Last seen: April 9, 2026 5:20 pm
The question is what was the original? oil replaced, alcohol replaces alcohol.?ÿ oil seals with alcohol (vice versa) gonna cause problems.?ÿ I have...
I see a comment and link to rinex converter 4.7.1 However, the link is to a doc, and even that doesn't load. I could really use rinex converter that ...
@robertusa Of course more is better. Not suggesting that bottom line isn??t the driving factor. As I noted: commercially no longer viable. Newer is ...
@rover83 And GPS on BMs. NGS wants 4 hours regardless. Fine use of a Z-12. (Week rollover just isn??t a problem. Fixing the day is part of downloadi...
@rover83 a couple of Z-12, OPUS, conventional observations (total station) and Starnet. You do better, maybe faster. Maybe not as good. But these da...
And my circa 1998 12 channel L1/L2 receivers, (and 1995 8 channel ScoutMaster) work as well as the day they were delivered. Granted, not up to today...
Almanac and Ephemeris Data as used by GPS receivers (4 July 1998) The satellites broadcast two type of data, Almanac and Ephemeris. Almanac data is c...
@bill93 yeah a 3000-4000 grid feet span design.?ÿ I??ve seen the over all alignment in SPC, but the bridge had a separate plan with a ??work point...
I??ve seen 20 yrs, but that had a lot of time in the drawer. 15C best calculator ever. I just bought one (premium price) that looks as fresh as daisy...
Also watch out for designs that use 1 UTM coordinate AND proceed with no scale factor. With just a north arrow and no other information. It may only l...
Significant digits is a part of the math that we need to understand to the best of our ability. Lat Long, versus measured distance, measured angle, c...
@big-alI do not have Hemi320, a friend does. The bin-> rinex did produce a valid obs file, no issues. However, the quirk was that the NAV file was...
@field-dog special projects, not typical production. Mostly because the gear works as well as the day it left the factory. Just feels right to shoot ...
@frozennorth Office. Entry level. I had very little interview experience at that time. So, I didn??t think it was unusual. However, not two days la...
@peter-ehlert magnetic I can figure. I can never grid to geodetic going right way. But I saw an astronomic observatory built on grid north instead o...
Best LSIT question was in the parking lot afterwards. We were chatting about how we thought we did. And he asked (oddly) ??how many feet in a rod??...
I applied for a job with a county survey dept in 1985. There was a panel of 4 giving the interview. They asked me for formulae for obliques. Laws of ...
I have a copy of Survey Solutions for HP41. And SSS SAS ASA AAS SSA are alive and well. I have that in HP41-iPhone App as well. I also have COGO on ...
@john-nolton not the correct North. It was a costly mistake. And adjustment programs often (1989) routinely output only grid and the difference was ...