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

2019-02-22 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 wrote: > > > FWIW > > I just poked around my shop and found something that fit

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

2019-02-22 Thread David Witten
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

[time-nuts] Clock project request from IEEE

2019-02-22 Thread Tom Van Baak
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