Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Wed, 4 Sep 2013 13:16:53 -0400
I know from a recent thread, that the old Hygain HyTower (AV-18HT) has a fond following. There were even a few notes about home-brewing something similar. Considering the cost of a new AV-18HT ($1000
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Mon, 18 Dec 2017 14:51:20 -0500
For those of you who have used drones to get wires in or over trees, I am wondering if the cheaper units (less than $100) are adequate to lift a 10 - 15 lb test fishing line over a tree. Since these
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Tue, 10 Jul 2018 15:29:29 -0400
Does anyone have an EZNEC file for any of the SpiderBeam antennas that they can share; preferably just the tribander model. 73, Henry Pollock - K4TMC _______________________________________________ _
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Thu, 2 Apr 2020 09:56:34 -0400
They are from the AB-1373/TRC system and were made in France by LERC SA. Information can be seen at https://www.epicos.com/sites/default/files/sleeve_masts.pdf. They are currently available from Comr
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Wed, 28 Oct 2020 18:39:59 -0400
To follow-up on Ignacy's note.... After following this thread for some time, here are some of the questions I have relative to a number of variables. In looking for Halfwave Vertical solutions for ma
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Thu, 12 Nov 2020 12:18:34 -0500
Those are available from a company called Yesohm or Yeshom. Do a search on eBay and you get lots of options. I have several of them ranging from 16 to 30 ft. You can get either telescopic or stackabl
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Wed, 6 Oct 2021 12:28:27 -0400
Ignacy, Thanks for the link to the rylwy.com information. I used the GagaParts 34 ft fiberglass pole with a 12 ft extension to support a 160M Inverted-V with FCP during the past CQWW160SSB contest fr
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Wed, 6 Oct 2021 22:31:49 -0400
Oops, guess I did not do a thorough review before hitting the send button. Thanks for the catch! It was really an Inverted-L. 73, Henry - K4TMC _______________________________________________ _______
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Thu, 14 Oct 2021 17:51:54 -0400
Ed, I use the KF7P Grip Lock Ties (12 & 8 inch long) for various applications during my portable beach operations. They are strong, re-usable, and I have not seen any degradation due to UV. The cheap
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Mon, 13 Feb 2023 09:15:57 -0500
Mark, You might consider a 2-element Hexbeam. A 20-10 Hexbeam has a turning radius around 10 to 12 ft which could fit in some attics. To make it fit higher in tight attics, consider mounting it upsid
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Sat, 18 Nov 2023 13:22:03 -0500
Here is the spec sheet. No specifications below 700MHz. 73, Henry - K4TMC _______________________________________________ _______________________________________________ TowerTalk mailing list TowerT
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Tue, 5 Dec 2023 08:15:54 -0500
I have used a spray version of CorrosionBlock for years, first on my saltwater fishing boats, and now on my antenna elements and outdoor cable connectors when doing portable beach contest activities.
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Fri, 19 Apr 2024 13:27:31 -0400
Wouldn't it be slightly shorter than the one designed for 1705kHz. Isn't this basically a vertical dipole with capacity hats. I will admit that the top capacity hat is prettier than the copper foil b
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Wed, 19 Jun 2024 13:56:30 -0400
I have some newer ones with "Amphenol 83-1SP-1050" and older ones without the "1050". On another line below are "74868 PL-259 49190", which is the same on both vintages. Comments anyone? 73, Henry -
Author: Henry Pollock - K4TMC <kilo4tmc@gmail.com>
Date: Fri, 8 Nov 2024 12:32:53 -0500
I did not realize how soon I was going to miss MFJ...wonder if anyone is going to continue the Ameritron line. I need one of their RCS-4 antenna switches now for a home attic system. If someone has t