Choân-kiû Tēng-ūi Hē-thóng

Choân-kiû Tēng-ūi Hē-thóng (Hàn: 全球定位系統; Eng: Global Positioning System; GPS) sī Bí-kok Kok-hông-pō͘ gián-chè kap î-hō͘ ê tiong-kī-lī îⁿ-hêng kúi-tō ōe-chheⁿ tō-hâng hē-thóng. I ē-sái ūi tē-kiû piáu-bīn choa̍t-tōa-pō͘-hūn tē-khu (98%) thê-kiong chún-khak ê tēng-ūi chhek-sok kap koân-cheng-khak-tō͘ ê sî-kan piau-chún. Choân-kiû Tēng-ūi Hē-thóng ē-ēng boán-chiok ūi-tī choân-kiû jīm-hô só͘-chāi he̍k-chiá kīn-tē khong-kan ê kun-sū iōng-hō͘ liân-sòa cheng-khak-tek khak-tēng sam-ûi ūi-tì, jī-ûi ūn-tōng kap sî-kan ê su-iàu.

Choân-kiû Tēng-ūi Hē-thóng
(Global Positioning System (GPS))

Country/ies of origin	United States
Operator(s)	US Space Force
Type	Military, civilian
Status	Operational
Coverage	Global
Accuracy	500–30 cm (16–0.98 ft)
Constellation size
Total satellites	33
Satellites in orbit	31
First launch	1978 nî 2 goe̍h 22 ji̍t​ (1978-02-22)
Total launches	72
Orbital characteristics
Regime(s)	6x MEO planes
Orbital height	20,180 km (12,540 mi)

Tī thài-khong tiong ê GPS ōe-chheⁿ

Iân-sin oa̍t-tho̍k

• "NAVSTAR GPS User Equipment Introduction" (PDF). United States Coast Guard. September 1996. goân-loē-iông (PDF) tī 2013-10-21 hőng khó͘-pih. 2021-04-13 khòaⁿ--ê. 
• Parkinson; Spilker (1996). The global positioning system. American Institute of Aeronautics and Astronautics. ISBN 978-1-56347-106-3. 
• Jaizki Mendizabal; Roc Berenguer; Juan Melendez (2009). GPS and Galileo. McGraw Hill. ISBN 978-0-07-159869-9. 
• Nathaniel Bowditch (2002). The American Practical Navigator – Chapter 11 Satellite Navigation. United States government. 
• Global Positioning System Open Courseware from MIT, 2012
• Greg Milner (2016). Pinpoint: How GPS is Changing Technology, Culture, and Our Minds. W. W. Norton. ISBN 978-0-393-08912-7. 

Chham-oa̍t

• Pak-táu ōe-chheⁿ tō-hâng hē-thóng

Gōa-pō͘ liân-kiat

• FAA GPS FAQ
• GPS.gov – General public education website created by the U.S. Government