Last seen: April 9, 2026 5:20 pm
??I measured all the lines.? ?did you measure in feet or meters?? ?yes, of course. Maybe I don??t understand the question.?
No matter you are, from due north/south to due east/west is 90 deg.?ÿ Due E/W at a point is the great circle, the prime vertical.?ÿ
As I was reading the January, 1843 report by the Coast Survey, I??m sure most of us have a PDF of that, I found this exchange; pg 11/12. No love for ...
I had a 1.5 ft tripod. I found it very useful for gps on boulders, almost like a big trivet. Also they??re good for windy conditions. The tough part ...
That is most likely the old ephemeris is the receiver??s memory post rollover. So if there??s a memory reset (not a factory default reset) to dump e...
Then just as you punch the steel, “oh wait, left 2”
That’s what blogs are for. Like forgetting a negative sign for geoid sep. and blog to the rescue. no such thing as a dumb question.
If the date is wrong gnss will fail. Convert to rinex and fix the dates, download a broadcast eph. Import the edited rinex into gnss.
Can 4.7.2 fix dates? I just found 4.6.1 and thought I was current.
Editing a rinex with TextPad is pretty easy.?ÿ But what utilities are there to automate the date fix??ÿ
Throw the navigation file away. All nav files for a given day are essentially the same. You can retrieve a General nav file online, or copy the nav fr...
Editing a rinex file with ‘search and replace’ goes fast, and pretty reliable, regardless of how large the data set is. (Unless you have m...
Is FixWeek a utility for to fix rinex from older gear? need info on that plz. Editing a rinex with TextPad is easy, but mistakes happen. So if there?...
Well the ZSurveyor data appears scrambled. The much older z12 data works just fine, date edited of course. Spparently the Ashtech archive is go...
The ZSurveyor has older build: B0. There is at least an E version, I hope it’s still available to flash the receiver. I was so happy unti...
Still no base receivers 20 hrs after midnight. And I’ve never seen that message after 1-3 hrs post midnight. I think the data in the Asht...
I’ve seen it before, just not 12-14 hours after midnight Z.
My older Astech had the correct date (no edit required) in December! Then a few weeks ago it returned 1999, quick rinex edit and as good as ever. Yest...
Looks bad for me.?ÿ I logged normal static data from 22:30 to 23:59 on 06Apr. ?ÿMy older receiver does return 1999 date, but I edited the date per usu...