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.
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.
10 Best Portable HF Antennas
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- Written by: Jim Andera (KØNK)
Walt, K4OGO, does a nice job of comparing ten different HF antennas he has used in portable setups. It is certainly worth the 16 minutes it takes to view it. The content may also inspire ideas for installing a limited-size antenna in your back yard.