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john-hamilton
john-hamilton
@john-hamilton
Member P&R, Founder
Joined: September 13, 2010 5:25 am
Last seen: September 17, 2026 5:28 am
Topics: 409 / Replies: 3051
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RE: Split a obs file

I guess notepad has come a long ways since I used to use it a LONG time ago. As I recall it was very Iimited in file size, etc. have been using ultrae...

10 years ago
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RE: Split a obs file

Loyal: you are right, I probably should not even mention that option. Although it is fairly easy to do if you have a general knowledge of files, etc. ...

10 years ago
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RE: Army Technical Manuals 441 & 442

[email protected] have both manuals hard copy, but having a digital file is always a good thing. Someday I will need to downsize my book collect...

10 years ago
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RE: Split a obs file

teqc will do it if you know the command line switches. But, Rinex is an ascii file, you can manually split it, just be sure to keep the header in both...

10 years ago
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RE: L Band Corrections (Centerpoint RTX, etc.)

I don't know if it is still the case, but Trimble did have a coordinate system in the data collector called something like State Plane NAD83 (2011). S...

10 years ago
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RE: Flying with GPS as a carry on

No problems at all, do it all the time. They *may* select it for further screening as Adam said, but not always. Tripods/poles/rods can be checked as ...

10 years ago
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RE: OPUS Timeout Error

That is strange, what would the difference be between "For Opus" and a Rinex 2.1x file?

10 years ago
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RE: L Band Corrections (Centerpoint RTX, etc.)

Actually, that should be an "exact" transformation. I believe they use the same parameters that OPUS, etc uses to transform from ITRF (which is what O...

10 years ago
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RE: L Band Corrections (Centerpoint RTX, etc.)

The coordinates must be known in ITRF

10 years ago
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RE: NGS CDs of Datasheets - Remember those ?

Alt-c, then right click the item you want to split, then pick SPLIT. In the newest version it is under LAYER on the right click menu

10 years ago
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RE: NGS CDs of Datasheets - Remember those ?

I had written software that would enable a datasheet file to be searched and extract stations that meet certain criteria, but I haven't update it in y...

10 years ago
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RE: Going to Trimble Dimensions?

I liked it, no complaints about that. Even though I arrived on Sunday (and went to Valley of Fire) I waited until Monday AM to register, and there was...

10 years ago
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RE: Going to Trimble Dimensions?

I think it depends on what kind of scanning you want to do. I have a TX8, it is a great instrument-fast, accurate, etc. The SX10 is a lot slower and n...

10 years ago
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RE: Going to Trimble Dimensions?

excellent sessions, but the substitution of the customary Wednesday night gala dinner with a "customer appreciation party" was a big disappointment. I...

10 years ago
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RE: Horizontal and vercical datum interaction (NAD27 in particular)

That map is pretty crude, but I think it shows why they chose Iowa as the second location for the geoidal profile done last year. In order to properly...

10 years ago
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RE: Horizontal and vercical datum interaction (NAD27 in particular)

No, that is a true statement. They did not know accurately what geoid heights were. They picked an earth radius (clarke1866 ellipsoid) and then made t...

10 years ago
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