Mail Archive Search: <+from:Thomas Giella>

Results:

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

Total 186 documents matching your query.

101. R: Topband: 240' tower (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 7 Feb 2000 18:52:04 -0500 (EST); Thomas KN4LF Says: Unfortunately, for a 1/2 wave vertical the Fresnel Zone where the first reflection occurs and your low angle pattern develops and a high quality ground screen would need to be conc; /archives//html/Topband/2000-02/msg00053.html (7,186 bytes)
102. Topband: RE: Top Hat Vertical Or T Antenna (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 21 Feb 2000 15:51:07 -0500 (EST); 73, Thomas Giella KN4LF -- FAQ on WWW: http://www.contesting.com/topband.html Submissions: topband@contesting.com Administrative requests: topband-REQUEST@contesting.com Problems: owner-topband@conte; /archives//html/Topband/2000-02/msg00152.html (6,932 bytes)
103. Topband: Contest QRN (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Thu, 24 Feb 2000 09:31:32 -0500 (EST); I own a small weather consulting business alongside my antenna manufacturing company. As an FYI It appears that much thundertorm induced QRN will be around in North America, for the start of the cont; /archives//html/Topband/2000-02/msg00172.html (6,678 bytes)
104. Topband: DX (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 29 Feb 2000 10:13:00 -0500 (EST); I worked HB2CXZ on 1840.5 LSB at 0544 UTC this morning with my QRP 100 watts, he was 59 here in Central Florida. I can't find any info on this station in QRZ or Buckmasters. Did I copy the C/S wrong?; /archives//html/Topband/2000-02/msg00208.html (6,711 bytes)
105. Topband: strange band (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 29 Feb 2000 13:25:53 -0500 (EST); Thomas KN4LF Said: It's actually chordal hop propagation, a ducting of the signal between the E and F layers. If you are on the receiving end of a transmitted signal coming in from the NW say from KL; /archives//html/Topband/2000-02/msg00210.html (7,890 bytes)
106. Topband: Topband - Near-Realtime Grayline Map of Ionospheric MUFs (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Wed, 26 Jan 2000 09:40:02 -0500 (EST); Most everyone continues to be amazed that XZ0 continues to be best into the U.S. from the SW. If you look at the grayline map at your local sunrise, you will see that the signal is following the gray; /archives//html/Topband/2000-01/msg00215.html (6,989 bytes)
107. Topband: Sunset QRN (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Fri, 28 Jan 2000 10:21:56 -0500 (EST); Thomas Giella KN4LF Plant City, Fl. kn4lf@webtv.net KN4LF HF Wire Antenna Sales Site http://kn4lf.tripod.com/index-10.html -- FAQ on WWW: http://www.contesting.com/topband.html Submissions: topband@c; /archives//html/Topband/2000-01/msg00236.html (7,064 bytes)
108. Topband: 160 Meter Propagation (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Fri, 28 Jan 2000 19:39:00 -0500 (EST); Thomas KN4LF Says: Same here, got my first one of the season night before last. Last season I worked 45 new countries, with all but 8 coming after February 1st. Why? Mid winter anomaly. Excessive D l; /archives//html/Topband/2000-01/msg00244.html (7,127 bytes)
109. Topband: Receiver Performance (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Sun, 30 Jan 2000 08:22:45 -0500 (EST); On the subject of receiver performance, my old FT-101EE hears weaker signals better on 160 meters (lower noise floor) then any PLL or DDS rig I've ever owned. Thomas Giella KN4LF Plant City, Fl. kn4l; /archives//html/Topband/2000-01/msg00252.html (6,981 bytes)
110. Topband: High Beverage noise (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 31 Jan 2000 13:32:17 -0500 (EST); Thomas KN4LF Says: One of my EWE antenna's run perpendicular to my electrical service entrance with a 10 foot spacing and the EWE still picks up extra noise from it, even though the power line is not; /archives//html/Topband/2000-01/msg00263.html (7,651 bytes)
111. Topband: L Antenna (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Sun, 19 Dec 1999 09:24:22 -0500 (EST); My 256 Foot L antenna has a vertical section of 65 feet. Through premeditated design the highest current point is at the 64 foot level on 1828 kc. The antenna has worked out very well for me. I have; /archives//html/Topband/1999-12/msg00202.html (6,578 bytes)
112. Topband: Close Calls With Lightning (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Mon, 7 Jun 1999 13:44:01 -0400 (EDT); --WebTV-Mail-139788300-7609 Content-Type: Text/Plain; Charset=ISO-8859-1 Content-Transfer-Encoding: Quoted-Printable I would like to submit this to the topband reflector. Let me start by giving you a; /archives//html/Topband/1999-06/msg00015.html (11,789 bytes)
113. TopBand: 160 Meter L Antenna (score: 138): Author: kn4lf@webtv.net (Thomas Giella); Date: Tue, 30 Mar 1999 15:15:23 -0500 (EST); --WebTV-Mail-873255625-5456 Content-Type: Text/Plain; Charset=US-ASCII Content-Transfer-Encoding: 7Bit This explanation of the antenna I'm using on 160 meters may be of interest to others on the refl; /archives//html/Topband/1999-03/msg00173.html (10,607 bytes)
114. Topband: Low Topband Dipole (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Fri, 22 Aug 2003 12:46:04 -0400; I worked my first 100 DXCC countries on 160 meters in two winters using 100 watts and a dipole at 35 feet from central Florida. It's the second 100 that require a good vertical and more power. 73, Th; /archives//html/Topband/2003-08/msg00118.html (6,938 bytes)
115. Topband: Re: Low Topband Dipole/Propagation Outlook (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Sat, 23 Aug 2003 10:09:06 -0400; Bryce KH6AT Asked: Why Thomas KN4LF Says: The first 100 DXCC entities comment was a generality, it could be the first 125 or so depending on your QTH. To answer why? At least from here in Central Flo; /archives//html/Topband/2003-08/msg00121.html (9,095 bytes)
116. Re: Topband: Radial Plate (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Sat, 23 Aug 2003 17:16:45 -0400; Dick W4NTG Asked: Who makes a good radial plate...I have found one that is made of aluminum but concerned about dissimilar metal corrosion over time...probably brass would be best...or stainless stee; /archives//html/Topband/2003-08/msg00123.html (8,397 bytes)
117. Re: Topband: E layer ionograms (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Sun, 31 Aug 2003 19:40:51 -0400; Chuck Asked: Would any of the propagation people on the list know where I can find data showing nighttime foE for a most or all of a solar cycle? Try these guys at UMASS Lowell http://ulcar.uml.edu/; /archives//html/Topband/2003-08/msg00166.html (7,523 bytes)
118. Topband: Tee Antenna (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Wed, 24 Sep 2003 09:18:52 -0400; I have been using "elevated highest current" Tee antennas for a good while and they are great performers. I designed mine to place the highest current point midway up the 80 foot vertical section. Th; /archives//html/Topband/2003-09/msg00114.html (7,382 bytes)
119. Topband: Trees As RF Absorbers & Antennas (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Mon, 13 Oct 2003 10:14:26 -0400; The possible negative absorptive effects of locating an antenna transmitting setup for 160 meters in a dense forest would be very difficult to measure. If the antenna feedpoint impedance changes when; /archives//html/Topband/2003-10/msg00064.html (7,770 bytes)
120. Topband: Propagation Between MN and Germany (score: 138): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Tue, 14 Oct 2003 17:39:44 -0400; Ford N0FP Said: .....I'm in Minnesota. When the 'red' regions of the oval are north of Winnipeg, chances are good that I'll be able to at least hear Western EU. But that's not the whole picture. I ha; /archives//html/Topband/2003-10/msg00082.html (8,726 bytes)

Current List: 101 - 120
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10]