3/8" (nominal bore) NPT thread has an outer diameter near 5/8" and has 18
threads/inch somewhat finer than the 5/8 11 TPI used for most surveying antennae
Bruce
> On 23 February 2019 at 11:06 David Witten wrote:
>
>
> FWIW
>
> I just poked around my shop and found something that fit
FWIW
I just poked around my shop and found something that fit perfectly. It was
a 5/8 inch plumbing 'barb'. So I just went to to a big-box hardware store
(Lowes) and went to the plumbing section. The sales person agreed with me
that it seemed to be tapered and I found a nice 8 inch length of
I received the following email and permission to post it on time-nuts:
> Hello,
>
> I am the executive editor of the IEEE's flagship magazine, IEEE Spectrum.
> I recently acquired a TAPR "Pulse Puppy" and I am intrigued by the idea of
> using it to build a very precise clock that I would share