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(AM) DA radiation plot calculator?

1

1L6E6VHF

While I can estimate the (H-plane) radiation pattern for a two-tower array without much difficulty, I'm having trouble visualizing the patterns on more complex arrays.

I'd be curious to see what the radiation plots of these (related) arrays would look like. Is there any "online radiation plot calculator" out there, or some open-source software to calculate a four-tower array?

Here are the arrays I had in mind:



Tower Field Phase Spacing Orientation Height (°)
1 1.00 - - - 115.1
2 0.90 0.00 187.80 107.0 115.1
3 0.60 90.00 90.00 221.8 94.9
4 0.54 90.00 172.00 135.5 94.9

Tower Field Phase Spacing Orientation Height (°)
1 1.00 - - - 115.1
2 0.90 0.00 187.80 107.0 115.1
3 0.70 90.00 82.97 167.0 115.1
4 0.63 90.00 240.25 124.4 115.1


Tower Field Phase Spacing Orientation Height (°)
1 1.00 - - - 115.1
2 1.00 0.00 187.80 107.0 115.1
3 0.95 96.00 90.00 221.8 94.9
4 0.95 96.00 172.00 135.5 94.9
 
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