[NLRS] WTB 2304 Antenna

[Dr. Gerald N. Johnson]

On 12/3/2011 2:30 PM, Donn wrote:
>
>
> Hi Mel.
>
> Kent didn't make one for 2304.  1296 is as high as he's
> gone.  Straight yagis are touchy at 2304...  margins maybe
> +/- 1/32" to 1/16", plus small varations in materials (or
> failure to follow directions EXACTLY) can make a big
> difference in performance.  A loop yagi is easier to
> build... if you have the tools to make the elements.
> Directive Systems sells'em... somewhat pricey, but....
>
> What do you feel you need for gain ?  A #10 juice can (46 oz
> tomato juice, etc.) will make a horn w/~10 dB gain.  Putting
> a flare on it can get you more gain with simple
> construction.  If you're going to be at Breakfast next
> weekend, we can talk.
>
> A 2' dish will give you ~22-24dB gain.  Could be wire frame;
> doesn't have to be solid, although you'll not get quite as
> much gain.  18-20 dB is still a fair amount.

Or the skeleton dishes used for 2 GHz TV a few years ago (MDS) or are 
used to extend 2.4 GHz ethernet. If the bars are parallel to the 
polarization and not too far apart (probably 0.1 wavelength) the gain 
will be close to a solid dish and the wind load a lot less.

73, Jerry, K0CQ
>
> 73 Donn
> WA2VOI/0
>
>
>
> ----- Original Message -----
> From:<Melvynkc0p at aol.com>
> To:<nlrs at mailman.qth.net>
> Sent: Saturday, December 03, 2011 7:33 PM
> Subject: [NLRS] WTB 2304 Antenna
>
>
>>
>>
>> Has anyone made a WA5VJB Cheap Yagi work on 2304. I am
>> looking for
>> something
>> that works or could be made to work for my Rover-Mobile.
>> Any suggestions
>> welcome.
>>
>> Mel KC0P/R
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