0T
K0XL Presentation (pdf)
Northern Lights Radio Society
Aurora '25
June 7 th, 2025
Circular Folded Dipole Design & Analysis
K0XL Presentation (pdf)
Northern Lights Radio Society
Aurora '24
June 1 st, 2024
K0XL Magnetic Loop Design & Analysis
K0XL Presentation (pdf)
Northern Lights Radio Society
Aurora '23
June 3rd, 2023
Dielectric Loss in Plastics
Plastics for Ham Radio (pdf)
Plastics for QSO Academy (pdf)
John Portune - 2023
Lessons learned about Dielectric Loss in Plastic as a result of
Mag Loop Antenna Experiments
The Affordable Vector Network Analyzer
K0XL Presentation (pdf)
Northern Lights Radio Society
Aurora '22
June 2nd, 2022
Light Wave Communication Presentation - CSVHFS 2019
Light Wave Communicaton White Paper (in Color) - CSVHFS 2019