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Are You Ready For The GPS Week Rollover?  

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Jpaws
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I have an old Topcon Hyper lite +. Has anyone had problems with updating the firmware for this unit?
Is it advisable to update? What if I leave it as is? Any help is appreciated!

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surveyor2
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Mine seemed to be ok for static  and OPUS but rtk had a 1999 date so do  not believe that would work in the field.  Tried to load the firmware into the base using Bluetooth and have it all locked up so can not use it.  May have to send it out.  Was successful with the rover using a serial cable.  Have not tried the H2 or the Hv yet but they both take the same firmware so should not be a problem.  

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Jpaws
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Found this guy on you tube, says for legacy units you can clear the NVRAM, no need to update firmware.

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Jules J.
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A buddy of mine, whom is my boss at work, ran 2 PM2's Tuesday for a elevation certificate. He reset set the unites before running his session. Opened up Ashech Solutions and downloaded the data. He said that worked fine. But when he tried to bring the data up in  Ashech Solutions it wouldn't do it. So last night I ran 1 PM2 in my driveway. Downloaded the file and Almanac, Put the Almanac in the Ashech Solutions bin folder, and opened Ashech Solutions. There the site was. My file had the correct date. I'll have to set 2 PM2's up next time and post process the session to see if that works. As far as I know is I put the Almanac in the bin folder. I put the lat and lon in Google Earth and there it was in my driveway.

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dimitzio2
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i'm using a pair of promark3 (l1) and even if in the field everything looks normal, i can't process them in GNSS Solutions. Any idea about converting in rinex files and to the process to that programm or to another??

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Jules J.
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did you reinitiate the pm3's before the session?

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dimitzio2
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what do you mean?

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george tsipas
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PROMARK 3 & GNSS SOLUTION

  I am a owner of a pair of promark 3 .

After the gps week rollover after I was download the data from rover and the base at the same time the program crash down ( the program don’t respond)

SOLUTION

STEP 1

  1. CREATE NEW PROJECT (par example TEST 1)
  2. DOWNLOAD OR IMPORT DATA FROM ONE UNIT ONLY (BASE OR ROVER)
  3. IMPORT
  4. EXIT FROM PROGRAM

STEP 2

  1. RUN GNSS SOLUTION
  2. OPEN EXISTING PROJECT (TEST 1)
  3. DOWNLOAD OR IMPORT DATA FROM THE SECOND UNIT ONLY (BASE OR ROVER)
  4. IMPORT
  5. PROCCESS AND AJUST

All the static solutions are perfect.

GEORGE TSIPAS

CIVIL ENGINEER

XYLOKASTRO GREECE

Email:[email protected]

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Mark Silver
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Ashtech Solutions: you really should at least switch to the latest version of GNSS Solutions. It is not perfect, but the processing engine is much better.

GNSS Solutions: the RINEX convertor that is in GNSS Solutions won't work (defective). Manually convert the Ashtech files to RINEX using the 4.7.2 (newly released) RINEX converter, then import the RINEX into GNSS Solutions. You can download the new RINEX convertor from the Spectra SP80 web page (at the bottom.)

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A Harris
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3.10.01 is the latest I know of.

I have my own control points set and processed from TxDot CORS stations that range across several counties that I use exclusively.

When they get covered over or knocked out, I move at least 50ft and set new ones.

0.02

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dimitzio2
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dimitzio2
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Thank you Mark! I did that and it's working for single base solutions! But now my problem is "stop & go" techique. GNSS can't give me back adjusted fixed solutions for the points of interest that I measure! The accuracy that returns the programm is about 3-4m, although when I put them on an orthophoto seems to be ok! Any ideas?

Also, in new RINEX convertor from the Spectra SP80 i saw that when I use downloaded data from GNSS (unzip Promark3 data in GNSS Solutions) and try to convert them to rinex the information pad gives me as last observation time 1980 and that scares me!!! 

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Mark Silver
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I don't have any files to play with, so I can't legitimately comment. I don't have any PM3 or PM2's left, which is indicative of 'it might be time for you to purchase new equipment.' (I don't know if I am allowed to say that without upsetting a lot of people.)

I realize that the audience here is worldwide and there is a varying degree of resources available. However, I would like to point out that it is 2019 and there are a variety of dual frequency devices available at fairly reasonable prices that work without standing on one foot, holding a scepter at a 23 deg 14 min 32 second angle to the horizon at a bearing of astronomical north and jumping up and down three times, exchanging the foot on the ground with each jump. And now we find that one must have one red sock and one green sock to complete a project.

All my recent uses of GNSS Solutions have ended in the program hanging when importing 'some' CORS RINEX files (about half the stations trigger a hang). The HI's on imported files are not applied universally unless you open the occupation and click the 'Apply to All' button. The adjustment program is contained in an external tool which is removed by most anti-virus programs. These are only the worst issues. There are many more.

To this end, I am declaring 'GNSS Solutions' end of life and I am not supporting it anymore. If you are a hobbyist using 'GNSS Solutions' then good luck to you. If you are relying on 'GNSS Solutions' for any professional purpose then you playing with fire. GSol is not reliable by any measure and it is long past time for you to move on. 

On April 18th, when I found myself responding to WNRO issues from 7 until midnight (I literally was getting over 20 questions per day by email from non-customers, world wide and in 4 languages) I officially pulled the plug. There is a complete description of my frustration at my blog, and this time I am serious. From my perspective 'GNSS Solutions' is dead. If you are using it, you are foolish. End of discussion.

I am very sorry about this. I really liked GNSS Solutions (and the predecessor Ashtech Solutions) and I don't love any of the replacements that are available today. The engine that is in GNSS Solutions was excellent. I am wary of any tool that does not closely match. But GNSS Solutions is so unreliable that it is a waste of time to load data into it. Every move you make is one closer to it hanging. 

So no more talk about 'GNSS Solutions': it is dead. To beat it more exposes us as idiots.

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oldpacer
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BOOO. Hissss. I do not like what you said, BUT YOU ARE CORRECT. Putting some PM3's out there and letting them run has been an easy and reliable thing to do. I am not sold on network rovers and new equipment is expensive for just a static traverse pair or site elevation. 

Sorry I booed you and others have not liked what you have to say. You have been a mentor and a guidepost for us otherwise unaffiliated users of no-longer-cool ways of doing things. Your endless hours of assistance is proven by the number of your Technical Bulletins in my Ashtech Folder. I have never had to contact you because you have always answered my question on a post, blog, bulletin, note or paper, before I needed to ask it. You have not been selfish with your time, knowledge or expertise; which others, like myself, have taken advantage. I wonder if that lady that sells me flagging knows anything about satellite receivers. 

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Bibian
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Is the recent GPS rollover the reason as to why I can't load static data for processing in GNSS solutions? I had not updated my firmware.

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oldpacer
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Yes, see George's post above.

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