Topband: Antenna thoughts

[Thomas Hoyer]

I changed my home built Battle Creek Special over to a "tee" for 160 last fall and I feel it performs much better on 160 then the "L" of the BCS did. Due to yard restrictions the ends of my tee's slope down a bit, one more then the other. Overall height is approx 52' with the tee wires extending out from there. Had to add a bit of base loading to get a good match.
TomW3TA


-----Original Message-----
From: GEORGE WALLNER <aa7jv at atlanticbb.net>
To: John <w5jmw at towerfarm.net>; topband at contesting.com
Sent: Tue, Mar 2, 2021 9:28 am
Subject: Re: Topband: Antenna thoughts

John,
For DX, the T will be better than the L, especially if part of the L is 
sloping. (Higher radiation resistance.) Also, if the two loading wires are 
the same length, the antenna will be good on 3.5 and 7 MHz. Regarding the 
radials, it all depends on how many and how long you have now, but the T 
will be better for DX, in any case.

73 and GL,
George,

On Tue, 2 Mar 2021 02:20:12 -0600
  John <w5jmw at towerfarm.net> wrote:
> Hello all.I currently have a coaxial inv. L.apex at 50ft and rest going out at abt 45 degrees.The end is abt 20-30 ft high.It has been a very good antenna.I used a l because I did not have the option of 2 masts.I am changing a bit.Doing away from vhf/uhf beams.So I have another 50 ft mast.They are abt 200ft apart.My question is…Would a tee type vertical be better that an L.Yes I could elevate 2 or 3 radials.I am using  a radial ground on the inv.L.Thoughts on this please.I am not really concerned about matching.Just effenciency.Is a tee better? Thanks,john
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