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341. TopBand: 5W0VV (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Thu, 19 Mar 1998 22:27:59 EST; He was signing 5W0VD this morning on 1824 -- 5W0SZ the other day. Good signals on the West Coast. I understand they'll be there through the weekend, then move on to Fiji. 73, de Earl, K6SE __________; /archives//html/Topband/1998-03/msg00320.html (7,227 bytes)
342. TopBand: NL7Z (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Fri, 20 Mar 1998 22:16:45 EST; I don't know which day the echo phenomenon occured, but yesterday morning at about 1400Z (19 Mar GMT) I heard echos on another California station while I was listening SW. It reminded me a lot like t; /archives//html/Topband/1998-03/msg00350.html (7,111 bytes)
343. TopBand: Sources of radial wire (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Fri, 20 Mar 1998 22:16:45 EST; "The next best source I'm aware of is electric fence wire, available at farm suppliers such as Tractor Service Co or Quality Farm and Fleet. It costs about $25.00 for a half mile. I've never used it.; /archives//html/Topband/1998-03/msg00351.html (8,637 bytes)
344. TopBand: Re: Elevated GP vs. Vertical Antennas (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sun, 22 Mar 1998 00:58:14 EST; The first 6 additional radials are already in place but not connected. For the measurement you are trying to do, it would be much better if the existing radials weren't there - connected or not. I do; /archives//html/Topband/1998-03/msg00393.html (9,828 bytes)
345. TopBand: Elevated GP vs. Vertical Antennas (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sun, 22 Mar 1998 00:58:13 EST; Possible use of antenna design that does not include earth return current dependency for the feedpoint (some form of vertically polarized loop) What does EZNEC have to say about a full size loop, ver; /archives//html/Topband/1998-03/msg00394.html (11,126 bytes)
346. TopBand: Re: Low angle versus high angle (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sun, 22 Mar 1998 00:58:13 EST; Unfortunately, vertical polarised antennas don't work too well in some places - like in the Perth area of VK6, for example. Mike VK6HD and I both use dipoles - myself an inverted-U at 66 - 45' high,; /archives//html/Topband/1998-03/msg00395.html (8,012 bytes)
347. TopBand: Re: Elev. Radial Qx. (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sun, 22 Mar 1998 03:31:56 EST; The question is: what further improvement is realized by using more than two 1/4 wave radials when the "ground" 66 ft below is the ocean? ____|____ _ 1/4L Vert. w /two res. radials at 66 feet _______; /archives//html/Topband/1998-03/msg00399.html (7,991 bytes)
348. TopBand: Re: Echos (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sun, 22 Mar 1998 13:28:06 EST; The multipath ECHO I heard would seem to indicate a delay caused by TWO PATHS though. The AMOUNT of delay noted would seem to indicate one signal travelled FURTHER than the other I was hearing. == If; /archives//html/Topband/1998-03/msg00407.html (7,687 bytes)
349. TopBand: Re: Echos (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Tue, 24 Mar 1998 02:28:08 EST; I read Cary Oler's post with all of the fancy theory. The NL7Z/K1ZM path reminds me a lot about W0ZV's (now W4ZV) sunrise QSO with a UA9, which Bill said was long path, but he did admit that the sign; /archives//html/Topband/1998-03/msg00449.html (8,929 bytes)
350. TopBand: Re: Echos (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Tue, 24 Mar 1998 11:11:43 EST; "I once sat in on a talk by Frank, W3LPL, that cleared up a lot of my questions. He correctly pointed out that not only is the earth's surface and the sea surface uneven, but the ionosphere can also; /archives//html/Topband/1998-03/msg00457.html (8,129 bytes)
351. TopBand: Interlaced Delta Loops (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Tue, 24 Mar 1998 11:48:38 EST; Reflectees: Carl, KM1H asked what interlaced delta loops might look like using EZNEC. I sent him the following info and he requested that I share it with others. Here it is: First, I modeled a single; /archives//html/Topband/1998-03/msg00458.html (10,206 bytes)
352. TopBand: Delta dimensions (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Wed, 25 Mar 1998 13:58:53 EST; "I found my actual Delta loop dimensions...140'7" for each side and 243'7" for the horizontal leg. At 6' above ground, this resonated at 1830 kHz. I found EZNEC's results were resonant at a significa; /archives//html/Topband/1998-03/msg00470.html (9,300 bytes)
353. TopBand: El Nino (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Wed, 25 Mar 1998 14:29:27 EST; I often wonder if my normally dry Mojave Desert alkaline soil becomes more conductive when it rains. If so, it would effect my TOA. Don't know if this is beneficial or not. We've certainly had much g; /archives//html/Topband/1998-03/msg00471.html (7,801 bytes)
354. TopBand: El Nino/Soil Conductivity (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Fri, 27 Mar 1998 11:28:07 EST; Thanks to all who commented on my question regarding my alkaline soil conductivity when it rains -- much appreciated. Beverage antennas are said to perform best over poor soil conditions. Bill, K0HA; /archives//html/Topband/1998-03/msg00497.html (7,091 bytes)
355. TopBand: Interlaced Delta Loops (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Fri, 27 Mar 1998 15:59:26 EST; "Earl, I used a Delta from my first NC location for 1 year and then from my current NC location for 1.5 years. The "best" configuration is a slightly "squashed" format, with the base longer. The ante; /archives//html/Topband/1998-03/msg00498.html (8,994 bytes)
356. TopBand: Interlaced Delta Loops (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sat, 28 Mar 1998 03:02:06 EST; Jon, AA1K asked what effect a 120' support tower would have on the "squashed" delta loop I posted earlier. Adding the tower had such an interesting effect that I thought I'd share this with everyone.; /archives//html/Topband/1998-03/msg00502.html (8,986 bytes)
357. TopBand: sloping parasitic array (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Sun, 29 Mar 1998 16:51:38 EST; "What difference will it make whether I series-feed the tower or shunt-feed it, if any? == I modeled 3 configurations of the 128' vertical without any parasitic elements in the field: 1) Series fed 2; /archives//html/Topband/1998-03/msg00512.html (8,234 bytes)
358. TopBand: EWEs (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Tue, 31 Mar 1998 16:43:07 EST; Eric, N7CL commented that Ewes perform better over better ground. This might be true only because the ground conductivity greatly affects the TOA (in this case, the angle of max reception), but this; /archives//html/Topband/1998-03/msg00531.html (8,509 bytes)
359. TopBand: W4YV & SP5EWY - Half Slopers (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Tue, 03 Feb 1998 03:53:44 EST; Re: SP5EWY's posting on this reflector about half-slopers. I'm no expert on them, having only used one on 80m for a year. It was a very effective antenna, but it totally messed up my 160m shunt feed; /archives//html/Topband/1998-02/msg00023.html (8,575 bytes)
360. TopBand: P4 Solar Eclipse Feb 26 - Grayline Propagation? (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Thu, 05 Feb 1998 17:36:01 EST; Hello, Jacob, Regarding your total solar eclipse on 26 Feb, the largest the Moon's shadow can ever be on the Earth's ionosphere is only about 170 miles (274 km) in diameter, so it's doubtful that any; /archives//html/Topband/1998-02/msg00062.html (9,079 bytes)

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