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Total 500 documents matching your query.

341. Re: [TowerTalk] LMR-600 vs UHF connector (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Thu, 20 Oct 2016 14:35:48 -0400
Hello Jim and Steve LMR-600 has two shields. A foil shield and a braid shield. The only connectors that can be used for this cable are the ones made specifically for this cable. I use the ones from T
/archives//html/Towertalk/2016-10/msg00271.html (9,220 bytes)

342. Re: [TowerTalk] Stacked 4 squares (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Fri, 4 Nov 2016 00:21:58 -0400
The 80 meter stacked 4 squares at K3LR are one of our very best antenna systems. 73, Tim K3LR Tim K3LR does something similar Mike. The antenna is two full size, self-supporting (23 meters tall x eig
/archives//html/Towertalk/2016-11/msg00068.html (8,977 bytes)

343. Re: [TowerTalk] DXE 8 element Circle array problem (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 7 Nov 2016 13:49:04 -0500
Hi Mike We have lots of experience with sorting out issues. Give us a call and we can help you. We will also respond to your email questions as you posted below. 73 Tim K3LR DX Engineering My array i
/archives//html/Towertalk/2016-11/msg00119.html (9,141 bytes)

344. Re: [TowerTalk] 2 Element phased vertical array using Comtek Foursquare Box (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 30 Nov 2016 10:15:42 -0500
10 years ago I tried exactly what Matt outlined below. Two 40 meter elements using a Comtek 4 square box. The Comtek manual had a sheet on how to do it - including the 50 ohm phasing lines. The VSWR
/archives//html/Towertalk/2016-11/msg00255.html (13,325 bytes)

345. Re: [TowerTalk] Tuning the DX Engineering "Thunderbolt" 30/40 Vertical (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Sun, 4 Dec 2016 16:20:16 -0500
Hello Mike, Something to try: Have you tried (with the suggested measurements from the DXE manual) to measure the 30 meter VSWR using your radio and a good wattmeter? It is possible that something (A
/archives//html/Towertalk/2016-12/msg00044.html (9,736 bytes)

346. Re: [TowerTalk] Which Rohn thrust bearing to use (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Tue, 6 Dec 2016 10:00:10 -0500
You may want to look at this as well: https://www.dxengineering.com/parts/dxe-tb-300 The TB-300 was introduced at Dayton this May 73 Tim K3LR The Fafnir and many others including imports are far bett
/archives//html/Towertalk/2016-12/msg00072.html (9,700 bytes)

347. Re: [TowerTalk] Which Thrust Bearing to Use (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Wed, 7 Dec 2016 20:17:20 -0500
Here is an interesting thrust bearing video from DXE https://www.youtube.com/watch?v=EuewFM15Py4 73 Tim K3LR I sent another supplier for a thrust bearing but it didn't attach to my message.Here it is
/archives//html/Towertalk/2016-12/msg00101.html (8,831 bytes)

348. Re: [TowerTalk] Force 12 going away ? (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Sat, 28 Jan 2017 13:14:48 -0500
HI Bob, Want to make sure rumors don't get started. MFJ is not taking over Force 12. 73 Tim K3LR Read some discussions about: Force 12 liquidating their assets and selling off antennas.No longer part
/archives//html/Towertalk/2017-01/msg00469.html (9,112 bytes)

349. Re: [TowerTalk] Long Tangent U Bolts (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Tue, 11 Apr 2017 10:26:23 -0400
Depending on how the two 2" booms that W7WLL wants to put together are ultimately done, this clamp set might be a better option than long U-bolts. https://www.dxengineering.com/parts/dxe-ssgc-2vp 73
/archives//html/Towertalk/2017-04/msg00078.html (9,403 bytes)

350. [TowerTalk] Antenna forum line up at 2017 Hamvention (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Tue, 11 Apr 2017 11:48:23 -0400
You can see the papers that will be presented - scroll down to Friday daytime https://www.contestsupersuite.com/contest-related-events/ 73, Tim K3LR _______________________________________________ __
/archives//html/Towertalk/2017-04/msg00082.html (6,867 bytes)

351. [TowerTalk] Watch Ham Nation and Contest University at Dayton next week (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Fri, 12 May 2017 22:18:14 -0400
If you are not attending Dayton this coming week - here are a few interesting Dayton live events that you can watch on the Internet from anywhere. On Wednesday May 17 at 9 PM EDT Ham Nation will be L
/archives//html/Towertalk/2017-05/msg00109.html (8,847 bytes)

352. Re: [TowerTalk] Saddle clamps (muffler clamps) (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Fri, 30 Jun 2017 21:12:01 -0400
Hello Grant: If you are looking for Galvanized muffler clamps, these Cycle24 clamps at DX Engineering are pretty inexpensive: https://www.dxengineering.com/search/brand/cycle-24/product-line/cycle-24
/archives//html/Towertalk/2017-06/msg00448.html (15,855 bytes)

353. Re: [TowerTalk] Saddle clamps (muffler clamps) (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Sun, 2 Jul 2017 22:18:07 -0400
Hello John You are correct. 73 Tim K3LR It appears that DX Engineering upgraded the u-bolts after buying the product. As I recall I could barely clamp a 5/16 plate to my Rohn 55 tower and that was wi
/archives//html/Towertalk/2017-07/msg00021.html (9,010 bytes)

354. Re: [TowerTalk] Modeling the Moxon (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Thu, 27 Jul 2017 11:40:41 -0400
I have had a stack of two W6NL 40 meter two element Moxon's up for nine years. They are converted from Cushcraft XM-240s. Mounted at 185 ft over 120 ft - both on Ring Rotors. The modeled results that
/archives//html/Towertalk/2017-07/msg00346.html (13,597 bytes)

355. Re: [TowerTalk] 80m 4-square advice... (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 30 Oct 2017 00:15:45 -0400
HI Matt You will be fine to cover both CW and SSB. Make sure your dump power is minimum at 3.65 MHz and you are good to go. 73 Tim K3LR I'm finally making some progress towards installing my 80m 4-sq
/archives//html/Towertalk/2017-10/msg00534.html (8,047 bytes)

356. Re: [TowerTalk] VNA (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 30 Oct 2017 20:47:18 -0400
HI Neal: Check out the RigExpert 230ZOOM. It works great on all bands - even on 160 close to AM broadcast stations, no problems at all. The MFJ-259 cannot handle AM broadcast - as it will give error
/archives//html/Towertalk/2017-10/msg00548.html (9,346 bytes)

357. [TowerTalk] 2017 Hamvention Antenna Forum PDFs posted (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Tue, 21 Nov 2017 12:48:00 -0500
PDFs of the 2017 Hamvention Antenna forum have been posted. Thanks to K5TR and K8CX and all the presenters. Go to http://www.k3lr.com Click on Dayton Antenna Summary and choose the year you would lik
/archives//html/Towertalk/2017-11/msg00206.html (6,847 bytes)

358. Re: [TowerTalk] Kohler home generator hash? (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 15 Jan 2018 13:59:15 -0500
Hello Dana I installed a 48RCL with transfer switch 3 years ago. It is totally RFI quiet. That was one of the qualifiers. It has been an awesome machine. 48 KW load tested. 73 Tim K3LR Hi - I'm getti
/archives//html/Towertalk/2018-01/msg00101.html (8,433 bytes)

359. Re: [TowerTalk] Kohler home generator hash? (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Mon, 15 Jan 2018 21:19:59 -0500
Hello Kim: Excellent post about soft start on your air conditioners. That is important on generators and also for the AC mains as well. All six (we use two 3 ton units for shack cooling) air conditio
/archives//html/Towertalk/2018-01/msg00106.html (11,611 bytes)

360. Re: [TowerTalk] Teflon Coax with Center That's NOT SCCCS? (score: 1)
Author: "Tim Duffy" <k3lr@k3lr.com>
Date: Tue, 16 Jan 2018 20:56:27 -0500
For those that do not want to build their own, DX Engineering makes various lengths of jumpers using RG400 with Amphenol 83-1SP UHF male connectors (very high quality)on both ends. Hi pot tested and
/archives//html/Towertalk/2018-01/msg00131.html (13,275 bytes)


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