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1. Re: [Amps] Life of tubes in ham service - Correction (score: 1): Author: "Mark, K5AM" <k5am@zianet.com>; Date: Wed, 27 Dec 2017 00:27:18 +0000; Correction: Should have said fig 5 on page 7. The heater regulator limits the heater current to slightly over the normal level. This provides a slow warm-up. It takes over a minute to reach normal he; /archives//html/Amps/2017-12/msg00163.html (8,549 bytes)
2. Re: [Amps] Life of tubes in ham service - Correction (score: 1): Author: "Jim W7RY" <jimw7ry@gmail.com>; Date: Tue, 26 Dec 2017 19:23:13 -0600; A simple resistor in series with the filament transformer and shorted by a relay after a second or two is MUCH easier. 73 Jim W7RY Correction: Should have said fig 5 on page 7. The heater regulator l; /archives//html/Amps/2017-12/msg00164.html (9,386 bytes)

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