[AMRadio] Hy-Tower

Bry Carling bcarling at cfl.rr.com
Sun May 6 17:15:17 EDT 2007

If I wanted to use the Hy-Tower on 160m at 1500 w p.e.p.
there could be two alternative choices:

1) I would just leave off that coil and add a top section as a 
capacity hat to increase the effective length of the radiator to 
where it can reach 2 Mega-sickles. You could experiment with a 
horizontal wire or two run off the top horizontally if you have 
a little room. I would start with one 50 foot wire or two 25 foot wires.
Almost any angle would be fine.

2) You could easily shunt feed the tower. I have done that with a 
60 foot tall Rohn 25G Tower and it worked extremely well for me.
Towers and Florida weather don't mix well, so I don't do that kind 
of thing now! Just use a big variable cap to set up your shunt feed. 
I love that scheme. It would still give your antenna a very 
small footprint and let you run QRO.

> It seems this was discussed a while back, but I need some updated info.  Has
> anyone used a Hy-Gain Hy-Tower vertical on 160 meter AM?  I have tried every
> way in the world to come up with some kind of wire for 160, but I simply
> don't have the room.  I have a Hy-Tower vertical that is still in the crate
> and I really need to get it up.  I have the optional 160 meter coil, but
> according to the manual it is not supposed to be used with more than 150
> watt carrier (300 PEP) or it will arc.  I'm wondering if anyone has any
> experience with this and if there is something that can be done to increase
> the power handling capability?  My lack of a decent antenna is my main
> reason for not being able to get on the air with most of you guys.  I am
> using a Butternut 40/80 vertical with the 160 meter coil option and I can
> run 375 watts of carrier without any fireworks. However, I can only talk to
> a very small portion of the stations I can hear (on any band) in the area or
> anywhere as far as that goes.  Any help or advice on the HY-Tower would sure
> be appreciated.
> Thanks,
> Rick/K5IZ 
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