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1. Topband: New CW Filter for Low Band Operation (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Tue, 10 Apr 2001 22:00:01 -0500; I just installed the just released INRAD 125 Hz CW filter in my FT-1000MP Mark 5. It is used in the 455 KHz IF. The operation is fantastic. The signal to noise ratio is improved from the 250 Hz filte; /archives//html/Topband/2001-04/msg00025.html (6,958 bytes)
2. Topband: Dayton Contest Dinner 2001 Annoucement (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Thu, 15 Mar 2001 23:41:57 -0600; The North Coast Contesters are pleased to announce: The 9th Annual Dayton Contest Dinner Tickets go on sale MONDAY, March 19, 2001. See http://lists.contesting.com/_towertalk/200103/msg00317.html for; /archives//html/Topband/2001-03/msg00099.html (6,723 bytes)
3. Topband: Wideband Noise on 160 (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Tue, 26 Dec 2000 15:01:41 -0600; Ford: Your problem may be solved with a highpass filter (pass 1.8 MHz and higher) that attenuates the AM broadcast band and everything else below 1.8 MHz. There is a circuit in the ARRL Handbook. I a; /archives//html/Topband/2000-12/msg00142.html (7,986 bytes)
4. Topband: HyTower and 160 meter Operation (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Tue, 26 Sep 2000 21:05:53 -0500; The first HyTower I installed had a very good radial system (180 radials at least 66 ft long) and it was a great antenna on 80 and 40 meters. I followed the HyGain instructions and installed the coil; /archives//html/Topband/2000-09/msg00156.html (7,506 bytes)
5. Topband: 160m Preamps (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Thu, 22 Jun 2000 22:09:43 -0500; A favorite pre amp of mine is the one made by Advanced Receiver Research (ARR). It Covers 1 to 30 MHz, has 20 dB of gain and has a 2 dB noise figure. ARR advertises in QST and is headed up by Jay, W1; /archives//html/Topband/2000-06/msg00047.html (7,154 bytes)
6. Topband: Re: Using an MFJ1026 (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Fri, 05 Nov 1999 23:05:10 -0500; We use the MFJ1025 here on 160 (the 1025 does not have the pull up antenna). The 1025 needs a noise antenna (like your vertical). It will work VERY well. The 1026 pull up antenna is meant for very lo; /archives//html/Topband/1999-11/msg00036.html (7,203 bytes)
7. Topband: Re:trouble shooting techniques for noise (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Sat, 09 Oct 1999 10:53:45 -0400; N0AH: Paul and Others:.: I have a similar thing going on here, only the spacing is about 25 KHz apart. 1.818, 1.843, etc. It is not very strong, but enough to make me ask why. The Magic MFJ-1025 box; /archives//html/Topband/1999-10/msg00039.html (10,548 bytes)
8. Topband: Dayton Antenna Technology Forum (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Sat, 08 May 1999 21:56:10 -0400; As many topbanders have an interest in the latest antenna tips, I thought you might like to see what will be presented at the Dayton Antenna Forum this year. I hope to see you there! I am not sure wh; /archives//html/Topband/1999-05/msg00010.html (7,778 bytes)
9. TopBand: CQ 160 Proposed rules (score: 1): Author: tduffy@sygnet.com (tduffy); Date: Fri, 04 Sep 1998 14:50:28 -0700; I applaud the CQ 160 contest director for taking a stand against illegitimate operations such as X5, etc. Allowing QSOs with these unlicensed stations to count is the same as allowing QSOs with CB st; /archives//html/Topband/1998-09/msg00019.html (7,033 bytes)
10. TopBand: Dayton Antenna Technology Forum (score: 1): Author: tduffy@sygnet.com (tduffy); Date: Mon, 27 Apr 1998 21:28:30 -0400; As 3 out of the 4 talks are of concern to Topband operators, I thought the group might find this post useful: On Friday, May 15th in Room 1 HARA (old Room 5, same room as past years). ANTENNA TECHNOL; /archives//html/Topband/1998-04/msg00252.html (7,404 bytes)
11. TopBand: The 6th Annual Dayton Contest Dinner (score: 1): Author: tduffy@sygnet.com (tduffy); Date: Mon, 16 Mar 1998 10:10:10 -0800; This is a multi-part message in MIME format. --EFA0F169AC9943C8F4C383BF Content-Type: text/plain; charset=us-ascii Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-T; /archives//html/Topband/1998-03/msg00249.html (9,325 bytes)
12. TopBand: NEW RFI Reflector (score: 1): Author: tduffy@sygnet.com (Tim Duffy); Date: Wed, 07 Jan 1998 15:00:38 -0800; X-Mozilla-Status: 0001 Message-ID: <34B408AD.30F@sygnet.com> To: <topband@contesting.com> Date: Wed, 07 Jan 1998 14:58:53 -0800 From: Tim Duffy <tduffy@sygnet.com> Organization: Sygnet Communications; /archives//html/Topband/1998-01/msg00073.html (8,402 bytes)

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