Topband
[Top] [All Lists]

Topband: 160 Antenna's Modeled

To: <topband@contesting.com>
Subject: Topband: 160 Antenna's Modeled
From: kn4lf@hotmail.com (Thomas Giella, KN4LF)
Date: Wed, 18 Apr 2001 10:41:44 -0400
I've been busy lately modeling a variety of 160 meter antenna's on EZNEC
3.0. For ground type I used real minimec and ground description
(conductivity) medium, frequency 1850 kc. From what I understand real
minimec approximates 32 1/4 wave radials. If you antenna modeling
professionals see any discrepancies in my data, I'm still learning how to
use the program.

1/4 wave L/ 128 feet long/ takeoff angle 20 deg.

1/4 wave L/ 64 feet up 64 feet out/ takeoff angle 25 deg.

3/8 wave L/ 64 feet up 128 feet out/ takeoff angle 60 deg.

1/2 wave L/ 64 feet up 192 feet out/ takeoff angle 90 deg.


1/2 wave T/ 126 feet up 252 foot flat top/ takeoff angle 25 deg./ gain 2.75
db

*1/2 wave T/ 51 feet near ground 75 feet up 252 foot flat top/ takeoff angle
30 deg./ gain 2.59 db

1/2 wave T/ 75 feet near ground 51 feet up 252 foot flat top/ takeoff angle
30 deg./ gain 2.54 db

1/2 Square/two 126 foot verticals with 252 foot horizontal phasing wire/
takeoff angle 25 deg./ gain 4 db

*=My present setup

73,
Thomas Giella, KN4LF



--
FAQ on WWW:               http://www.contesting.com/FAQ/topband
Submissions:              topband@contesting.com
Administrative requests:  topband-REQUEST@contesting.com
Problems:                 owner-topband@contesting.com


<Prev in Thread] Current Thread [Next in Thread>