[Elecraft] Strange Vertical - need help

[KC6CNN]

I installed a vertical with ground radial kit up 20 feet.
The antenna mast and negative sheild connector is grounded to a ground rod.
The antenna covers 10 to 40 meters.
I can tune 10 meters fine, and fourty meters fine, but 12,15,17,20,and 30
will not tune and SWR are high.
here are the SWR reading taken on AM running 25 watts. 

10 meter

2804550 is 2 to 1 SWR

2882000 is 1.5  to 1 SWR


12 meter

2490000 is 3 to 1 SWR

24990 is 3 to 1 SWR


15 meter

2103900 is 4 to 1 SWR

top porting is 3 to 1 SWR


17 meter

1809000 is 3 to 1 SWR

1817000 is 2 to 1 SWR


20 meter  

1402800 is 2 to 1 SWR

1430000 is 2 to 1 SWR


30 meter 

1010500 is 4 to 1 SWR

1014000 is 4 to 1 SWR


40 meter

7026 is 2 to 1 SWR

7290 is 1.5 to 1 SWR

Any help or suggestions would be greatly appreciated. I will be receiving my
K3 on Tuesday and am trying to get this antenna sorted out before then. 
Oh yea the rig I'm using right now is a Kenwood 570, the Coax is LMR400 with
a 100' run. the Antenna is a ZeroFive GP10-40.

Thank you
Gerald Manthey
KC6CNN


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