Found this online and worth reading.

Thanks everyone!

Thanks, now sorry, but how do I look them up? I went to NGS site and typed them in, but I'm Canadian so not familiar with the process!

@paul-in-pa That's why I put "uphill" in quotation marks - I understand all you say. I am looking for such points to prove why we need geoid models ...

@loyal I will check it out - thanks

@alphabootis Ok, but the station shouldn't go into a search with ATR "Off". Are you sure it's off? Whatever seems logical is usually the opposite of...

Turn off ATR perhaps?

@micheal-daubyn- Now that you're here.. ?????ÿ As an expert on keeping the 1100 going long past it's sell by date... Have you ever dealt with the c...

I emailed him once with some GPS questions. Wrote back with lots of specific advice - lots of encouragement...I was blown away and very grateful he sh...

@john-hamilton Hey, I was just working through the lunar azimuth example in your paper! Thanks for putting that together

@bill93 I'll take it too - thanks!

Right - no stars - forgot about that.?ÿ

Larry, Would this be a similar format to what you want?

@bill93 ?ÿ That doesn't work either. If you "Add to Cart" it says they are closed to business. ?ÿ

@notsomuch A 3 pt angle only resection off distant towers or other landmarks that have known coordinates is one use I can think of. Solar/Astronomic...

@leegreen Thanks - I guess what's confusing me is -?ÿ in your system, if I was in stake out line and entered 0+56 as my desired station, would I be l...

@leegreen Would it be correct to assume that to work always in grid, the CSF would have to be applied one way, to tie into control, and the other way...

Canadian in Thunder Bay here Born in UK but lived in Canada since 1990. Welcome!