From Alex Pettit 25/2/2026: From Jan Lustrop: I use 40 dB attenuator on port S11 for Sawbird+H1 LNAs. The above were responses to post on SARA Mailing List that noted…
https://www.astronomy.me.uk/wp-content/uploads/2026/02/BFCN-1900_dashboard.pdf
To upload a file from a folder to your website automatically every four hours, you need two parts: Below are the most practical methods depending on your setup. ✅ Option…
Yes — but whether you can unblock it depends on which Outlook you’re using and where the block is happening. Outlook blocks .py files because they’re considered executable and potentially…
Yes — the speed of light is a real, physically measurable speed. The quantity usually denoted c is the speed at which electromagnetic waves propagate through a vacuum. Its defined…
This is one of those things that feels mystical until you unpack it — then it’s just physics quietly doing its thing. Short answer:There isn’t really a “mutual ground level”…
Hook-Up Wire: Technical Reference Guide Hook-up wire is a single-conductor insulated wire used for internal electrical connections within electronic and electrical equipment. It is most commonly applied in low-voltage systems…
I have just taken delivery of 5m run of Paradpr X-400. This is meant to be a cheaper alternative to LMR-400 cable, but with similar specifications. My initial impression is…
The Theory: I have been thinking about how quantum physics joins up to gravity. How about this? Quantum physics tells us you can’t know whether something is present with certainty,…
This series appeared in the April 1973, June 1973, August, 1973, October, 1973, April 1974,December 1974, and the August 1976 issues of QST magazine.Copyright 1973,1974,1976, 1999 American Radio Relay League.…
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