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Re: [CQ-Contest] Bayonet type bulbs-Ham M Control Box

To: "CQ Contest" <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] Bayonet type bulbs-Ham M Control Box
From: Pete Michaelis - N8TR <pete.n8tr@gmail.com>
Date: Fri, 24 Aug 2007 23:14:40 -0400
List-post: <mailto:cq-contest@contesting.com>
My T2X and Ham IV rotor control boxes all use a 1819 bulb which is rated for
28 volts at .04 amps.

73 Pete - N8TR


At 06:18 PM 8/24/2007, Carol Richards wrote:


First of all, let me thank the numerous replies to my request. As it turned out, Radio shack had them locally. Unfortunately, I goofed. They are neither #47 nor #44 bulbs as I thought. They are both 6.3v types. After the first replace went in and blew immediately, (dummy me), I looked at the circuit and saw that it was in parallel with the secondary of the meter transformer, before any rectifiers. Thus the type of bulb I need is for AC and I would suspect 18vac. There is a 13v zener that is used afterwards.

Of course, both the manual and the parts list for the ham-m don't give any clue as to the type of transformer or the number of the bulb.


Any help out there?



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