[Hallicrafters] Re: 40M dipole on 80M

Duane Fischer, W8DBF dfischer at usol.com
Thu Oct 2 20:09:08 EDT 2008


Hmmm. Now in an old 1955 ARRL handbook the former owner had penciled in info 
on how to cause the metal box springs for the bed to transmit on eighty 
meters. Truth! He also had info on how to use the 'metal' window screen as 
an antenna! Efficient? Who can say! Now those two would be fun to have one 
of you antenna wizards model!


----- Original Message ----- 
From: "DALE PARFITT" <parinc1 at verizon.net>
To: <hallicrafters at mailman.qth.net>
Sent: Thursday, October 02, 2008 9:07 AM
Subject: [Hallicrafters] Re: 40M dipole on 80M


>
> > I have a 40 m dipole horizontal antenna and would like to try
>> transmitting (HT-44) on 80 m.  What should I expect?  I have a Ten-Tec
>> 229 antenna tuner and may be able to match - suggestions (helpful)
>> would be appreciated.  Thanks.
>> 73,  Skip  W7WGM
>>
> Hi Skip,
> I did some fast modelling. I assumed a 40M dipole fed with 100' of RG-213. 
> 100W in yields 2W out. If you're feeding with ladder line, it's a 
> different deal of course.
> The feed Z is 16 -J1009 for a whopping VSWR of 1300:1
> Dale
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