examples/vertical/vertical-quarter.nec
Ryan Malloy 38e5977bb1 Fix RP card theta range for correct 3D pattern rendering
Changed theta_start from -90 to 0 in all RP cards. The standard NEC2
convention uses theta 0-180 (zenith to nadir). Using -90 caused
cos(±90°)=0, making z=0 at pattern edges and rendering patterns flat.
2026-02-09 12:21:59 -07:00

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428 B
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CM Quarter-Wave Vertical with 4 Radials
CM Ground-mounted vertical for 40m band (7 MHz)
CM @category: vertical
CM @band: 40m
CM @author: 4nec2-web
CM @tags: vertical, ground-mounted, radials, hf
CE
GW 1 21 0 0 0 0 0 10.7 0.002
GW 2 11 0 0 0 7.5 0 0 0.002
GW 3 11 0 0 0 -7.5 0 0 0.002
GW 4 11 0 0 0 0 7.5 0 0.002
GW 5 11 0 0 0 0 -7.5 0 0.002
GE 1
EK
EX 0 1 1 0 1 0
GN 2 0 0 0 13 0.005
FR 0 1 0 0 7.0 0
RP 0 37 73 1000 0 0 5 5
EN