Protected: Latest draft beta versions ezCol and ezCon from Ted Cline 8/11/2025
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Read moreAstronomy observatory in Staffordshire, England.
Astronomy observatory in Staffordshire, England.
There is no excerpt because this is a protected post.
Read moreHere’s a practical “all the ones that matter” list, with 2025 peak nights and typical peak rates (ZHR under dark,
Read moreOr….Options in the “RF switching without the clacky bits”! A solid-state coaxial relay is basically an RF switch that uses
Read moreChatGPT: For 1420 MHz reference switching where speed doesn’t matter, go with a latching electromechanical DPDT transfer (coaxial) switch. It gives
Read moreQuestion: I am concerned that I have made a bad choice by buying Tohtsu CX-520D coaxial relay from ebay to
Read moreTohtsu CX-520D coaxial relay purchased from ebay Nov 2025: Specifications: Three x type N female connector, has a common and
Read moreFrom Alex Pettit, via SARA Mailing List, 5/11/2025: Andrew, see if this analogy helps : The Top 3 Data/Drift Pair shows
Read moreWhat if any is potential benefit for adding filtering and amplification at antenna in meteor scatter detection arrangement at 143.050
Read moreInformation on MLAstro SHG 700 Spectroheliograph accessed 5/11/2025 from First Light Optics, UK, website: https://www.astronomy.me.uk/wp-content/uploads/2025/11/MLAstro-SHG-700-Spectroheliograph-First-Light-Optics-acc-051125.pdf
Read moreFollowing from Alex Pettit by email 4/11/2025:
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