[Antennas] Fat rugged dipole?

[Ross Primrose]

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
>
>
> ______________________________________________________________
> Antennas mailing list
> Home: http://mailman.qth.net/mailman/listinfo/antennas
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Antennas at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html


-- 
FCC Section 97.313(a) “At all times, an amateur station must use the minimum transmitter power necessary to carry out the desired communications.”