"Wes Stewart" wrote in message
...
On Mon, 31 May 2004 15:59:31 +0100, "Richard"
wrote:

|I'm just about getting around to making my 5 or 6 element marine band
yagi,
|covering 156 - 162 Mhz RECEIVE ONLY. Do I have to employ a folded dipole

No.

|or
|can I use just a simple hertz dipole as the "driven" element? I'm trying
to
|get away from using a folded dipole if I can. Any wideband designs out
there
|that use a simple hertz dipole that I can scale? I'm looking, but if you
|have some links aready. TIA.

All dimensions in inches

X Y Z X Y Z Dia

0.000 -18.553 0.000 0.000 18.553 0.000 0.187
9.275 -18.368 0.000 9.275 18.368 0.000 0.312
12.250 -17.077 0.000 12.250 17.077 0.000 0.187
23.800 -16.672 0.000 23.800 16.672 0.000 0.187
34.213 -16.672 0.000 34.213 16.672 0.000 0.187
47.211 -16.229 0.000 47.211 16.229 0.000 0.187

IOW:
X Y Z Dia

REF End 1 0.000 -18.553 0.000 0.187
End2 0.000 18.553 0.000


DE End1 9.275 -18.368 0.000 0.312
End2 9.275 18.368 0.000


DIR1 End1 12.250 -17.077 0.000 0.187
End2 12.250 17.077 0.000


DIR2 End1 23.800 -16.672 0.000 0.187
End2 23.800 16.672 0.000


DIR4 End1 34.213 -16.672 0.000 0.187
End2 34.213 16.672 0.000


DIR5 End1 47.211 -16.229 0.000 0.187
End2 47.211 16.229 0.000

I'll see how I get along with the 4Nec2 program.

What is the DE,just a regular hertz dipole? Is DE specified as to what it is
(hertz, folded) somewhere in 4nec2?

In the Geometry Edit I see "Radius" for wire diameter I suppose. Do I
calculate the radius from the dia given in the table above? TIA.