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Application Program InterfaceAPI

APIOutline

Web APIs are available to get data concerning QZSS/GPS in this QZ-vision site.

Feel free to make use of these APIs for your tool/service developing.

Request method

The APIs are based on the HTTP protocol GET method.

The description in the request shall be URL encoded.

The response from the request is in XML format.

Warning

The APIs shall only be used for not-for-profit tools and services.

Neither the integrity of the API behavior nor the data attained from it are guaranteed.

At the moment, there are no limits on the users' API actions, although we may place limits on the actions in the future without prior notice.

The APIs are subject to updates without prior notice.

APISearch

Searches for Almanacs

Request URL

http://qz-vision.jaxa.jp/api/search/almanac

This API returns a list of Almanacs available in a designated time span.

request parameter

parameters format description
since_datetime string(optional) date & time to search starting since(UTC)
[YYYY-MM-DD hh:mm:ss]
until_datetime string(optional) date & time to search until(UTC)
[YYYY-MM-DD hh:mm:ss]
since_week integer(optional) GPS Week to search starting since
until_week integer(optional) GPS Week to search until
since_weeksec integer(optional) second of week to search starting since
until_weeksec integer(optional) second of week to search until

usage

request

http://qz-vision.jaxa.jp/api/search/almanac?since_datetime=2010-12-14%2000:00:00&until_datetime=2010-12-16%2000:00:00

response

Searches for NAQUs

Request URL

http://qz-vision.jaxa.jp/api/search/naqu

This API return a list of NAQUs available in a designated time span.

request parameter

parameters format description
since_datetime string(optional) date & time to search starting since(UTC)
[YYYY-MM-DD hh:mm:ss]
until_datetime string(optional) date & time to search until(UTC)
[YYYY-MM-DD hh:mm:ss]
since_week integer(optional) GPS Week to search starting since
until_week integer(optional) GPS Week to search until
since_weeksec integer(optional) second of week to search starting since
until_weeksec integer(optional) second of week to search until

usage

request

http://qz-vision.jaxa.jp/api/search/naqu?since_datetime=2010-1-1&until_datetime=2010-12-31

response

APIGet

Gets an Almanac

Request URL

http://qz-vision.jaxa.jp/api/get/almanac

This API returns a designated Almanac.

request parameter

parameters format description
id string(optional) file name
If no file name is designated, the API will return the latest Almanac.

response

The XML is in conformity wtih the schema denoted below.

http://qz-vision.jaxa.jp/Schema/Yuma/1/01

usage

request

http://qz-vision.jaxa.jp/api/get/almanac?id=qg2010352.alm.xml

response

Gets a NAQU

Request URL

http://qz-vision.jaxa.jp/api/get/naqu

This API returns a designated NAQU.

request parameter

parameters format description
id string(optional) file name
If no file name is designated, the API will return the latest NAQU.

response

The XML is in conformity wtih the schema denoted below.

http://qz-vision.jaxa.jp/Schema/NAQU/1/01

usage

request

http://qz-vision.jaxa.jp/api/get/naqu?id=2010001

response

Custom DownloadArchive
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