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1. [Amps] Band Switch SB1000 (score: 1): Author: gclute@attbi.com (G. Clute); Date: Thu, 5 Dec 2002 23:51:32 -0800; Any ideas on where to obtain a bandswitch for the Heathkit SB1000. I'm inquiring for a friend in Tacoma, WA George W7LFD; /archives//html/Amps/2002-12/msg00099.html (6,814 bytes)
2. [Amps] 4-250F tubes (score: 1): Author: gclute@attbi.com (G. Clute); Date: Tue, 24 Sep 2002 11:30:26 -0700; I ran a pair of these on 50 mc. with 2800VDC on the plates. I used the 4CX250R version of these, but also had the 4CX250B version in the amplifier. It ran great and I really didn't care if they faile; /archives//html/Amps/2002-09/msg00231.html (7,543 bytes)
3. [Amps] RF Ground for 2nd Floor (score: 1): Author: gclute@attbi.com (Geo Clute W7LFD); Date: Mon, 15 Apr 2002 14:28:46 -0700; http://www.polyphaser.com/datasheets/PTD1016.pdf This seems to be a very accurate and valid discussion of grounding and protection from lightning strikes. Here, on the second floor of a tri-level hou; /archives//html/Amps/2002-04/msg00368.html (8,654 bytes)
4. [Amps] RF Ground for 2nd Floor (score: 1): Author: gclute@attbi.com (Geo Clute W7LFD); Date: Tue, 16 Apr 2002 15:45:02 -0700; Huh? The number 6 copper is tied to the utility ground rod. This is a single wire to the ham shack with all equipment...including call director, transceivers, television computers, fax machines, DC p; /archives//html/Amps/2002-04/msg00391.html (10,328 bytes)
5. [AMPS] Porcelain Standoffs (score: 1): Author: gclute@attbi.com (Geo Clute W7LFD); Date: Thu, 31 Jan 2002 07:54:48 -0800; I've experienced some arcing problems with porcelain standoffs. It seems to start with a carbon pitting and then at some point it heats the porcelain and causes an explosion inside the cabinet. Is th; /archives//html/Amps/2002-01/msg00372.html (7,316 bytes)
6. [AMPS] Porcelain Standoffs (score: 1): Author: gclute@attbi.com (George Clute W7LFD); Date: Thu, 31 Jan 2002 11:14:46 -0800; Thanks Jim, I suspect you've hit the mark after considering the very high anode voltage present in the circuit. The tiny carbon pits after a few hours of use provides a clue to what is happening. I s; /archives//html/Amps/2002-01/msg00387.html (9,147 bytes)
7. [AMPS] HV Pole Pigs ++ (score: 1): Author: gclute@attbi.com (Geo Clute W7LFD); Date: Thu, 20 Dec 2001 09:39:21 -0800; I like the concept of "Dial-A-Voltage". Variac and pole peg mounted in a 4 wheeled photo copier cabinet. Oh yes...an Edsel steering wheel on the Variac. Still looking for the Edsel. Geo W7LFD -- FAQ; /archives//html/Amps/2001-12/msg00394.html (8,644 bytes)
8. [AMPS] HV Pole Pigs ++ (score: 1): Author: gclute@attbi.com (Geo Clute W7LFD); Date: Thu, 20 Dec 2001 10:10:22 -0800; My transformer was never in oil/PCB. It may not have been a pole peg. Input 220 VAC output is 5540 VAC. Strap copper windings on the Primary/Secondary. Ran it for years with an Eimac 4-1000A. 6750 VD; /archives//html/Amps/2001-12/msg00396.html (10,726 bytes)

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