[amsat-bb] Re: New APRS Rocket Antenna concept needed

[Idle-Tyme]

Bob,

how about an Alford Slot antenna?
http://www.k5rmg.org/Alford-slot.html

one for 2 meters is almost perfect in size for a 10" diameter tube!

Joe WB9SBD

The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com

On 4/2/2010 1:28 AM, Gordon JC Pearce wrote:
> On Tue, 2010-03-30 at 19:04 -0400, Robert Bruninga wrote:
>    
>> I need someone interested in adding quadrature 2 meter antennas
>> to the outside of a 10" diameter sounding rocket by middle
>> May...
>>      
> There was an article in a recent copy of Practical Wireless about making
> a DDRR antenna for 2m out of the ring around the top of a catering-size
> coffee can.  It's not quadrature as such, but I wonder if you could fit
> such a thing inside the body of the rocket looking down, with its ground
> plane acting as the bulkhead for the nose cone?
>
> Gordon MM0YEQ
>
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