[time-nuts] Re: WWVB Loopstick Antenna Project

[Lux, Jim]

On 9/10/22 7:59 AM, D. Resor via time-nuts wrote:
> I exploring the parts needed to construct this particular VLF Loop Stick
> Antenna by Richard Q. Marris G2BZQ.
>
> I have uploaded the article to my DropBox Account here:
>
> https://www.dropbox.com/s/niv64xqmghu76z3/1_1201157_4_Ultima_loopstick_VLF_a
> ntenna.pdf?dl=0
>
> The project explains you should use 9.5mm (3/8") Diameter X 15cm (6") Length
> Ferrite rods.
>
> The closest I have been able to find are 10mm (0.393") Diameter X 160mm
> (6.299) Length.
>
> Will it make much of a difference?
>
> Thank You
>
> Don Resor


Not much difference.. the diameter 0.375 vs 0.393 isn't much. Length 
doesn't much matter, as long as the windings fit.

A bigger issue might be the permeability of the rod.