[Antennas] Fat rugged dipole?

Wed Jul 27 14:14:03 EDT 2016

Do a search for 2m halo or squalo antennas, you should be able to easily 
scale one of those to 312MHz...
73, Ross N4RP
On 7/27/2016 12:14 AM, KD7JYK DM09 wrote:
> I've been running some number for a dipole at 312 MHz.
>> Using 468/f, I get 1.5', too large for my installation and that's for a
> "wire" antenna.
>> I need something rugged to avoid possible damage grom vandals, and most
> likely, large animals. No problem with a couple of elements turned out of
> solid aluminum looking like a couple of small soup cans...
>> I know a radial can be shortened to an extent if it's fattened...
>> Generally, for an element of 4" or 6" length, how fat would it need to be to
> be resonant at 312 MHz?
>> Is there a resaonably easy to use calculation for such things?
>> Thanks.
>> Kurt
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-- 
FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.”