- 1. [TowerTalk] Static Charge field/strike detector reply de K0FF (score: 1)
- Author: K0FF@ARRL.NET (K0FF)
- Date: Thu, 25 Jan 2001 17:23:15 -0600
- The current trough a neon tube would be too low to run a relay direct. There is a version of the Vactrol that uses a neon tube, and it shines on a phototransistor, all sealed in a plastic tube. I hav
- /archives//html/Towertalk/2001-01/msg00681.html (9,318 bytes)
- 2. [TowerTalk] Static Charge field/strike detector reply de K0FF (score: 1)
- Author: ei8ic@eircom.net (Tim Makins, EI8IC)
- Date: Mon, 29 Jan 2001 08:02:28 -0000
- I remember when it was very easy to get a phototransistor - you just filed the aluminium top off one of those 'top hat' transistors. I forget the number, but guess if you dragged that old 1960s trans
- /archives//html/Towertalk/2001-01/msg00717.html (9,654 bytes)
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