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References: [ +from:edk0kl@centurytel.net: 72 ]

Total 72 documents matching your query.

61. Re: [Amps] Amps Digest, Vol 122, Issue 1 LK-500z (score: 1)
Author: Ed K0KL <edk0kl@centurytel.net>
Date: Sat, 02 Feb 2013 18:36:09 -0600
I have 2 LK-500's, both put out 900- 1100 watts on 10 meters. Maybe check the input tuning. It's pretty touchy, be patient. 73 ed K0KL _______________________________________________ Amps mailing lis
/archives//html/Amps/2013-02/msg00014.html (6,957 bytes)

62. [Amps] Pin 1 (score: 1)
Author: Ed K0KL <edk0kl@centurytel.net>
Date: Sat, 08 Jun 2013 19:14:37 -0500
When I was a young broadcast engineer I learned that audio shielding should only be at one end of the cable. When wiring interconnection blocks, the shield was connected to the ground bus installed a
/archives//html/Amps/2013-06/msg00193.html (7,806 bytes)

63. [Amps] L4B Caution (score: 1)
Author: Ed K0KL <edk0kl@centurytel.net>
Date: Thu, 25 Jul 2013 12:32:13 -0500
I had a bad experience when working on an L4B for a pal. The bleeder resistor mounting scheme proved to be a little poor (unusual for Drake). When reinstalled, one of the resistors shorted to the mou
/archives//html/Amps/2013-07/msg00069.html (7,747 bytes)

64. [Amps] Glass Tape (score: 1)
Author: Ed K0KL <edk0kl@centurytel.net>
Date: Fri, 26 Jul 2013 14:35:12 -0500
I purchased a few rolls of glass tape when making my own baluns. It is both an insulator and keeps the lacquer covering on the wire from chaffing on the ferrite core. Think fiberglass thread woven in
/archives//html/Amps/2013-07/msg00079.html (6,439 bytes)

65. [Amps] Glass Tape more (score: 1)
Author: Edwin Karl <edk0kl@centurytel.net>
Date: Sun, 28 Jul 2013 23:07:06 -0500
I am specifically referring to Scotch #27 Glass Cloth Electrical Tape (or so the box says). Rated to 266 degrees F. Used in furnace, oven controls and switches. I use 1/2 inch size because it's easie
/archives//html/Amps/2013-07/msg00089.html (11,361 bytes)

66. [Amps] OTA TV (score: 1)
Author: Ed K0KL <edk0kl@centurytel.net>
Date: Mon, 05 Aug 2013 15:33:29 -0500
I recall being part of a group analyzing different compression schemes and the resultant picture quality. i.e. Could you see degradation? This was at SMPTE in late 90's as I recall. One thing coming
/archives//html/Amps/2013-08/msg00046.html (6,930 bytes)

67. [Amps] L4B Connector (score: 1)
Author: Edwin Karl <edk0kl@centurytel.net>
Date: Sat, 10 Aug 2013 20:04:37 -0500
I have seen an FT-243 crystal socket modified for same ... small wire, drill hole in cover or end insert wire, solder ... Enjoy! 73! edk0kl _______________________________________________ Amps mailin
/archives//html/Amps/2013-08/msg00070.html (7,116 bytes)

68. [Amps] FAN SPEED (score: 1)
Author: Edwin Karl <edk0kl@centurytel.net>
Date: Wed, 06 Nov 2013 23:57:12 -0600
I have 2 LK-500 amps, Amp Supply paralleled 2- 10 or 20 watt resistors for slow speed, shorting them when on high speed. I added 2 thermostats and an additional resistor. Works like this. Normal low
/archives//html/Amps/2013-11/msg00096.html (7,079 bytes)

69. [Amps] L4-B (score: 1)
Author: Edwin Karl <edk0kl@centurytel.net>
Date: Sun, 30 Mar 2014 23:07:13 -0500
Just be very careful with the power resistors used in the bias cutoff/ bleeder They are mounted on long screws that run through the center of the resistor. In repairing an amplifier for a buddy, I ha
/archives//html/Amps/2014-03/msg00189.html (6,723 bytes)

70. Re: [Amps] Amps Digest, Vol 136, Issue 42 (score: 1)
Author: Ed K0KL <edk0kl@centurytel.net>
Date: Sat, 26 Apr 2014 16:58:20 -0500
I seem to recall the manual on a 1940's vintage 50 kw transmitter used DC on the filament. There was a recommendation to reverse the DC every so often to equalize the work on the filament wire ... I
/archives//html/Amps/2014-04/msg00226.html (18,263 bytes)

71. [Amps] Power meter, New York FCC (score: 1)
Author: Ed Karl <edk0kl@centurytel.net>
Date: Mon, 04 May 2015 21:25:08 -0500
As I recall as a young pup, there was a legendary Radio Inspector in New York in the 50s and 60s. No names but had an FCC license with a vanity type call. VERY unusual in those days. Later on there w
/archives//html/Amps/2015-05/msg00076.html (7,271 bytes)

72. Re: [Amps] Amps Digest, Vol 149, Issue 21 (score: 1)
Author: Ed Karl <edk0kl@centurytel.net>
Date: Fri, 15 May 2015 11:10:35 -0500
For a soft start on my LK-500ZB, I got a 2 pole relay, single throw. The coil was 12 volts, connected to the 12 volt supply in the box. 2- 10 ohm 10 watt resistors in series with each leg of the prim
/archives//html/Amps/2015-05/msg00113.html (8,627 bytes)

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