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1. Topband: 160 Meter Propagation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 4 Dec 2000 10:32:16 -0500 (EST); There is the A index which is centered on Boulder, Co. and the Ap index which is a sum of many A index measurments taken simultaneously around the globe, including Boulder. It works in a similar way; /archives//html/Topband/2000-12/msg00036.html (9,773 bytes)
2. Topband: Dipole and Ladder Line (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 13 Nov 2000 18:44:50 -0500 (EST); Bill Asked: Can anyone tell me if the 70 ft. vertical length of ladder line that feeds my 160 meter dipole contributes anything to my reception of signals. Take Care, Thomas F. Giella KN4LF -- FAQ on; /archives//html/Topband/2000-11/msg00068.html (7,355 bytes)
3. Topband: Balanced Line Radiation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 13 Nov 2000 23:06:21 -0500 (EST); Thomas KN4LF Says: To clarify my previous statement, in "my" personal experience I've never been able to get current exactly balanced in twinlead, open wire line etc. to prevent radiation, even when; /archives//html/Topband/2000-11/msg00070.html (7,211 bytes)
4. Topband: 160 Meter Propagation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 14 Nov 2000 13:12:19 -0500 (EST); Thomas KN4LF Says: I agree with Bob's comments. 160 meter propagation is complicated but can be explained in simpler terms. The bottom line is this: 160 meter propagated signals will ALWAYS seek the; /archives//html/Topband/2000-11/msg00076.html (7,555 bytes)
5. Topband: 160 Meter Propagation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 14 Nov 2000 14:11:20 -0500 (EST); Thomas KN4LF Says: ????It's kind of like not seeing the forest for the trees. If 160 meter propagation does not follow the great circle route due to absorption through partial or total daytime stretc; /archives//html/Topband/2000-11/msg00078.html (8,062 bytes)
6. Topband: Re: [160M] Wide band noise (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Fri, 17 Nov 2000 10:52:09 -0500 (EST); Take Care, Thomas KN4LF -- FAQ on WWW: http://www.contesting.com/FAQ/topband Submissions: topband@contesting.com Administrative requests: topband-REQUEST@contesting.com Problems: owner-topband@contes; /archives//html/Topband/2000-11/msg00089.html (6,949 bytes)
7. Topband: JA Path (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Sun, 26 Nov 2000 06:24:22 -0500 (EST); Take Care, Thomas KN4LF -- FAQ on WWW: http://www.contesting.com/FAQ/topband Submissions: topband@contesting.com Administrative requests: topband-REQUEST@contesting.com Problems: owner-topband@contes; /archives//html/Topband/2000-11/msg00169.html (6,805 bytes)
8. Topband: Receive Antenna F/B (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Sun, 15 Oct 2000 13:44:56 -0400 (EDT); 73 And Take Care, Thomas Giella, KN4LF -- FAQ on WWW: http://www.contesting.com/FAQ/topband Submissions: topband@contesting.com Administrative requests: topband-REQUEST@contesting.com Problems: owner; /archives//html/Topband/2000-10/msg00092.html (7,138 bytes)
9. Topband: Beverage Over Good Ground (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 16 Oct 2000 07:32:07 -0400 (EDT); ZL3IX: A beverage over good ground will basically be deaf, as the poor ground conductivity aids in the angle that the received signal cuts the receive antenna wire. At my QTH I have swamp bordering t; /archives//html/Topband/2000-10/msg00098.html (7,127 bytes)
10. Topband: Bizarre conditions 10/28 on top band (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Sun, 29 Oct 2000 05:45:26 -0400 (EDT); Thomas KN4LF Says: I worked CN8WW on phone with my puny 135 watts, he was very strong at 59+10 but I also heard many of the other Euro stations with no problem here in central Florida. The signals to; /archives//html/Topband/2000-10/msg00165.html (8,163 bytes)
11. Topband: Low Dipole (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 30 Oct 2000 12:23:49 -0500 (EST); WA2AEH Bill Asked: My question is this, my dipole is a high angle radiator (i agree with this), but is it also a low angle receiver. Thomas KN4LF Says: A low dipole will not respond to a low angle DX; /archives//html/Topband/2000-10/msg00171.html (7,224 bytes)
12. Topband: High Angle Propagation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 30 Oct 2000 13:49:45 -0500 (EST); Thomas KN4LF Says: That's correct, high angle signals were more predominant, especially during the first night of the contest, as the lower angle signals usually required for DX contacts, were more r; /archives//html/Topband/2000-10/msg00173.html (7,048 bytes)
13. Topband: Solar Cycle 23 Peak (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Thu, 14 Sep 2000 19:44:48 -0400 (EDT); O 9/13/00 Bill W4ZV Posted: Where did the sunspots go?! -- On 9/13/00 I responded back to him but forgot to include it on the Topband Reflector. Here it is. -- Thomas KN4LF Said:?? August 2000 was su; /archives//html/Topband/2000-09/msg00062.html (9,630 bytes)
14. Topband: QRP QSO'S (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 19 Sep 2000 18:06:56 -0400 (EDT); I have been a QRP operator in varying degrees for the past 11 years. Actually I've never owned a linear but will finally have one for this upcoming 160 meter DX season but only 400 watts. I operated; /archives//html/Topband/2000-09/msg00100.html (7,397 bytes)
15. Topband: 160 Meter Loops (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Thu, 21 Sep 2000 10:41:37 -0400 (EDT); I have been experimenting and using loops on the broadcast band back to 1996 and 1990 on 160 meters. On 160 meters a loop should be .08 to .10 wavelength max. for bidirectional broadside peaking and; /archives//html/Topband/2000-09/msg00119.html (7,565 bytes)
16. Topband: Skewed Propagation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Thu, 28 Sep 2000 12:28:11 -0400 (EDT); Thomas KN4LF Says: 160 meter propagated signals are always going to travel along the path of least absorptive resistance. I saw this occur quite regularly during ionospheric storms in California when; /archives//html/Topband/2000-09/msg00164.html (6,924 bytes)
17. Topband: Auroral Path Propagation (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 8 Aug 2000 10:34:01 -0400 (EDT); I tried testing this back in the '80s and never saw any significant difference between the low end and the top end of the 160m band on a transauroral path. Whether at 1800 kc or 2000 kc, either part; /archives//html/Topband/2000-08/msg00022.html (7,657 bytes)
18. Topband: Topband Radials System (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Thu, 10 Aug 2000 18:29:32 -0400 (EDT); Dick W1ZC Said: I put down 175 radials, over about a 3/4 year period, from rolls of insulated #22,24, etc. hookup wire, bought at various flea markets (cheap) in 500-1000' rolls. Basic: the more radi; /archives//html/Topband/2000-08/msg00032.html (7,828 bytes)
19. Topband: Aurora Sighting (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Sat, 15 Jul 2000 23:03:56 -0400 (EDT); Here in Plant City, Fl. at 28 deg. north lat. at 10:45 pm on Saturday 7/15/00 I can see a faint reddish pink neon type glow on my north horizon at about 10-20 degrees above the horizon. I live in a d; /archives//html/Topband/2000-07/msg00028.html (7,426 bytes)
20. Topband: Summer 160 Meter DX (score: 1): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 31 Jul 2000 12:00:51 -0400 (EDT); KK4TR, N1CZZ and KN4LF here in Florida have been on 1830 and 1845 kc's most every night throughout this summer of 2000. With a quiet Atlantic/Caribbean tropics and the drought in the southern U.S., w; /archives//html/Topband/2000-07/msg00054.html (7,135 bytes)

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