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mobile antenna to base !
- Thread starter stathis
- Start date
I guess it's all about location then. Our pine trees usually can grow up to 150' in height. If an A99 is fastened right then the antenna swings with the tree.
I grew up in southern NC and the pine tree we had beside the house was only three stories tall,not like the really tall ones out neighbor had. I would climb to the top where there's a natural cradle of limbs branching outward and I would just sit and sway with the tree in the wind.
We usually get a fairly decent thunderstorm and an occasional once in a decade hurricane wandering in over 150 miles inland from the coast. The last base antenna(R/S Crossbow)I had was 72' high and guyed with Rat Shack guy wires. The antenna and mast could just barely handle the 62 mph winds and 92 mph gusts from Hugo but a mini tornado spun it all around and threw it down.
Today if I were to duplicate a guyed antenna and mast I would go up on guy wire diameter and use all the necessary quality hardware to to a safe correct 50 year install.
P.S. An Imax is a little long to be whipping around in a tree. An A99 could handle it better being shorter.
I grew up in southern NC and the pine tree we had beside the house was only three stories tall,not like the really tall ones out neighbor had. I would climb to the top where there's a natural cradle of limbs branching outward and I would just sit and sway with the tree in the wind.
We usually get a fairly decent thunderstorm and an occasional once in a decade hurricane wandering in over 150 miles inland from the coast. The last base antenna(R/S Crossbow)I had was 72' high and guyed with Rat Shack guy wires. The antenna and mast could just barely handle the 62 mph winds and 92 mph gusts from Hugo but a mini tornado spun it all around and threw it down.
Today if I were to duplicate a guyed antenna and mast I would go up on guy wire diameter and use all the necessary quality hardware to to a safe correct 50 year install.
P.S. An Imax is a little long to be whipping around in a tree. An A99 could handle it better being shorter.
Love it! That's how I felt once I had my homemade dipole up and made my first DX contact!
Think I'll put it back up and quit messin' with all these other ideas.
You can always put it back up and if you want sometime down the road put up another antenna you can do your research as to what kind of antenna you want and gain proficiency on the hobby. If you're like me,the idea if there's so many types of antennas to choose from(candy store),you can experiment on different ones. You might can do the bamboo fishing rod antenna for a vertical and switch between your dipole and your vertical especially when working DX just to have another option. Just start out with simple antenna designs.
Get creative!
Get creative!
Good advice! Am already thinking about an improvement on the Firestik Dipole. In the original, the antenna connected to the coax shield was also in contact with the metal bracket and mast. This time I think I'll isolate it from the bracket as well using nylon washers and switch to a coax with ring terminal connectors rather than an SO-239 and see what effect that has.
Might even switch to longer antennas (maybe Francis 5.5').
As you say, the possibilities are endless.
Yep. That's where I got the idea for isolating both antennas from the bracket! They do so with an extra floating piece of steel.
You should grab a couple of Firestiks (or other brand) and throw one together!
Mounting Workman 6hub to mast
It has a female thread so that you can screw it right onto male threaded standard plumbing pipe (usually galvanized). You run the coax through the pipe.
It has a female thread so that you can screw it right onto male threaded standard plumbing pipe (usually galvanized). You run the coax through the pipe.
Ah! Thanks, Rick. There appeared to be a set screw and my thoughts were that would probably secure it to the mast but not all that well. Threads make a whole lot more sense.
All right, gurus, let's have it.
If a person is going to make a homemade base antenna out of a 102" steel whip and a 60" fiberglass helical, which would be better?
a. 102" steel whip as the vertical and a 60" helical antenna as the radial.
b. 60" helical as the vertical and the 102" steel whip as the radial.
So, which is better? A taller antenna with reduced counterpoise or a shorter antenna with increased counterpoise?
Thanks!
If a person is going to make a homemade base antenna out of a 102" steel whip and a 60" fiberglass helical, which would be better?
a. 102" steel whip as the vertical and a 60" helical antenna as the radial.
b. 60" helical as the vertical and the 102" steel whip as the radial.
So, which is better? A taller antenna with reduced counterpoise or a shorter antenna with increased counterpoise?
Thanks!
Radials 1/4 wave or slightly longer is fine unless you got a ham antenna then you might want different length radials.
Thanks, Yeshua.
I've decided to forget the GP's and put my homemade dipole back up. Instead of using 4' Firesticks, I'm going with a couple of Hustler HQ27's or 5.5' Francis Hot Rods.
Like Beetle
is fond of saying, "Determine this by experimenting. No two installations will EVER be identical."
I've decided to forget the GP's and put my homemade dipole back up. Instead of using 4' Firesticks, I'm going with a couple of Hustler HQ27's or 5.5' Francis Hot Rods.
Like Beetle