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References: [ +from:herbs@surfvi.com: 152 ]

Total 152 documents matching your query.

81. Re: Topband: Shunt fed twr (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Thu, 31 May 2007 08:43:59 -0400
-- I had a 20M5 and converted it over to a 4 element hair pin store bought match on a 42 ft boom. Do I need a 1:1 balun, the hair pin requires a balanced feed or can I get away with "wide spacing" an
/archives//html/Topband/2007-05/msg00089.html (7,447 bytes)

82. Re: Topband: Radial Integrity (score: 1)
Author: herbs@surfvi.com
Date: Tue, 11 Sep 2007 11:22:44 -0400
Quoting Gerard Jendraszkiewicz <jend@uchicago.edu>: Jerry if you have access to a Field Strength meter with a loop antenna (or make your own with a microamp meter and 1N34 type diodes and a small loo
/archives//html/Topband/2007-09/msg00061.html (7,430 bytes)

83. Re: Topband: C52 (score: 1)
Author: herbs@surfvi.com
Date: Tue, 23 Oct 2007 14:07:24 -0400
North West Africa is a great place for propagation on the lower bands into NA at times. I have operated beachside from The Gambia in 1994 (C56/KV4FZ) and was amazed at the reports I received for 100
/archives//html/Topband/2007-10/msg00141.html (7,928 bytes)

84. Topband: Icom 746 Pro (score: 1)
Author: herbs@surfvi.com
Date: Thu, 21 Feb 2008 19:45:11 -0400
It looks like my Icom 765 has some problems with the PLL circuit on upper bands and like the proverbial "One Horse Shay" other things have decided to follow in failure mode..such as the wheels faling
/archives//html/Topband/2008-02/msg00113.html (7,369 bytes)

85. Topband: EP2TV on 160 in the 70's (score: 1)
Author: herbs@surfvi.com
Date: Tue, 25 Mar 2008 02:37:11 -0400
Subject: EP2TV in the 70s From: Jennifer White <kb3qfd@yahoo.com> Date: Sun, 23 Mar 2008 11:58:36 -0700 (PDT) To: herbs@vipowernet.net, herbs@vitelcom.net Hi, Herb. My name is Jennifer White and thro
/archives//html/Topband/2008-03/msg00072.html (7,229 bytes)

86. Topband: KV4FZ QSL Information (score: 1)
Author: herbs@surfvi.com
Date: Wed, 9 Apr 2008 16:55:09 -0400
Dear Topbander: My QSL information is listed on www.qrz.com along with a new picture you might want to look at. I have had many guest ops this season using KP2ZZ, KP2CW, WP2AIU on 160 with the FCC ad
/archives//html/Topband/2008-04/msg00017.html (6,438 bytes)

87. Re: Topband: Source for wire? (score: 1)
Author: Herb Schoenbohm <herbs@surfvi.com>
Date: Fri, 11 Apr 2008 05:19:56 -0400
A great and inexpensive source for very strong and durable uninsulated lashing wire used by Cable TV trunk feeder installers. It may not be as good as copper clad but sure looks good and is generally
/archives//html/Topband/2008-04/msg00030.html (8,557 bytes)

88. Re: Topband: 3" to 2" (score: 1)
Author: Herb Schoenbohm <herbs@surfvi.com>
Date: Sun, 15 Jun 2008 15:38:29 -0400
Use another piece of 3" and an insert after you cut a slot into it to allow it to compress. Remember the fit is determined by width of the slot or slots. If you are making a vertical mast you can com
/archives//html/Topband/2008-06/msg00030.html (8,032 bytes)

89. Re: Topband: Transmit/receive logisitics... (score: 1)
Author: Herb Schoenbohm <herbs@surfvi.com>
Date: Sun, 06 Jul 2008 14:32:08 -0400
Steve, I use a MFJ-1026 in sort of reverse mode. The noise antenna connection is used to connect to my Beverage bank and the unit senses the exciter RF just fine and switches automatically. My Icom I
/archives//html/Topband/2008-07/msg00059.html (8,119 bytes)

90. Re: Topband: 160 CW (score: 1)
Author: Herb Schoenbohm <herbs@surfvi.com>
Date: Sat, 04 Oct 2008 10:28:33 -0400
Several wrist removable semi-cast covers are available at local pharmacies that will restrict painful motion of the wrist. The use Velcro fasteners that make for best fit. Also using keyer and paddle
/archives//html/Topband/2008-10/msg00021.html (7,117 bytes)

91. Re: Topband: Topband Warmup comments (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Mon, 20 Oct 2008 12:45:17 -0400
At least you made some nice contacts. Hurricane Omar, whose eye passed about 8 miles west of my QTH on St. Croix's eastern end was the most distructive storm since Lenny in 1999. It snapped 80 HV pow
/archives//html/Topband/2008-10/msg00131.html (7,654 bytes)

92. Topband: Multiple Beverage Grounding (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Thu, 20 Nov 2008 15:07:11 -0400
Sure could use your advice on this. I have 4 Beverage RX antennas, two 2 wire DXE ladder line reversible and two single wire 800 footers that all originate within 15 feet at their starting point. Eac
/archives//html/Topband/2008-11/msg00132.html (7,150 bytes)

93. Re: Topband: 5K0T Update (score: 1)
Author: Herb Schoenbohm <herbs@surfvi.com>
Date: Tue, 25 Nov 2008 12:09:50 -0400
Great setup...you have be beat in every direction by several s units! Herb, KV4FZ _______________________________________________ Topband mailing list Topband@contesting.com http://lists.contesting.c
/archives//html/Topband/2008-11/msg00211.html (7,358 bytes)

94. Re: Topband: Shunt fed tower: PLEASE HELP (long) (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Tue, 25 Nov 2008 16:56:17 -0400
Sante, a 40 meter full size beam (assuming boom grounded elements) on a 100 foot tower should make your pole appear a bit longer than a 1/4 wave on 1.8Mhz but that is not a problem as the top loading
/archives//html/Topband/2008-11/msg00219.html (9,102 bytes)

95. Re: Topband: WD-1A 2-way Beverage (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Tue, 2 Dec 2008 09:16:09 -0400
There have been some discouraging reports about signal attenuation of a WD-1A two wire Beverage used in the reverse mode. Prior to these reports surfacing, I had ordered a mile of WD1-A and a few wee
/archives//html/Topband/2008-12/msg00016.html (10,842 bytes)

96. Re: Topband: 160m L impedance?? (score: 1)
Author: Herb Schoenbohm <herbs@surfvi.com>
Date: Mon, 08 Dec 2008 20:32:57 -0400
Most likely ground losses make the impedance high...try adding even if temporary some 1/4 wave radials or lay some large squares of rabbit or chicken wire in all directions to mitigate the lossy grou
/archives//html/Topband/2008-12/msg00099.html (8,057 bytes)

97. Re: Topband: Contest - rig problems. (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Tue, 9 Dec 2008 08:41:48 -0400
when Mike if you are using a rig to computer interface and logging software I would suggest that you get a series of snap-ons on the USB cable or run about 6 to 8 turns on a ferrite ring. I had a sim
/archives//html/Topband/2008-12/msg00109.html (7,778 bytes)

98. Re: Topband: Vee Beams (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Fri, 12 Dec 2008 15:53:28 -0400
Jorge, I tried a similar approach in the late 70's and early 80's with a 300 foot tower support but the interaction of the feedline, the tower, made any significant improvement uncertain. The use of
/archives//html/Topband/2008-12/msg00138.html (9,914 bytes)

99. Re: Topband: Also Searching for beverage info (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Mon, 22 Dec 2008 08:56:42 -0400
if Mike, It probably would not be worth the effort as the Beverage prinicple relies on poorer conductivity compared to the wire above ground to develope wave tilt and pattern shaping. What you would
/archives//html/Topband/2008-12/msg00196.html (8,640 bytes)

100. Re: Topband: Also Searching for beverage info (score: 1)
Author: "Herbert Schoenbohm" <herbs@surfvi.com>
Date: Tue, 23 Dec 2008 09:03:26 -0400
Mike, each metal fence post capacitively couples to the Beverage wire and this is the 7 mA we see in the EZNEC simulation. However, the resulting current area of 2 amp-ft is quite small compared to t
/archives//html/Topband/2008-12/msg00200.html (9,229 bytes)

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