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john-hamilton
john-hamilton
@john-hamilton
Member P&R, Founder
Joined: September 13, 2010 5:25 am
Last seen: September 16, 2026 3:38 pm
Topics: 409 / Replies: 3051
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RE: Trimble 5700 - yikes!

It will work, the only thing wrong with the dat files from the 4700's and older firmware version of the 5700 is that the wrong week number is in the f...

10 years ago
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RE: Antenna height problem?

Since the beginning of GPS time there have been splitters that enable one to do a zero length baseline test, where one antenna feeds two (or more) rec...

10 years ago
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RE: Trimble 5700 - yikes!

It is at the dealer now, I will ask about it and update here.

10 years ago
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RE: DOT RTN / VRS guru suggestions needed.

I converted a .job file from last week to .jxl (xml format). Here are a few of the records: The "base": PAWG ...

10 years ago
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RE: DOT RTN / VRS guru suggestions needed.

I was told the recent problems with connections were due to the high winds that went through the east coast and damaged a number of stations. As tehy ...

10 years ago
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RE: Atmospheric corrections

Gene: I use the same device. The IR connection is a bit flaky, alwyas takes a few tries to connect. I believe I got the formulas from the el paso page...

10 years ago
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RE: Atmospheric corrections

Gene Kooper, post: 417884, member: 9850 wrote: Not to get between John and John, but here's what a surveyor/geologist (not geodesist) uses for convers...

10 years ago
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RE: Atmospheric corrections

I took that right out of the software I wrote, so pressfact is a factor that is multiplied by the SLP to get SP (station pressure). Because, in my sof...

10 years ago
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RE: Atmospheric corrections

Here is what I use to convert SLP to station pressure:pressfact = ((288 - 0.0065 * H) / 288) ^ 5.2561 (H in meters ABOVE SEA LEVEL, not the ellipsoid)

10 years ago
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RE: Ransomwear

Jim Frame, post: 417731, member: 10 wrote: Those tape drives are pricey ($2k and up). I think you'd do better buying disks, backing up in pairs, and ...

10 years ago
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RE: DOT RTN / VRS guru suggestions needed.

I did have a few problems this week with Keynet, in two very different locations (different states). I was having a lot of "switching to new base" mes...

10 years ago
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RE: Ransomwear

BTW it is ransomware (as in software), not ransomwear , and I really hope I never have to deal with anything like that. I am a very small outfit, so I...

10 years ago
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RE: Stolen R10 Tulsa, OK

I was able to find his full name and a picture on facebook by putting in the cell number I have for him. So I do have that.

10 years ago
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RE: Stolen R10 Tulsa, OK

I had also heard that if a stolen piece of equipment is recovered after payout, the insurance company will try to sell it. Hopefully they don't want t...

10 years ago
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RE: Stolen R10 Tulsa, OK

My daughter, who is law school to be a criminal defense attorney, says I should get the police after him. I am afraid if I get them involved (if they ...

10 years ago
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RE: Stolen R10 Tulsa, OK

Very ture. But, I just want to get it back with no hassle. However, if he does not show up, or demands more money, I could give the police his name (I...

10 years ago
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RE: Stolen R10 Tulsa, OK

Now I have a problem...It looks like I am getting the unit back, a buddy of mine In Tulsa called to say that someone went in to a survey company there...

10 years ago
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RE: DOT RTN / VRS guru suggestions needed.

I had a recent project near Philadelphia where the scope called for me to do long static obs on 5 existing stations, and tie in 6 BM's, and then adjus...

10 years ago
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RE: Trimble 5700 - yikes!

Shelby: I was not aware that the Trimmark II was ever available as a 12.5. I have an OLD Trimmark II that I don't use anymore. I think you may be righ...

10 years ago
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RE: DOT RTN / VRS guru suggestions needed.

I have not seen any problems with Keynet, but I have not used it in the area the original poster mentioned. I did discover a problem years ago in Main...

10 years ago
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