Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Thu, 23 Feb 2017 11:24:05 -0400
Perhaps the simplest antenna to cover both 160 and 80 is the Inverted L which is 3/8th wave on 160 and turns out to be 3/4 wave on 80. The feed point on 160 can be tuned to resonance with a series va
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Mon, 27 Feb 2017 15:26:47 -0400
"Back then" such a cover on QST would have resulted in stoning of the editor. Remember all those eons of dull and drab Geeves cartons that were run over and over and over? I think, however, there was
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Tue, 28 Feb 2017 10:00:05 -0400
Wearing some sore of head protection is critically important working on a tower. The new helmets designed for that work are required for most tower climbers. Bumping in hard to a steel extension abov
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Tue, 7 Mar 2017 21:48:18 -0400
A Ditch Witch with a vibrating plow leaves the soil intact. it has a hollow plow blade, the wire mounts on a spool in the back and is automatically fed as the plow processes. All you need do is dig a
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Fri, 17 Mar 2017 19:51:32 -0400
Why? Becasue some sort of flexible connection that allows the tree to flex in the wind without stressing the wire is important. Even some loops made out of cable wraps are easy to install especially
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Sun, 19 Mar 2017 23:15:22 -0400
As long as your Beverages are placed inland from the sea you should be OK. I have several Beverages that run south and terminate about 35 feet from the waters edge and they work very well. It all dep
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Fri, 24 Mar 2017 13:42:33 -0400
Living in Iowa City I didn't mind driving to Council Bluffs to see Leo Meyerson to buy my first commercial made transmitter a Globe Scout with terms for my paper route money. Gone are these days. Her
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Tue, 8 Aug 2017 15:06:40 -0400
The -2.2 db figure will change quickly every time you double the number of radials even if they are only 50 footers. A better approach would be to start out with putting down some expanded cooper mes
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Mon, 16 Oct 2017 15:50:28 -0400
I lost only one tower to Maria but two others survived. My 5 element beams were taken down before the storm hit. My 3 element Cubex Quad is a total mess of shredded fiberglass spare. No more quads fo
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Tue, 17 Oct 2017 02:42:56 -0400
Amazingly the food supply was never an issue with the major supermarkets fully operational almost immediately in 24 hours and of course with the large tank farm here there were millions of gallons of
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Wed, 1 Nov 2017 14:10:53 -0400
JK Antennas come up "site not available" on all my attempts to reach them. Are they still in business? All my HY-Gain LJ 5 element beams for 20-10 survived Cat 5 Hurricane Maria with it's 179 MPH sus
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Mon, 6 Nov 2017 14:16:01 -0400
On St. Croix, due to the cat 5 hurricane that decimated the island, as we have many hundreds of decapitated pole pig still lying along the roads with the coolant already out of them. I think eventual
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Wed, 8 Nov 2017 16:37:12 -0400
Just tie the coax together where it hits the ground and feed with a single wire tuner. You may be surprised how much better that will work than a horizontal.... Herb, KV4FZ __________________________
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Thu, 9 Nov 2017 15:28:00 -0400
Check out IP power as I use one here. For 220 volts you can drive an external 115 volt AC contactor to switch the 220 AC/. _______________________________________________ ____________________________
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Tue, 2 Jan 2018 13:50:43 -0400
If anyone has this antenna and would part with it. I don't need the boom so everything could be USPS shippable.Please send me an email and let me know if you take Pay Pal. Herb |Schoenbohm, KV4FZ ___
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Thu, 1 Feb 2018 10:31:35 -0400
Does anyone know someone who can repair THP solid state amps. I have one with no power output and suspect I bricked the PA section I would really appreciate any info on this. Herb Schoenbohm, KV4FZ _
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Sun, 18 Feb 2018 15:22:07 -0400
Amazing but my tower erector put the last section of Rohn 25G with the gender wrong and coupled with a special adapter to Rohn 45 below. Now I am trying to put up a Rohn 25G top section but the gende
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Mon, 19 Feb 2018 10:35:35 -0400
Yes, Exactly. The Rohn 25 extension was bolted to the Rohn 45 below with large brackets upside down because the end had a bend from the storm on the bottom leg. If I can get the two leg diameters to
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Fri, 23 Feb 2018 08:49:31 -0400
Dave, Checking a 40 meter beam that close to the ground will drive the best frequency way down the band even below 7.000. You need to get the 40 meter beam up at least 50' to get any reasonable resul
Author: Herbert Schoenbohm <herbert.schoenbohm@gmail.com>
Date: Fri, 16 Mar 2018 20:39:43 -0400
I am looking for a good way to make a connection from egg insulators (power company type) to my tower so I can insulate the guy wires. I have only a few and they are bell-shaped retainer with two eye