[Antennas] resonance

Sat Dec 17 19:14:17 EST 2005

I don't see anything in your response that points me to a specific
reference. I gave you a specific reference. So, I suggest that you shoot
down my reference, or point me directly to one that backs up your
allegations.
73 de W9DMK - Bob Lay, Dahlgren, VA
http://zaffora.f2o.org/W9DMK/W9dmk.html
w9dmk at crosslink.net
>> My basis for the above is from Figure 6, page 2-6 of the 17 th Editon of
>> the ARRL Antenna Book.
>> If you like, I will check the RSGB Antenna Book to see what it says.
>>>>> No, that is just a missapplication of the formula for determing length
>>> of wire antennas. I am pretty sure there are correction factors to be
>>> considered for 'thick' dipoles.
>>>>>> Would you like to share with us your reference for that?
>>> Sure, just look up the formula for determining length of a half wave for a
> given frequency. You can find the formula in any antenna book or
> handbook. Then read the considerations when using the formula. You will
> fing that is only good to frequencies up to 30mhz or so, and then only for
> wire antennas.
>> You can find other formulas for determining half wavelengths of thick
> dipoles for use in beams and verticals in the sections on beam
> construction.