[TowerTalk] HexBeam Model
Eric Gustafson
n7cl@mmsi.com
Thu, 6 Apr 2000 08:11:49 -0700
It is apparent from the responses I've already gotten that I
should just post the model. So here it is in two forms. First
is a text description file from EZNEC. For those not using
EZNEC, this should be translatable into whatever you are using.
Second is a UUencoded attachment of the hexbeam.ez EZNEC antenna
file. This file, once decoded and stored on disk, should be
directly useable by EZNEC V2 or later. I hope it saves someone
some typing.
Please bear in mind that this is _not_ a detailed model of the
commercial HexBeam product. Refer to my original post for a
description of how I got these model dimensions.
73, Eric N7CL
-----------------------
EZNEC ver. 2.0
HexBeam for 20 meters 04-05-2000 16:37:51
Frequency = 14.025 MHz.
Wire Loss: Aluminum -- Resistivity = 4E-08 ohm-m, Rel. Perm. = 1
--------------- WIRES ---------------
Wire Conn. --- End 1 (x,y,z : in) Conn. --- End 2 (x,y,z : in) Dia(in) Segs
1 W2E1 18.758, -3.817,420.000 W3E1 18.758, 3.817,420.000 # 12 3
2 W1E1 18.758, -3.817,420.000 W4E1 111.315,-57.252,420.000 # 12 24
3 W1E2 18.758, 3.817,420.000 W5E1 111.315, 57.252,420.000 # 12 24
4 W2E2 111.315,-57.252,420.000 19.883,-110.04,420.000 # 12 24
5 W3E2 111.315, 57.252,420.000 19.883,110.037,420.000 # 12 24
6 W7E1 -18.758, -3.817,420.000 W8E1 -18.758, 3.817,420.000 # 12 3
7 W6E1 -18.758, -3.817,420.000 W9E1 -111.31,-57.252,420.000 # 12 24
8 W6E2 -18.758, 3.817,420.000 W10E1 -111.31, 57.252,420.000 # 12 24
9 W7E2 -111.31,-57.252,420.000 -13.032,-114.50,420.000 # 12 26
10 W8E2 -111.31, 57.252,420.000 -13.032,114.504,420.000 # 12 26
-------------- SOURCES --------------
Source Wire Wire #/Pct From End 1 Ampl.(V, A) Phase(Deg.) Type
Seg. Actual (Specified)
1 2 1 / 50.00 ( 1 / 50.00) 1.000 0.000 I
No loads specified
-------- TRANSMISSION LINES ---------
Line Wire #/% From End 1 Wire #/% From End 1 Length Z0 Vel Rev/
Actual (Specified) Actual (Specified) Ohms Fact Norm
1 1/50.0 ( 1/50.0) Short ckt (Short ck) 27.100 in 255.0 1.00
Ground type is Real, high-accuracy analysis
Conductivity = .005 S/m Diel. Const. = 13
--------------- MEDIA ---------------
Medium Conductivity(S/m) Dielectric Const. Ht(in) R Coord(in)
1 5.000E-03 13.00 0 (def) 0 (def)
------------------------
begin 777 HEXBEAM.EZ
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end
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