[time-nuts] GN-GGB0710 GPS Antenna Mounting Thread

[Bruce Griffiths]

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 <wittend at wwrinc.com> wrote:
> 
> 
> 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 brass
> extension threaded on both ends.  It fit snugly and seems well suited for
> attachment to a larger pole using a couple of hose clamps.
> 
> Dave Witten
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