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MIRAI

MIRAI ARCHIVE DATA(RINEX FILES)

You can download archive data in the RINEX format via HTTPS protocol directly.
It is suitable to download data in this way if you are using command-line tools such as WGET, CURL and so on.
Please see as follow in detail.

CONNECTION AND DATA INFORMATION

・Protocol
- Communication Protocol: HTTPS
- Authentication: Basic authentication
- User Name and Password: "E-MAIL ADDRESS" and "PASSWORD" registered in your account information
・File Format
- RINEX 3.04
- Hatanaka compact RINEX for observation files
・Compress
gzip
・URL
https://go.gnss.go.jp
・File Path
- Observation file
/rinex/daily/YYYY/DOY/yyd/RINEX_FILENAME.crx.gz

- Navigation file
/rinex/daily/YYYY/DOY/yyp/RINEX_FILENAME.rnx.gz

where
YYYY: 4digit year
DOY: 3digit day of the year
yy: 2digit year
RINEX_FILENAME: RINEX 3.04 file naming convention
・Data Span and Interval
Daily 30-second data
・Examples of downloading command
wget --http-user=<email address> --http-passwd=<password> --auth-no-challenge https://go.gnss.go.jp/rinex/daily/2022/001/22d/QSPP00JPN_S_20220010000_01D_30S_MO.crx.gz

curl -O -u <email address>:<password> https://go.gnss.go.jp/rinex/daily/2022/001/22d/QSPP00JPN_S_20220010000_01D_30S_MO.crx.gz
・Getting the RINEX file list
In order to be able to download RINEX files for "all existing stations" for a specific date with command line tools such as wget or curl, a list of files for that date can be downloaded by accessing a specific URL as shown below.

- Observation file
https://go.gnss.go.jp/rinex/daily/YYYY/DOY/yyd/list

- Navigation file
https://go.gnss.go.jp/rinex/daily/YYYY/DOY/yyp/list

The file list shows the RINEX file names and file size (in bytes) stored in the directory, as shown below.

240600NZL_S_20232700000_01D_30S_MO.crx.gz  562601
3WKB00AUS_S_20232700000_01D_30S_MO.crx.gz  3906741
4GLE00AUS_S_20232700000_01D_30S_MO.crx.gz  4314437
4MRN00AUS_S_20232700000_01D_30S_MO.crx.gz  3914889
4RMA00AUS_S_20232700000_01D_30S_MO.crx.gz  1305820
5CAL00AUS_S_20232700000_01D_30S_MO.crx.gz  1652420
5CLA00AUS_S_20232700000_01D_30S_MO.crx.gz  1221680
5FRC00AUS_S_20232700000_01D_30S_MO.crx.gz  4109628

The following is a sample script with the file list to download RINEX observation data files for all stations on a specified date.

- for wget
#!/bin/bash
 wget -O - --http-user=<email address> --http-passwd=<password> --auth-no-challenge https://go.gnss.go.jp/rinex/daily/2023/001/23d/list |
 while read FILE SIZE
 do
     wget --http-user=<email address> --http-passwd=<password> --auth-no-challenge https://go.gnss.go.jp/rinex/daily/2023/001/23d/${FILE}
 done

- for curl
#!/bin/bash
 curl -u <email address>:<password> https://go.gnss.go.jp/rinex/daily/2023/001/23d/list |
 while read FILE SIZE
 do
     curl -O -u <email address>:<password> https://go.gnss.go.jp/rinex/daily/2023/001/23d/${FILE}
 done

ACCESS TO THE GNSS NETWORK
AROUND THE WORLD 24/7

You can access to real-time GNSS streaming data and its archive data by choosing the GNSS stations on the map.

GO! MIRAI MAP

REFERENCE DOCUMENTS

- RINEX, The Receiver Independent Exchange Format Version 3.04
- Hatanaka compact RINEX
Join Us for the GNSS Database All Over the Globe

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