[600MRG] Need loading coil inductance figure for new vertical

[Eric NO3M]

About 503 uH, resonant at 474 kHz.

R = 0.077 ohm

Approx. 2 dB F/B, max opposite direction of top wire (usual inverted-L 
pattern).

On 01/27/2014 07:28 PM, WE0H-Mike wrote:
> Can someone model my new vertical and tell me what inductance I need 
> to resonate at the low end of the 630m band?
>
> Here is what my antenna will be. A 1" tubing 17' tall base loaded T 
> vertical with a 80' single wire flattop. There will be no droop of the 
> hat. I can pull it tight and it will use fixed fiberglass masts to 
> hold the ends. I have a ton of radials all over the place if that 
> means anything. It will use my current transformer coupling at the 
> bottom of the loading coil. I only need the inductance figure as I can 
> wind to that value on my existing coil form  and use my existing 
> variomenter to fine tune it around the band.
>
> I can't remember how I designed my now on the ground wire vertical 
> many years ago :-(
>
> Thanks a bunch,
> Mike-WE0H
> /16
>