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21. [AMPS] Mission Impossible (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Mon, 06 Mar 2000 07:15:07 -0500; I've always been told that it's my "LOUSY" receiver that's causing the problem! 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative request; /archives//html/Amps/2000-03/msg00224.html (7,939 bytes)
22. [AMPS] Amp Stability (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Wed, 08 Mar 2000 07:33:58 -0500; After following the reflector posts for awhile, I should like comments on the following: 1. The common practice of bringing together the input and output of an amplifier together to a single TR relay; /archives//html/Amps/2000-03/msg00450.html (7,270 bytes)
23. [AMPS] Hot Switching (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Mon, 20 Mar 2000 21:43:28 -0500; When I was QSKing my Drake L-7, I took some measurements on my TS-940. I was astonished to find that the voltage for the TR relay was delayed 3ms from key closure. This and the 2ms operate time of th; /archives//html/Amps/2000-03/msg00855.html (8,312 bytes)
24. [AMPS] QRO or Commander? (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sun, 27 Feb 2000 13:10:47 -0500; I wonder how they get around 97.317 with it's drive power and gain restrictions? 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative reques; /archives//html/Amps/2000-02/msg00608.html (6,802 bytes)
25. [AMPS] Pulse tubes (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Wed, 26 Jan 2000 03:25:40 -0500; It seems that several "ham" variety tubes have their pulse rated equivalents. Are these tubes the equivalent of their normal brethren as regards linearity as used in ham applications? 73, Roger -- FA; /archives//html/Amps/2000-01/msg00530.html (6,536 bytes)
26. [AMPS] Harbach on flight 990 (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Thu, 02 Dec 1999 11:50:23 -0500; I checked the passenger list on the web and there was no Harbach listed. 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps; /archives//html/Amps/1999-12/msg00010.html (6,515 bytes)
27. [AMPS] Little amp -- wanted (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sun, 12 Dec 1999 12:21:43 -0500; If I read the FCC rules correctly, an amp with these specs would be illegal. Too much gain and/or too little drive required. 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submission; /archives//html/Amps/1999-12/msg00118.html (7,427 bytes)
28. [AMPS] Little amp -- wanted (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sun, 12 Dec 1999 12:51:21 -0500; After rereading the rules for the umpteenth time, it would appear that the sale of said amps is legal under certain circumstances. I think that we all should thank the FCC for giving us the 27 MHz Ci; /archives//html/Amps/1999-12/msg00121.html (7,622 bytes)
29. [AMPS] 807's (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Mon, 01 Nov 1999 12:31:47 -0500; The shape of the old 807's somewhat resembled the beer bottles of it's day. 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: a; /archives//html/Amps/1999-11/msg00037.html (6,365 bytes)
30. [AMPS] Whither the 807? (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Tue, 02 Nov 1999 00:25:09 -0500; K1DWQ and I had a good start on one until his mother opened his closet and found the vertical sections! 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.co; /archives//html/Amps/1999-11/msg00067.html (7,923 bytes)
31. [AMPS] SB-200 (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Thu, 18 Nov 1999 16:57:02 -0500; Could someone with a SB-200 manual give me the values of the mica caps in the input tuned circuits for 80-10m. Thanks, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@co; /archives//html/Amps/1999-11/msg00400.html (6,638 bytes)
32. [AMPS] Re: swr (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sat, 02 Oct 1999 12:22:22 -0400; It is unfortunate that we use the same term (ohms) for resistance, reactance and impedance. It sure acts to confuse the newcomer! We must remember that impedance consists of both a resistive and a re; /archives//html/Amps/1999-10/msg00046.html (9,120 bytes)
33. [AMPS] Conjugate Matching (again) (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sat, 02 Oct 1999 12:43:32 -0400; Just to make sure I was correct, I looked up conjugate match in one of my textbooks. A conjugate match exists when reactances are cancelled and the resistance of the load is matched to the internal r; /archives//html/Amps/1999-10/msg00047.html (7,591 bytes)
34. [AMPS] SWR and line length, etc. (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Mon, 04 Oct 1999 17:52:44 -0400; After playing with my electronic Smith chart program, the answer is obvious. The impedance plot of an antenna can appear anywhere on the chart. The point nearest the chart center will be the point of; /archives//html/Amps/1999-10/msg00146.html (8,168 bytes)
35. [AMPS] Zo of SWR meters (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Wed, 06 Oct 1999 11:45:53 -0400; After reviewing the manual for my Bird 43, I have come to the conclusion that the Zo of the SWR meter will have little or no effect on the SWR readings when used in lines of other impedances. The pow; /archives//html/Amps/1999-10/msg00230.html (7,030 bytes)
36. [AMPS] Re: (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Sun, 31 Oct 1999 10:44:14 -0500; In it's other life, mine is called a keyer. 73, Roger -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Probl; /archives//html/Amps/1999-10/msg00692.html (6,617 bytes)
37. [AMPS] Conjugate matching and amplifiers (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Thu, 30 Sep 1999 23:51:17 -0400; Poor Jon is going to think I'm picking on him but I must disagree on his statements about conjugate matching of amplifiers. In reality the PA tube is only matched to the extent that it produces the d; /archives//html/Amps/1999-09/msg00005.html (8,824 bytes)
38. [AMPS] RJ-1 relay (score: 1): Author: N1RJ@pivot.net (N1RJ@pivot.net); Date: Sun, 04 Jul 1999 12:20:01 -0400; When I was QSKing my Drake L-7, I measured the closure time of several RJ-1's I had on hand. Although the relays were rated at 8ms closure time, all of mine actuated in abt 2ms with 24 volts on the c; /archives//html/Amps/1999-07/msg00039.html (7,467 bytes)
39. [AMPS] RJ-1 relay etc (score: 1): Author: N1RJ@pivot.net (N1RJ@pivot.net); Date: Mon, 05 Jul 1999 14:02:04 -0400; My TS-940 produces RF output at 5.5ms after key closure. The T/R relay is driven from a waveform that is delayed 3ms from key closure. With the 2ms delay of the T/R relay, the switch signal to the am; /archives//html/Amps/1999-07/msg00066.html (6,964 bytes)
40. [AMPS] RE: 4cx10000 (score: 1): Author: n1rj@pivot.net (Roger D. Johnson); Date: Fri, 09 Jul 1999 15:41:36 -0400; I would rather have some idiot running 1500 watts splattering than one running 15kw splattering. 73, Roger -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Admini; /archives//html/Amps/1999-07/msg00160.html (7,753 bytes)

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