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121. [AMPS] PEP philosophy (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 10 Jan 2000 10:37:51 -0700; -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.con; /archives//html/Amps/2000-01/msg00225.html (9,785 bytes)
122. [AMPS] PEP philosophy: TRYING (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 10 Jan 2000 12:16:46 -0700; Better post JPEGs on a Web site. The latest and greatest version of Majordomo (used on AMPS) is seemingly major-dumbo. It tells me that measures@vc.net is not a valid Internet addresses. later, Lu -; /archives//html/Amps/2000-01/msg00227.html (7,069 bytes)
123. [AMPS] Heathkit HL-2200 (score: 1): Author: measures@vcnet.com (measures); Date: Mon, 10 Jan 2000 21:53:55 -0700; They may be standard appliance rocker switches. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative; /archives//html/Amps/2000-01/msg00234.html (6,774 bytes)
124. [AMPS] input Q upgrade (score: 1): Author: measures@vcnet.com (measures); Date: Thu, 13 Jan 2000 08:55:12 -0700; ? When a G-G amplifier is driven with roughly 1w, the input Z is way different than normal. However, when the driving power is around half of normal, the input Z is almost normal. The TS-930 auto-tu; /archives//html/Amps/2000-01/msg00256.html (8,517 bytes)
125. [AMPS] Re:Question: input Z on class AB gnd grid pair 4-400 ?? (score: 1): Author: measures@vcnet.com (measures); Date: Thu, 13 Jan 2000 10:18:23 -0700; ? With three tubes vs. one tube on 10m, you need three times as much C-tune to establish the desired Q. Another old wives' tale of amateur radio bites the dust. ? I would not hesitate to run up to 5; /archives//html/Amps/2000-01/msg00257.html (9,335 bytes)
126. [AMPS] Watt meters and PEP (score: 1): Author: measures@vcnet.com (measures); Date: Thu, 13 Jan 2000 10:18:22 -0700; ? RMS is equivalent DC heating ability. For example, with a sine-wave, 200w-pk would have the heating ability of 100DC watts. . cheers, Dave - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ o; /archives//html/Amps/2000-01/msg00258.html (8,879 bytes)
127. [AMPS] Audio BS (score: 1): Author: measures@vcnet.com (measures); Date: Thu, 13 Jan 2000 22:55:47 -0700; ? A real-special disk to place on top of a CD that really and truly improves the sound. indeed, Phil. About ten years ago, someone spotted a trade journal ad from the company that makes Monster Cabl; /archives//html/Amps/2000-01/msg00274.html (7,982 bytes)
128. R: [AMPS] Watt meters and PEP (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 14 Jan 2000 06:27:01 -0700; ? And what was the low freq. limit for the HP 431 thermistor mount? As I recall, it was c. 10MHz. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.ht; /archives//html/Amps/2000-01/msg00279.html (8,480 bytes)
129. R: [AMPS] Watt meters and PEP (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 14 Jan 2000 06:26:59 -0700; ? amen For PEP measurement? This is essentially how the FCC measures PEP. .Are we to ignore the FCC inspectors' wattmeter, Ian? And if the waveform is a sinewave, the max instantaneous power is 200w; /archives//html/Amps/2000-01/msg00280.html (11,051 bytes)
130. [AMPS] WTB: HF Amplifier (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 14 Jan 2000 06:46:56 -0700; However, 240v / 60Hz transformers work semi-ok on 200v / 50Hz -- although the voltage will obviously be lower. The right way to do it is with 240v, 220v, 200v primary taps, a gorilla core, and a fil; /archives//html/Amps/2000-01/msg00281.html (7,448 bytes)
131. R: [AMPS] Watt meters and PEP+ (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 14 Jan 2000 14:43:03 -0700; Your carrier level appears to be set incorrectly, HANK. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Admini; /archives//html/Amps/2000-01/msg00291.html (7,161 bytes)
132. R: [AMPS] Watt meters and PEP (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 14 Jan 2000 14:43:05 -0700; I realize this, Ian. With a 50-ohm load, 387.3v-peak indicates 1500w PEP on the wattmeters the FCC uses. cheers . . - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contest; /archives//html/Amps/2000-01/msg00292.html (9,160 bytes)
133. R: [AMPS] Watt meters and PEP+ (score: 1): Author: measures@vcnet.com (measures); Date: Fri, 14 Jan 2000 18:34:33 -0700; You do not have 100% modulation unless it shows 4x the carrier output. cheers, Hank. - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submission; /archives//html/Amps/2000-01/msg00303.html (7,209 bytes)
134. [AMPS] RF Choke Forms (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 07:03:14 -0700; To: <amps@contesting.com> Delrin has too much D-factor. Teflon has a good D-factor but lacks stiffness. Fiberglass-filled Teflon might be ok. G-10 and G-11 epoxy-fiberglas tubing make excellent - bu; /archives//html/Amps/2000-01/msg00312.html (8,903 bytes)
135. R: [AMPS] Watt meters and PEP (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 07:03:16 -0700; They don't call it that, but this is essentially how one calibrates such a meter. When one measures 387.3v-pk across a 50-ohm load with an NBS-traceable oscilloscope and multiplier-probe, the "PEP"; /archives//html/Amps/2000-01/msg00313.html (9,028 bytes)
136. [AMPS] RF Choke Forms (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 09:16:43 -0700; As I understand it, Larry, some varieties of PVC are lossier than others. The best test I found was to hang a sample of the plastic about 6 inches from the end of my 40m dipole. Sending ''dits'' wit; /archives//html/Amps/2000-01/msg00317.html (10,514 bytes)
137. R: [AMPS] RF Choke Forms (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 09:22:46 -0700; When Teflon burns it sublimates into phosgene gas. (CoCl2) cheers, Mauri - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@cont; /archives//html/Amps/2000-01/msg00318.html (8,411 bytes)
138. [AMPS] RF Choke Forms (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 10:36:20 -0700; The key to surviving a choke fire is to unkey promptly. I had a G10 choke fire in my 8169 amplifier that it caused a stentorian arc to the roof of the rf deck The G10 discoloured a bit but did not b; /archives//html/Amps/2000-01/msg00327.html (8,691 bytes)
139. R: R: [AMPS] RF Choke Forms (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 10:36:21 -0700; si, correcto. You can easily make phosgene at home by adding ammonia to chlorene bleach. tnx, Mauri - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.contesting.com/ampsfaq.; /archives//html/Amps/2000-01/msg00328.html (7,720 bytes)
140. [AMPS] RF Choke Forms (score: 1): Author: measures@vcnet.com (measures); Date: Sat, 15 Jan 2000 10:50:59 -0700; (Lexan) ... could be Acronitrile Butydine Styrene. . how true, Larry Unfortunely, the don't carry exotic materials. . - Rich..., 805.386.3734, www.vcnet.com/measures. -- FAQ on WWW: http://www.conte; /archives//html/Amps/2000-01/msg00329.html (9,402 bytes)

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