ppp manual - denshi.e.kaiyodai.ac.jp · input the rinex observation and navigation message files....
TRANSCRIPT
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2016
PPP Manualusing RTKLIB
Supported by GNSS TUTOR
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A. Data acquisition part
Slide 3 – 7
B. Analyzing process part
Slide 8 - 12
This manual consisted of following tasks.
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2016/11/18 3
Data Acquisition from Web
✓ We need the following data to do PPP. So please go to the URL which supported each data and download it.
Slide 4-5
・ Observation file and Navigation message file (.16o and .16n)
Slide 6
・ Final products file and Clock file (.sp3 and .clk) → ftp://igs.bkg.bund.de/IGS/products/orbits/
Slide 7
・ DCB file (.DCB) → ftp://ftp.unibe.ch/aiub/CODE/2016/
・ Antenna file (.atx) → ftp://igs.org/pub/station/general/
A
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2016/11/18 4
Observation File and Navigation Message File ①
(ⅱ) Go to “Data Files”. (ⅲ) Internal or External → hour&hertz → year → month → day → Please select the time span which you want to analyze.Click Filename, then starting to download
T02 file.
In case of 3h_1hz of Internal on Nov. 16th
(ⅰ) Login
A
✓ Please get the observation data.
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2016/11/18 5
Observation File and Navigation Message File ②
Then, Created .16o and .16nThese files are needed in the process of RTKPOST.
3. Move to the folder which has T02 file
Next
A
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2016/11/18 6
Final Products File and Clock File ①
✓ Please access the site “GPS Date Calendar”. → http://adn.agi.com/GNSSWeb/
Check the week number and the day number.
FTP site
Download “19***.clk.Z” Download “19***_**.sp3.Z”
In case of Nov. 13rd
And unzip these files. These files are needed in the process of RTKPOST.
A
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2016/11/18 7
DCB File and Antenna File
✓ Please get the latest DCB file.
A
P1C1.DCB
And, unzip it.
✓ Please get the latest Antenna file.
igs08.atx
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2016/11/18 8
Analyzing Method Using RTKPOST in RTKLIB
RTKPOST: post processing analysis GUI App.
Input the RINEX observation and navigation message files.
・Single frequency Point Positioning
・Differential GNSS
・Real Time Kinematic
・Precise Point Positioning
Download latest version (2.4.2) from here!↓
http://rtklib.com/ or
https://guthub.com/tomojitakasu/RTKLIB
Manual: http://www.rtklib.com/prog/manual_2.4.2.pdf
Setting in Options...
B
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2016/11/18 9
Process of RTKPOST ①
Click here, then set up screen appears.
Setting 1 Setting 2
← Navigation message file
← Observation file← Clock file
← Last Product file
Input following files↓
B
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2016/11/18 10
Process of RTKPOST ②
Output Stats Positions
Files Misc
Then, Click “OK”.
← Antenna file
← DCB file
Input following files↓
B
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2016/11/18 11
Process of RTKPOST ③
Click “Execute”, then starting to post-process.
Done!
Go to the folder...
POS file generated!
Click “Plot...”, then the result appears.
B
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2016/11/18 12
Process of RTKPOST ④B
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2016/11/18 13
How to use ***.pos file ①
✓ pos file → csv file
Click “File” & “Open”
Start-up Excel file
Open pos file & change the format (pos→csv)
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2016/11/18 14
How to use ***.pos file ②
For example...
OPEN
open the file
Select the file which you want to convert.
OPEN
File name
Next CompleteCancel
Select the file-format of data
The data which is delimited by Comma or tab
Click “Next”
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2016/11/18 15
How to use ***.pos file ③
Comma
Click “Complete”
Delete column A
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2016/11/18 16
How to use ***.pos file ④
Delete line 1-24
Then, the remaining data isA B C D E F …
GPST, latitude(deg), longitude(deg), height(m), Q, ns, …
↑It is easy to analyze the data on IDE
(Integrated Development Environment)
You can use EXCEL or your own program…