Laga soo bilaabo 2012, raadiyaha gaarka ah ee GPS-ka wuxuu noqday horumarinta ugu horraysa ee warshadaha ugu horraysa iyo codsi leh nidaam ku dhexjira oo SMS si toos ah ugu jawaaba ciwaanka Shiinaha 30 ilbiriqsi gudahood. Waagii hore, farqiga u dhexeeya goob-joogayaasha, waxaad u baahan tahay inaad heshid isku-duwayaasha shayga, geli isku-duwayaasha khariidada Google, ka dibna baro ciwaanka Shiinaha. Baadhiyeyaasha SIM-ka iyo telefoonka gacanta ayaa si degdeg ah u heli kara.
Laga soo bilaabo 2012, goobta shakhsi ahaaneed ayaa gaadhay saxnaanta meelaynta ee 5-50 mitir, si dadka isticmaala ay si sax ah u ogaadaan meesha ay ku nool yihiin, oo ay ku dhejin karaan oo soo dejisan karaan xogta isku mar, iyada oo aan la isticmaalin khariidadaha isgaarsiinta dheeraadka ah ee shabakada hawlwadeenka wireless. GIS ee codsiyada ganacsiga bixiyaha.
Marka la barbar dhigo tignoolajiyada meelaynta GPS-ka saafiga ah, tignoolajiyada meelaynta Ariza waxay leedahay sifooyinka soo socda ee hagaajinta tignoolajiyada meelaynta GPS:
1) Saxnaanta sare: xaaladaha ka wanaagsan, saxnaanta meelaynta waxay gaari kartaa 5-50m.
2) Waqtiga meelaynta gaaban: kaliya dhowr ilbiriqsi ilaa tobanaan ilbiriqsi si loo dhamaystiro meelaynta.
Waqtiga boostada: Meey-11-2020
