VHFcontesting
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[VHFcontesting] 50mhz Antenna Design Question

To: <vhfcontesting@contesting.com>
Subject: [VHFcontesting] 50mhz Antenna Design Question
From: k1dh1@hotmail.com (Donald Huntington)
Date: Thu Jun 19 16:44:03 2003
That explains it. That explains the NJ call. Good to hear from you and thanks 
again for the pix.&nbsp; 73&nbsp; DH


That exp 




&gt;From: "Bob Naumann - N5NJ" 


&gt;To: "Donald Huntington" 


&gt;Subject: Re: [VHFcontesting] 50mhz Antenna Design Question 

To: <vhfcontesting@contesting.com>
&gt;Date: Mon, 11 Mar 2002 19:04:27 -0600 

&gt; 

&gt;Yes - I used to be KR2J. 

&gt; 

&gt;----- Original Message ----- 

&gt;From: "Donald Huntington" 


&gt;To: 


&gt;Sent: Monday, March 11, 2002 6:53 PM 

&gt;Subject: Re: [VHFcontesting] 50mhz Antenna Design Question 

&gt; 

&gt; 

&gt; &gt; That's ok, I sent thru the MGEF reflector. Did you used to be a 2? 

&gt; &gt; 

&gt; &gt; 

&gt; &gt; 

&gt; &gt; &gt;From: "Bob Naumann - N5NJ" 

&gt; &gt; &gt;To: "Donald Huntington" 

&gt; &gt; &gt;Subject: Re: [VHFcontesting] 50mhz Antenna Design Question 

To: <vhfcontesting@contesting.com>
&gt; &gt; &gt;Date: Mon, 11 Mar 2002 17:34:45 -0600 

&gt; &gt; &gt; 

&gt; &gt; &gt;By the way, I did not send the picture to the reflectors. 

&gt; &gt; &gt; 

&gt; &gt; &gt;It only went to you. 

&gt; &gt; &gt; 

&gt; &gt; &gt;----- Original Message ----- 

&gt; &gt; &gt;From: "Donald Huntington" 

&gt; &gt; &gt;To: 

&gt; &gt; &gt;Cc: 

&gt; &gt; &gt;Sent: Monday, March 11, 2002 5:18 PM 

&gt; &gt; &gt;Subject: Re: [VHFcontesting] 50mhz Antenna Design Question 

&gt; &gt; &gt; 

&gt; &gt; &gt; 

&gt; &gt; &gt; &gt; MGEF is the MT. GREYLOCK EXPEDITIONARY FORCE, W2SZ/1. The 
nations 

&gt;number 

&gt; &gt; &gt;one contest operation. See our web site www.mgef.org 

&gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt;From: "Bob Naumann - N5NJ" 

&gt; &gt; &gt; &gt; &gt;To: "Donald Huntington" 

&gt; &gt; &gt; &gt; &gt;Subject: Re: [VHFcontesting] 50mhz Antenna Design 
Question 

To: <vhfcontesting@contesting.com>
&gt; &gt; &gt; &gt; &gt;Date: Mon, 11 Mar 2002 17:12:34 -0600 

&gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt;Who is MGEF ? 

&gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt;That was from Field Day 1980 in Boonton, NJ. 

&gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt;----- Original Message ----- 

&gt; &gt; &gt; &gt; &gt;From: "Donald Huntington" 

&gt; &gt; &gt; &gt; &gt;To: 

&gt; &gt; &gt; &gt; &gt;Cc: ; ; 

&gt; &gt; &gt; &gt; &gt;Sent: Monday, March 11, 2002 5:08 PM 

&gt; &gt; &gt; &gt; &gt;Subject: Re: [VHFcontesting] 50mhz Antenna Design 
Question 

&gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; Boy the guy in the picture looks familiar. He had 
a full head of 

&gt;hair! 

&gt; &gt; &gt; &gt; &gt;Also the station was in the white van and was the TR6, 
This probably 

&gt; &gt; &gt;dates 

&gt; &gt; &gt; &gt; &gt;to the late 70's or early 80's. Do you know.? MGEF 
could use this on 

&gt; &gt; &gt; &gt; &gt;their web site if you can date it. Thanks for the 
memory, 73, Don 

&gt;K1DH 

&gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;From: "Bob Naumann - N5NJ" 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;To: "Donald Huntington" 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;Subject: Re: [VHFcontesting] 50mhz Antenna 
Design Question 

To: <vhfcontesting@contesting.com>
&gt; &gt; &gt; &gt; &gt; &gt; &gt;Date: Mon, 11 Mar 2002 16:44:02 -0600 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;Remember this? 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;----- Original Message ----- 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;From: "Donald Huntington" 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;To: 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;Cc: 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;Sent: Sunday, March 10, 2002 9:03 PM 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;Subject: Re: [VHFcontesting] 50mhz Antenna 
Design Question 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; Hi Jim, Why don't you contact Steve, 
K1FO directly?You can get 

&gt;his 

&gt; &gt; &gt; &gt; &gt;address 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;from arrl.org and hopefully his phone number 
from 

&gt;switchboard.com. I 

&gt; &gt; &gt;know 

&gt; &gt; &gt; &gt; &gt;he 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;has done extensive testing with his antennas 
and could steer you 

&gt;in 

&gt; &gt; &gt;the 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;right direction. Good luck, 73 Don K1DH 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;From: James Hayes 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;Reply-To: hazy119@westelcom.com 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;To: vhf@w6yx.stanford.edu, 
vhfcontesting@contesting.com, 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;50mhz@topica.com, 2m@mailman.qth.net 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;Subject: [VHFcontesting] 50mhz 
Antenna Design Question 

To: <vhfcontesting@contesting.com>
&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;Date: Sun, 10 Mar 2002 17:48:47 
-0500 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;50mhz reflector 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;Hello all on the list and please 
forgive the bandwidth... 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;I'm trying to configure a couple of 
antenna arrays for 2M and 

&gt; &gt; &gt;432. 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;Running 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;pairs of K1FO-12 for 2M and a pair 
of K1FO-15 for 432 in the 

&gt; &gt; &gt;E-plane 

&gt; &gt; &gt; &gt; &gt;on a 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;48 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;ft tower, and while using Yagi Max 
I noticed that the wider 

&gt;the 

&gt; &gt; &gt;W/L 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;spacing 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;between the antennas the narrower 
the beam width of the main 

&gt; &gt; &gt;lobe. 

&gt; &gt; &gt; &gt; &gt;Most 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;of 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;the reading I've been seeing on the 
subject varies widely 

&gt; &gt; &gt;regarding 

&gt; &gt; &gt; &gt; &gt;the 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;'optimum' spacing. 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;The original design parameters by 
Paul, K1FO states one thing 

&gt;and 

&gt; &gt; &gt;YM 

&gt; &gt; &gt; &gt; &gt;3.11 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;states another for optimum spacing 
for antennas of his 

&gt;design. 

&gt; &gt; &gt;Also, 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;others 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;have written that .9 W/L is optimal 
for all 

&gt;arrays...(confusion 

&gt; &gt; &gt;sets 

&gt; &gt; &gt; &gt; &gt;in.) 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;I 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;have noticed a tighter pattern on 
the main lobe provides a 

&gt; &gt; &gt;cleaner 

&gt; &gt; &gt; &gt; &gt;F/B 

&gt; &gt; &gt; &gt; &gt; &gt; &gt;ratio 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;as well but it lends itself to 
having the antennas spaced at 

&gt;1.5 

&gt; &gt; &gt;W/L 

&gt; &gt; &gt; &gt; &gt;or 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;larger!!! 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;My question is rather simple...is 
it more desirable for one 

&gt;to 

&gt; &gt; &gt;have a 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;narrower or wider bandwidth pattern 
on the main lobe, or is 

&gt;it 

&gt; &gt; &gt;rather 

&gt; &gt; &gt; &gt; &gt;a 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;matter of aesthetics over gain? As 
the gain itself does not 

&gt; &gt; &gt;increase 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;appreciably to offset the necessity 
of a narrower band width 

&gt; &gt; &gt;pattern. 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;Jim, N2YEV 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;n2yev@arrl.net 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;----- 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;Visit the Six Club web page at: 
http://6mt.com/club.htm 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;----- 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;3 Ring Halo Antenna 
http://6mt.com/halo.htm 

&gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt; &gt;----- 

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