Embedded Files
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"
Aurora 2026
Aurora 2026
Northern Lights Radio Society
Aurora '26
May 30, 2026
Presented by
Rob Jahnke - K0XL / K0THZ
Microwave Update October 17 2025 Tucson AZ
Microwave Update
Microwave Update
2025
2025
Tuscon AZ
October 17 th, 2025
Presented by
Warren Ferber - WF0T
North Star Convention 2025 - Slides with Notes Presented at the NLRS Club Table
North Star Radio Convention
North Star Radio Convention
2025
2025
Northern Lights Radio Society
Aurora '25
October 11 th, 2025
Presented by
Rob Jahnke - K0XL - WF0T
2025 Update - Adventures at 630/850 nm K0XL-WF0T
K0XL Presentation (pdf)
Aurora 2025
Aurora 2025
Northern Lights Radio Society
Aurora '25
June 7 th, 2025
Presented by
Rob Jahnke - K0XL - WF0T
Circular Folded Dipole Design & Analysis
K0XL Presentation (pdf)
Aurora 2024
Aurora 2024
Northern Lights Radio Society
Aurora '24
June 1 st, 2024
Presented by
Rob Jahnke - K0XL
K0XL Magnetic Loop Design & Analysis
K0XL Presentation (pdf)
Aurora 2023
Aurora 2023
Northern Lights Radio Society
Aurora '23
June 3rd, 2023
Presented by
Rob Jahnke - K0XL
The Affordable Vector Network Analyzer
K0XL Presentation (pdf)
Aurora 2022
Aurora 2022
Northern Lights Radio Society
Aurora '22
June 2nd, 2022
Presented by
Rob Jahnke - K0XL
Aurora 2019
Aurora 2019
Northern Lights Radio Society
Aurora '19
April 27, 2019
Presented by Warren Ferber - WF0T Rob Jahnke - K0XL
Light Wave Communication Presentation - CSVHFS 2019
Light Wave Communicaton White Paper (in Color) - CSVHFS 2019
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