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blue pattern: 10 meter 1/4wl. vertical @ 1/4wl. above ground.(at the feedpoint)
red pattern: 10 meter 1/4wl. vertical @ ground level.
green pattern: 10 meter 3/4wl. vertical @ ground level.

[ATTACH=full]44296[/ATTACH]

the distance between the "circles" in the elevation display grid represent a
change in directivity of 3 dB. along any radius or specific angle of radiation.

[QUOTE="freecell, post: 760875, member: 30"] blue pattern: 10 meter 1/4wl. vertical @ 1/4wl. above ground.(at the feedpoint) red pattern: 10 meter 1/4wl. vertical @ ground level. green pattern: 10 meter 3/4wl. vertical @ ground level. [ATTACH=full]44296[/ATTACH] the distance between the "circles" in the elevation display grid represent a change in directivity of 3 dB. along any radius or specific angle of radiation. [/QUOTE]

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