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1. Topband: ARRL's BPL 'reply' (score: 1): Author: "Ford Peterson" <ford@cmgate.com>; Date: Wed, 20 Aug 2003 22:58:05 -0500; The ARRL appears to have posted more than one document to the FCC reply to comments area. Here is a significant post -- it is 42 pages so give it a minute to load. http://gullfoss2.fcc.gov/prod/ecfs/; /archives//html/Topband/2003-08/msg00105.html (7,258 bytes)
2. Topband: Shack wiring & noise (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 12 Jan 2003 01:36:52 -0600; I made an attempt at the NAQP-CW today. Great fun. During the evening hours, I noticed something about noise on 160M and 80M that may help me achieve better S/N. It's very cold outside--about 0 degre; /archives//html/Topband/2003-01/msg00063.html (8,468 bytes)
3. Topband: Shack wiring & noise (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sun, 12 Jan 2003 21:48:42 -0600; Wow! Lots of good responses. Most want me to disconnect the furnace fan. Well, I just completed a better experiment. The "shack" is a separate metal building on my property with it's own electrical p; /archives//html/Topband/2003-01/msg00067.html (11,010 bytes)
4. Topband: re shack wiring/furnace (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Tue, 14 Jan 2003 10:54:32 -0600; Tom is right. Many respondents have urged me to check this or that and I have killed the power to the entire property with no effect on the noise. My nearest neighbor is about 1/3 mile away. Disconne; /archives//html/Topband/2003-01/msg00078.html (9,522 bytes)
5. Topband: Skewed Propagation Paths (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Thu, 16 Jan 2003 17:25:17 -0600; statement ["medium signal analysis, and I'm afraid that I have to agree with Dave on this one. From my readings in Feynman, and elsewhere, I learn that photons travel along the path of least "time" a; /archives//html/Topband/2003-01/msg00098.html (8,509 bytes)
6. Topband: A few words (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sat, 18 Jan 2003 20:59:56 -0600; ...SNIP... Earl has the only explanation that makes any sense to me. The direct path is not open, the path to a skip point that will produce suitable backscatter is open, so what you hear is the back; /archives//html/Topband/2003-01/msg00142.html (7,749 bytes)
7. Topband: inverted L question (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 20 Jan 2003 17:31:55 -0600; ...SNIP... I just helped install an "L" at a friend's station a couple of weeks ago. 125' gave the same results. We just cut the top section quite long, trimmed until the reactive component matched t; /archives//html/Topband/2003-01/msg00170.html (7,617 bytes)
8. Topband: SteppIR on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Fri, 6 Dec 2002 10:56:30 -0600; I have a "Rube Goldberg" antenna on 160. I lost my tower last spring and just cobbled together a short Rohn 25G tower and put a SteppIR 3 element yagi at 45'. Clearly too short for 160M. So, I mounte; /archives//html/Topband/2002-12/msg00095.html (7,165 bytes)
9. Topband: Thank you MPers (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 9 Dec 2002 17:43:01 -0600; I run an IC746 with 500 Hz filters at both IFs. Not exactly brilliant in the dynamic range department, but it's not as bad as many other radios. I like the rig. Last year's 160 was difficult to wade; /archives//html/Topband/2002-12/msg00132.html (6,867 bytes)
10. Topband: Finding powerline noise (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 9 Dec 2002 23:21:08 -0600; Here I go, coloring outside the lines again... It occurs to me that hardware and insulator maintenance are the only real fixes to power line noise. Finding the source of the noise is a real problem,; /archives//html/Topband/2002-12/msg00140.html (7,927 bytes)
11. Topband: 160 Vertical (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Thu, 17 Oct 2002 09:04:36 -0500; ...snip... The short answer? Yes. How much? Well, it's not that simple. In a short vertical, loading coils are used to "lengthen" the element. The higher up you go, the greater the loading coil must; /archives//html/Topband/2002-10/msg00053.html (9,695 bytes)
12. Topband: 160 Vertical (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Thu, 17 Oct 2002 13:35:44 -0500; I agree. I just put up a Yagi on a short tower. I made the whole mess into an L on 160 and screwed up the pattern on my new antenna. What happened? Basically lost the front to back I enjoyed before t; /archives//html/Topband/2002-10/msg00061.html (8,527 bytes)
13. Topband: 160M ant interaction on 20M (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Fri, 20 Sep 2002 17:27:45 -0500; I installed my new 3 el SteppIR antenna a couple of weeks ago. Some pattern distortion was noted on the bottom of 20 meters. No F/B. The antenna works great, except for the bottom of 20M. I built a s; /archives//html/Topband/2002-09/msg00150.html (7,233 bytes)
14. Topband: Bi-directional prop (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Wed, 25 Sep 2002 23:40:34 -0500; I'm a strong believer in the station hearing me as well as I hear him. Reciprocity in propagation seems to be the norm. I've got a new set of antennas this year on 160M/80M A 50' rohn 25G with top lo; /archives//html/Topband/2002-09/msg00187.html (7,578 bytes)
15. Topband: Bi-directional prop (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Thu, 26 Sep 2002 22:20:01 -0500; ** We are at rather high MAGNETIC latitude & are quite often affected by the auroral zone affects, which others to the south don't experience. Although many of the European & Asiatic countries are at; /archives//html/Topband/2002-09/msg00194.html (11,085 bytes)
16. Topband: 80m shunt feed -DESCRIPTION (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Thu, 1 Aug 2002 22:27:11 -0500; beam and ...snip... SWR This tower is quite tall for 80 meters and appears to look inductive. The shunt will also look inductive. The capacitive reactance required for resonance requires a very small; /archives//html/Topband/2002-08/msg00006.html (8,740 bytes)
17. Topband: Switching in Extra Antenna Length (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Tue, 2 Jul 2002 17:13:37 -0500; Hmmm. I pondered trying this stunt on a slightly different design and rejected the project for several reasons: 1) The voltages at the top of a resonant 80 vertical, at resonance, are going to be al; /archives//html/Topband/2002-07/msg00016.html (9,036 bytes)
18. Topband: Diversity Reception on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Wed, 3 Jul 2002 22:48:41 -0500; Tom-W8JI responded Today, I got a response from Scott Robins at TenTec to a question regarding "phase locking" the ORION's receivers. Here is his response: button on around both Put tried Again, it s; /archives//html/Topband/2002-07/msg00034.html (8,622 bytes)
19. Topband: Diversity Reception on 160 (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 8 Jul 2002 10:47:45 -0500; Regarding the question involving TenTec's ORION xcvr and diversity reception: Tom-W8JI asked: Scott Robbins of TenTec responded: Tom-W8JI then asked: Scott responded: Tom-W8JI then asked: Scott respo; /archives//html/Topband/2002-07/msg00048.html (8,258 bytes)
20. Topband: salt the ground? (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Mon, 15 Jul 2002 16:46:03 -0500; I think it oughta work real well if the goal is to kill the grass, but a topical treatment of a few hundred lbs over a 200' diameter circle (~ 3/4 acre) would amount to nothing noticable in terms of; /archives//html/Topband/2002-07/msg00091.html (9,279 bytes)

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