
Tech Night - Radio Astronomy
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- Written by: G Wolfe (KIØKK)
Mike Stewart, NØTU, was the presenter for the March 2025 Tech Night. The topic was Radio Astronomy, it's history and the science. The overlap between amateur radio and radio astronomy may surprise you. Much like hams, amateur radio astronomers develop hardware, software, and techniques to observe the invisible universe.
Radio Pouch for HT
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- Written by: Jeff Darby (KSØJD)
Here is a pouch for an HT that you can attach to your belt or back pack. It is reasonably priced as well and is available on Amazon.
https://www.amazon.com/dp/B08B3P71WH?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1
Tech Night - Cybersecurity Safety
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- Written by: Greg Wolfe
The featured presenter for the October 2024 Tech Night was Tom Brittain - KFØNPE. Tom's presentation was on Information Security. October is Cyber Security Month. The presentation addressed general practices, information threats and how to reduce risks.
Tech Night (Sept 2024) - Propagation Changes
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- Written by: L Hall (KDØRIU)
Larry Hall - KD0RIU gave a presentation about: Propagation Changes for the Ham Bands During the 24-hour Sun Cycle. The propagation presentation uses the DR2W website to present maps of propagation at different times during the day on on selected bands. Jeff Darby presented a method of adapting Anderson Power Pole connectors to bare wire using "Wago" lever nuts.
Click here to view and/or download a PDF of the Propagation presentation.
Half Wave Antennas
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- Written by: Larry Hall (KDØRIU)
( YouTube Video) Larry Hall KDØRIU discussed the theory and use of Half Wave Dipoles at the SFTARC August 2024 Tech Night.