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References: [ +from:Thomas: 325 ] [ Giella: 245 ]

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21. Topband: Switching In Extra Antenna Length (score: 266): Author: Thomas Giella, KN4LF" <kn4lf@arrl.net (Thomas Giella, KN4LF); Date: Fri, 5 Jul 2002 09:48:47 -0400; 73, Thomas Giella, KN4LF Plant City, FL KN4LF 160 Meter Amateur Radio Resources: http://www.kn4lf.com -- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.co; /archives//html/Topband/2002-07/msg00040.html (8,578 bytes)
22. Topband: Ionospheric & Geo (score: 266): Author: Thomas Giella, KN4LF" <kn4lf@arrl.net (Thomas Giella, KN4LF); Date: Tue, 9 Jul 2002 19:46:39 -0400; Mac PY2CW Asked: Is there any correlation between top band propagation conditions versus solar activity, ionospheric conditions, geophysical activity, etc?..... KN4LF MF Radio Propagation Theory Note; /archives//html/Topband/2002-07/msg00054.html (7,573 bytes)
23. Topband: Beverage Transformers (score: 266): Author: Thomas Giella, KN4LF" <kn4lf@arrl.net (Thomas Giella, KN4LF); Date: Mon, 15 Jul 2002 10:01:15 -0400; I have used both the conventional multiple filar winding transformers as covered in ON4UN's book and the isolation transformers too. I have personally found the best performance as far as reduced noi; /archives//html/Topband/2002-07/msg00087.html (7,295 bytes)
24. Topband: Re: FL DX & Topband Propagation (score: 274): Author: Thomas Giella, KN4LF" <kn4lf@earthlink.net (Thomas Giella, KN4LF); Date: Fri, 1 Mar 2002 12:55:07 -0500; I and KK4SI easily worked 5B4MF and W4MZ worked 5H1RK from Florida's central east coast last night. PW0T was also finally Q5 audible here at my station in west central Florida. We are seeing the best; /archives//html/Topband/2002-03/msg00012.html (9,633 bytes)
25. Topband: Topband RX Ant Reality Check (score: 274): Author: Thomas Giella, KN4LF" <kn4lf@earthlink.net (Thomas Giella, KN4LF); Date: Sat, 2 Mar 2002 09:18:42 -0500; To suggest that an op. wait to call a DX station when the DX station bumps up to Q5 is nonsense. If our fellow ops with 200-300+ DXCC countries followed that idea their totals would be much lower. So; /archives//html/Topband/2002-03/msg00027.html (7,161 bytes)
26. Topband: Tail Ending Legitimate (score: 274): Author: Thomas Giella, KN4LF" <kn4lf@earthlink.net (Thomas Giella, KN4LF); Date: Sat, 2 Mar 2002 22:04:23 -0500; I think most reasonable people would define the "tail ending" technique as: timing the transmission of ones own call to coincide with the hordes of other DXers all temporarily ending their calling at; /archives//html/Topband/2002-03/msg00032.html (7,798 bytes)
27. Topband: Topband Takeoff Angles (score: 138): Author: kn4lf@earthlink.net (KN4LF, Thomas Giella); Date: Wed, 06 Mar 2002 17:12:08 +0000; Bert Asked: Is there any information out there on most useful TOA's on 160m, in particular for the Eastern NA to Europe path? Thomas KN4LF Says: Well most antennas in the real world transmit "some" R; /archives//html/Topband/2002-03/msg00051.html (7,051 bytes)
28. Topband: ICEPAC & PROPLAB PRO (score: 138): Author: kn4lf@earthlink.net (KN4LF, Thomas Giella); Date: Thu, 07 Mar 2002 12:42:47 +0000; Carl K9LA is certainly correct, ICEPAC does not give correct results for 160 meters. Unfortunately neither does PROPLAB PRO, though it is better software then nothing. 73, Thomas Giella, KN4LF; /archives//html/Topband/2002-03/msg00059.html (6,499 bytes)
29. Topband: Chain Link Fence Grounding (score: 274): Author: Thomas Giella" <kn4lf@earthlink.net (Thomas Giella); Date: Mon, 11 Mar 2002 18:32:41 -0500; My personal experience with chain link fencing in the ground system of a vertical antenna was negative. Even with the small amount of current actually running on it I got rectification problems, lot'; /archives//html/Topband/2002-03/msg00108.html (7,507 bytes)
30. Topband: Elevated Radial Counterpoise (score: 138): Author: kn4lf@earthlink.net (Thomas Giella); Date: Wed, 13 Mar 2002 10:47:37 +0000; I use an 80 foot vertical Tee with a 46 foot long horizontal linear load five feet above ground and with four 90 foot capacity hat wires. The feedpoint is five feet above ground with thirty five 1/8; /archives//html/Topband/2002-03/msg00115.html (6,592 bytes)
31. Topband: FL 0400 UTC 160 DX Opening (score: 138): Author: kn4lf@earthlink.net (Thomas Giella); Date: Sat, 23 Mar 2002 18:24:03 +0000; The "Topband Phone DX'ers Group" was in session this morning starting at 0400 UTC on 1847 kc. We had a good band opening from New England to Florida and as far west as Texas, with MW0, G's, HB, LA's,; /archives//html/Topband/2002-03/msg00226.html (6,881 bytes)
32. Topband: Fantastic 160 Opening to EU (score: 274): Author: Thomas Giella" <kn4lf@earthlink.net (Thomas Giella); Date: Tue, 26 Feb 2002 09:15:08 -0500; Last night the band was open gangbusters into Florida. CT1ALF peaked at an amazing S9+20 and S57UES peaked at 59+5 with his 100 watts. I was listening on my 80 foot Tee. 73, Thomas Giella, KN4LF Plan; /archives//html/Topband/2002-02/msg00222.html (7,141 bytes)
33. Topband: H7DX & TI9M (score: 146): Author: kn4lf@earthlink.net (Thomas Giella, KN4LF); Date: Thu, 28 Feb 2002 15:26:44 +0000; H7DX and TI9M had 599/59 good signals into Florida yesterday evening and I worked them easily. Good thing they were strong as late season cold weather power line increased load induced QRN is through; /archives//html/Topband/2002-02/msg00248.html (6,878 bytes)
34. Topband: Propagation Mailing List (score: 146): Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella); Date: Thu, 10 Jan 2002 22:36:34 -0500; I'm compiling a list of radio enthusiasts who would like to receive direct emailings of my 7 Day Medium Wave Radio Propagation Outlooks and timely event updates, rather then go to my website only. If; /archives//html/Topband/2002-01/msg00059.html (7,233 bytes)
35. Topband: DX Opening Into FL Tonight (score: 138): Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella); Date: Thu, 17 Jan 2002 11:48:49 +0000; We finally had a sustained good opening into Florida tonight from Europe and it coincided with my latest propagation outlook! Lot's of G's and I's and they were a real 59 on phone and on my Tee verti; /archives//html/Topband/2002-01/msg00116.html (6,402 bytes)
36. Topband: Meanook Again (score: 138): Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella); Date: Thu, 17 Jan 2002 21:54:28 +0000; Tom W8JI and Greg, ZL3IX are correct. The Kp index just doesn't consistently correlate that well with poor overall propagation conditions on 160. If the Kp index is high it "could" mean unpredictable; /archives//html/Topband/2002-01/msg00125.html (7,001 bytes)
37. Topband: 160 Newbie Antenna Advice (score: 138): Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella); Date: Thu, 24 Jan 2002 15:07:52 +0000; Thomas KN4LF Says: I've had very good luck with ground level fed 100 foot slopers with the far ends supported at 33 feet from a non metallic support structure. I've also had good luck with short 290-; /archives//html/Topband/2002-01/msg00191.html (6,695 bytes)
38. Topband: 160 One Way Propagation (score: 138): Author: kn4lf@nrcdxas.org (KN4LF, Thomas Giella); Date: Tue, 29 Jan 2002 22:47:17 +0000; Thomas KN4LF Says: There is a 160 one way propagation phenomena and it's tied to the E-F Layer ducting/E valley propagation mechanism. Most mediumwave frequency RF signals in excess of 3100 miles is; /archives//html/Topband/2002-01/msg00249.html (7,983 bytes)
39. Topband: 7 Day Medium Wave Propagation Outlook (score: 138): Author: kn4lf@hotmail.com (KN4LF, Thomas Giella); Date: Sat, 1 Dec 2001 07:34:38 -0500; Just an FYI, shortly I will begin producing a 7 day medium wave propagation outlook, to be issued on a weekly basis. It will be on my radio wave propagation website at http://www.kn4lf.com/kn4lf5.htm; /archives//html/Topband/2001-12/msg00000.html (6,997 bytes)
40. Topband: Radials And Snow (score: 146): Author: kn4lf@hotmail.com (thomas giella); Date: Mon, 10 Dec 2001 00:19:11 -0500; --=_NextPart_001_0000_01C18110.4A97B280 Content-Type: text/plain; charset="iso-8859-1" Bill Gerhold Asked: Has anyone ever measured the conductive properties of snow? Seawater 5000 mS/m Pastoral 30 m; /archives//html/Topband/2001-12/msg00036.html (8,058 bytes)

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