- 81. Topband: protect my transmitter from atmospheric discharges (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Tue, 01 Jun 2010 10:30:03 +1000
- A good RFC between the antenna feed point and ground will take care of any voltage build up on your antenna...It won't stop a lightning discharge from getting into your equipment though if you have i
- /archives//html/Topband/2010-06/msg00002.html (7,056 bytes)
- 82. Topband: Roofing filters.. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Mon, 28 Jun 2010 16:43:30 +1000
- Info needed....Will the Inrad Roofing filter from a Yaesu FT-1000MP also fit into the FT-1000? I have an offer of one but don't want to purchase it unless I am sure it is the correct one.... 73....Bo
- /archives//html/Topband/2010-06/msg00077.html (6,200 bytes)
- 83. Topband: Topband roofing filters.. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Tue, 29 Jun 2010 07:07:01 +1000
- Hi all I have had 19 direct email reply's.....Thanks to all for the information....Not compatable...I guess I will have to continue to look for the correct Roofing Filter for my FT1000... 73'''Bob..V
- /archives//html/Topband/2010-06/msg00078.html (6,240 bytes)
- 84. Topband: Topband coming alive at last.... (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Sat, 25 Sep 2010 10:00:53 +1000
- Hi all, September has seen Topband spring to life at last...Conditions have been really great across the Pacific....I have made dozens of contacts, many new US callsigns appearing in my log along wit
- /archives//html/Topband/2010-09/msg00083.html (7,585 bytes)
- 85. Topband: Monopole Radiation Patterns, Takeoff Angles etc, (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Tue, 08 May 2012 13:27:42 +1000
- Hi all.. This thread has been very interesting and educational...I guess we all strive to make our installation as efficient as we possibly can...Much of the radial theory has to go out the window fo
- /archives//html/Topband/2012-05/msg00104.html (9,191 bytes)
- 86. Topband: Spark Gaps.. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Sun, 29 Jul 2012 10:06:14 +1000
- Has anyone thought about using two trailer towing balls set up for a spark gap? I use this on a 90 foot insulated mast in a very lightning prone environment....To date "(25)" years, with many direct
- /archives//html/Topband/2012-07/msg00386.html (6,279 bytes)
- 87. Topband: Spark Gaps.. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Mon, 30 Jul 2012 12:53:26 +1000
- Thank you to all the email's received re my use of trailer balls for a spark gap..It is a simple answer to a big problem and it works.. It pays to think outside the box at times when presented with a
- /archives//html/Topband/2012-07/msg00394.html (8,044 bytes)
- 88. Topband: one- way propagation (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Wed, 05 Dec 2012 11:04:41 +1100
- Interesting theories and observations regarding one way propagation..My take is that most of the seemingly one way prop is more dependent on operator skill and the local qrn at one end of the circuit
- /archives//html/Topband/2012-12/msg00138.html (7,198 bytes)
- 89. Topband: GI-46B Revisited.. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Tue, 15 Jan 2013 10:55:27 +1100
- Gidday all..I have built around 25 aVHF amplifiers over the past three years using the Russian triodes, GS-35 and 31B tubes as well as GI-6 and 7B tubes..All of these amplifiers are in daily service
- /archives//html/Topband/2013-01/msg00103.html (8,647 bytes)
- 90. Topband: GI-46B Revisited.. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Wed, 16 Jan 2013 18:42:16 +1100
- Thanks for the reply Tom..This subject was supposed to be in the amps@contesting thread...Sorry all..HNY..Bob..VK3ZL.. _________________ Topband Reflector
- /archives//html/Topband/2013-01/msg00112.html (6,809 bytes)
- 91. Topband: Mile, VK6HD. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Sat, 13 Apr 2013 09:52:31 +1000
- I am very sad at the passing of Mike..He was an excellent Topband operator, and an inspiration to all.. Bob..VK3ZL.. All good topband ops know fine whiskey is a daylight beverage. _________________ T
- /archives//html/Topband/2013-04/msg00030.html (6,518 bytes)
- 92. Topband: 160 (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Mon, 29 Jul 2013 11:14:29 +1000
- Thanks John for the post re 160 meters being open to VK...This year there has been a real lack of activity on the band..I am always in the shack qrv around 1824.5...It is unusual not to have few cont
- /archives//html/Topband/2013-07/msg00140.html (7,131 bytes)
- 93. Topband: 160 meter activity. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Tue, 27 Aug 2013 16:53:19 +1000
- Comments noted regarding signal reports on 160 meters..I often give dx stations 599 reports, even plus 10 occasionally..The report is the reading indicated on the S meter on my receiver...S meters ar
- /archives//html/Topband/2013-08/msg00342.html (7,165 bytes)
- 94. Topband: Vacuum variable capacitors. (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Thu, 24 Oct 2013 17:25:30 +1100
- Steve, you can purchase excellent quality vac variable caps from Dr Alex Gavva UR4LL for a very reasonable price.... Bob..VK3ZL.. _________________ Topband Reflector
- /archives//html/Topband/2013-10/msg00195.html (6,146 bytes)
- 95. Re: Topband: Anyone purchased the ARRL book on Short Antennas for 160??? (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Wed, 22 Jan 2014 16:55:21 +1100
- I will have to put that book on my wish list..I have been using a short 43 foot high vertical antenna for quite a few years now...It is based on the Minooka design, A spoked Top Hat with a Loading co
- /archives//html/Topband/2014-01/msg00183.html (9,362 bytes)
- 96. Topband: VK3ZL (score: 1)
- Author: Robert Briggs <vk3zl@bigpond.com>
- Date: Sat, 22 Mar 2014 21:42:29 +1100
- Hi all..I have been completely overwhelmed with all the best wishes emails and just want to humbly thank you all.. I am in a very critical situation at present..The tumor was discovered last November
- /archives//html/Topband/2014-03/msg00169.html (7,427 bytes)
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