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larry-scott
larry-scott
@larry-scott
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Joined: May 28, 2014 10:48 pm
Last seen: April 9, 2026 5:20 pm
Topics: 61 / Replies: 998
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RE: Astronomic Azimuths

@mightymoe E&K AstroROM module for the 41 is available for i41CX+.  I shoot the sun regularly for kicks. I wrote a comprehensive spreadshee...

6 years ago
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RE: Astronomic Azimuths

@paul-in-pa You almost never see a true gps time except in a rinex file. Receivers display UTC.  For sun shots, UTC needs to be amended to UT1....

6 years ago
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RE: Astronomic Azimuths

@mightymoe And don’t leave out the software. Back in the day most of the time spent was in reduction. So with lat long, precision time, quartz...

6 years ago
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RE: Astronomic Azimuths

There was a sun shot on the exam. And I didnƒ??t skip over that question.?ÿ

6 years ago
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RE: Astronomic Azimuths

@john-hamilton If your hosting workshop, I’d like to attend (or assist)

6 years ago
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RE: Astronomic Azimuths

Over the last 6+ years sun shots is my thing.?ÿAnd thereƒ??s a lot more to it, but... better than 5ƒ? is not a stretch.?ÿ I wrote a comprehensive exc...

6 years ago
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RE: OPUS broken?

The red banner re: OPUS RS 2020 failure is gone. And data from 02 Jan ran. ?ÿ 🙂

6 years ago
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RE: Ashtech Z-Surveyor

@mightymoe I use the T3 a lot! And T3 and a 10 micron calibrated Subtense bar kicks ass! 

6 years ago
Forum
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RE: Ashtech Z-Surveyor

@mightymoe Big and heavy and no RTK. Like a 4000SL State of the art! In its day. 

6 years ago
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RE: Ashtech Z-Surveyor

@loyal I know! Just got to live with week rollover editing. And GNSS is free. And OPUS gives me 5 mm in an hour in my neighborhood.?ÿ the hallmark of ...

6 years ago
Forum
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RE: Ashtech Z-Surveyor

@nate-the-surveyor I just got an HP 3805A to go along with?ÿa 1955 T3, and 1969 T2, so I figure a 1998 Ashtech is a step up... baby steps. I can now p...

6 years ago
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Forum
Replies: 8
Views: 355
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RE: OPUS broken?

RS still not working.?ÿ 05 Jan. I ran 1 hr data from 30 Dec just now and itƒ??s 100%.?ÿ

6 years ago
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RE: OPUS broken?

@mark-silver I see the red/green bar chart for RS is almost all red.  2hr static mostly green.  hmmmm?

6 years ago
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RE: OPUS broken?

@joegeodesist OPUS RS still broke 

6 years ago
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RE: OPUS broken?

@standing-on-the-corner I’m in DuPage Co. IL. No-go just now, 8:30 CST. Where did you log? I noticed a high ‘red’ failure in RS....

6 years ago
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6 years ago
Replies: 17
Views: 374
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RE: Interesting Leap Second Information

@bstrand DUT rarely goes above +/- 0.7.  IERS Bulletin A publishes it. I enter both UTC and DUT and let Excel do the arithmetic.  Details...

6 years ago
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RE: Interesting Leap Second Information

I think.... there is chatter about abolishing leap second because itƒ??s not forecast for years. That leaves a lot of technology wondering when 1 more...

6 years ago
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RE: I had a brain fart

Most post softwares have extraction until. Like to make a hour file out the middle of a 6 hr file.?ÿ Start time is same, end time is whatever minutes ...

6 years ago
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