Contest expedition Ideas?

[earnest at nsipo.nasa.gov]

I've already received info on Windwood (KP2).  I'm gathering information
on possible trips (involving contest weekends).  Not interested in emerging
or third world countries! HI!  Preferrably Western Hemisphere.

We are gathering information for the future and would appreciate inputs.

Anyone out there with good ideas? Please send email to my home email address
below:

	w7kjj at ix.netcom.com	

73 de Dave W7KJJ/6 (exop HZ1AB (1954, 77-86), ex KS6DY, ZL1BBA, KG6ICD (Marcus)
                     KA2ZZ, etc.


>From k2wk at crystal.palace.net (Walt Kornienko)  Sat Jun 15 23:10:00 1996
From: k2wk at crystal.palace.net (Walt Kornienko) (Walt Kornienko)
Date: Sat, 15 Jun 1996 18:10:00 -0400 (EDT)
Subject: 40-2CD and modelling in EZNEC?
Message-ID: <199606152210.SAA28983 at crystal.palace.net>

Hi David,

Someone (I think K1KP) provided an AO model of the Cushcraft
40-2CD.  I attempted to model it in EL/EZNEC using W6QHS's 
values for the inductors. The model came close, but no cigar.
I check my system configuration for interaction by modelling 
the 40M shorty as a center loaded antenna.  I use the element 
and boom lengths for the 40-2CD and optimize the value of the 
lumped constant for "resonable" gain & F/B values.  I know the 
antenna doesn't have more than 12 dB F/B and a gain of 4-5 dBd 
is a bit optmimistic, but the model is a compromise anyway.  
What the model does show is the effect of placing yagis too close 
together.  The element lengths on the 40-2CD are 44', which is 
close to one wavelength on 15M.  Placing the antennas a minimum 
of 12' apart results in very little interaction (between a my generic
40M antenna and a Hy-Gain 115BA.  

Until I learn how to decode AO input data I'll use my generic
2L 40M model for my modelling suites.  I really wish someone
had the time, and understood NEC & EZNEC to get an accurate
model of a very popular antenna.  (Roy are you listening?)

		Happy modelling de Walt - K2WK

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