[time-nuts] Choke Ring Pictures

[Magnus Danielson]

Bob Camp wrote:
> Hi
> 
> Wedding cake pans normally come in 1" increments and are either 2" or 3" deep. Sets are 2" increments on the diameter:
> 
> http://cooksdream.com/store/wedding-round.html
> 
> http://www.hubert.com/store/products.asp?CAWELAID=126235277&A=SB%2E58369%2E10738&Dn=0&An=966+966&Au=Presentation+Id&Ntt=10738&N=966+966&src=chanadv&Ntx=mode+matchall&D=10738&Ntk=SKU
> 
> The height would be fairly easy to adjust. The diameter not so much so.
> 
> Looks like 2 and 2.5" are typical dimensions for the depth. ~1" looks pretty typical for the width. A 2" deep / 2" diameter step set looks like it would do a pretty good job . It won't be accurate enough to be perfect. Without a 3D EM program it would be tough to figure out just what the errors would do to you. 

With 2.5" depth and 14", 12", 10", 8" and 6" diameter pans you are not 
completely in a different world from some antennas:

http://facility.unavco.org/project_support/permanent/equipment/antennas/ant_cals.html

Evaluating the performance may be a different thing.

One thing to care about is the leakage between the pans if you just 
stick them inside each other.

Wonder just how effective solution it would be.

Cheers,
Magnus