This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Beidoucoverage. Coverage of Chinese local positioning system en Beidou navigation system ChinaJapanSouthKoreatrilateralmeeting UTC ChinaJapanSouthKoreatrilateralmeeting Myouzke derivative work Kriplozoik talktalk beidousystemcoverage Japan and Korea grayed coverage of Beidou added kriplozoik ChinaJapanSouthKoreatrilateralmeeting