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81. Topband: 160 Wire Resistance/Propagation (score: 1)
Author: kn4lf@tampabay.rr.com (KN4LF, Thomas Giella)
Date: Sun, 29 Jul 2001 10:59:40 -0400
KN4LF Says: Yeah, I realized my error in reporting dc resistance AFTER I sent the email to the list. :<( Though I have always used #12 stranded and covered wire for my antennas, I do use solid wire o
/archives//html/Topband/2001-07/msg00076.html (7,103 bytes)

82. Topband: Ladderline (score: 1)
Author: kn4lf@tampabay.rr.com (KN4LF, Thomas Giella)
Date: Sun, 10 Jun 2001 23:43:14 -0400
K2WH: I use 450 ohm ladder line as a feedline with my 160 1/2 wave T. One side of the ladderline goes to the radial system, the other to the T. I use a homebrew balanced matching network (two roller
/archives//html/Topband/2001-06/msg00016.html (7,955 bytes)

83. Topband: 160 Meter Antenna Help (score: 1)
Author: kn4lf@hotmail.com (Thomas Giella, KN4LF)
Date: Thu, 24 May 2001 10:52:31 -0400
On 160 meters, for dxing I use a T antenna with a 252 foot flat top (broadside NW-SE), a 75 foot vertical section, a second 55 foot section (linear load) and one #12 1/4 wave radial on the ground sur
/archives//html/Topband/2001-05/msg00049.html (10,104 bytes)

84. Topband: Topband Real Estate (score: 1)
Author: kn4lf@hotmail.com (Thomas Giella, KN4LF)
Date: Wed, 18 Apr 2001 10:22:50 -0400
A drive around your new QTH in a circle within approx. 1/4-1 mile with the car radio on 1710 kc will give you a basic idea of the general QRN in the area but I've also found that a portable shortwave
/archives//html/Topband/2001-04/msg00039.html (7,521 bytes)

85. Topband: 160 Antenna's Modeled (score: 1)
Author: kn4lf@hotmail.com (Thomas Giella, KN4LF)
Date: Wed, 18 Apr 2001 10:41:44 -0400
I've been busy lately modeling a variety of 160 meter antenna's on EZNEC 3.0. For ground type I used real minimec and ground description (conductivity) medium, frequency 1850 kc. From what I understa
/archives//html/Topband/2001-04/msg00040.html (8,285 bytes)

86. Topband: Water Conductivity (score: 1)
Author: kn4lf@hotmail.com (Thomas Giella)
Date: Wed, 21 Mar 2001 09:24:20 -0500
Conductivity of flood water is usually much higher then ground water, as it has come into contact with numerous surface materials and pollutants. Also ground water is also much more conductive then m
/archives//html/Topband/2001-03/msg00108.html (7,146 bytes)

87. 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)

88. 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)

89. 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)

90. 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)

91. 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)

92. 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)

93. 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)

94. 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)

95. 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)

96. 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)

97. 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)

98. 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)

99. 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)

100. 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)


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