I-Longitude kunye ne-latitude yinkqubo yokuququzelela eyakhiwe yi-longitude kunye ne-latitude, inkqubo yokuququzelela eyi-spherical esebenzisa i-sphere yeedigri ezintathu zesithuba ukuchaza indawo esemhlabeni, kwaye inokuphawula nayiphi na indawo esemhlabeni.
1. Ulwahlulo lwe-longitude: ukusuka kwi-prime meridian, ii-degrees ezili-180 empuma zibizwa ngokuba yi-east longitude, emelwe yi-"E", kwaye ii-degrees ezili-180 entshona yi-west longitude, emelwe yi-"W". 2. Ulwahlulo lwe-latitude: ii-degrees ezili-0 ukuya kwi-equator, ii-degrees ezingama-90 emantla nasezantsi, ukufundwa kwe-North and south yi-90 degrees, i-latitude emantla iboniswa yi-"N", kwaye i-latitude emazantsi iboniswa yi-"S". 3. Ukubhala yi-latitude yokuqala emva kwe-longitude, eyahlulwe yi-comma, efana ne-longitude kunye ne-latitude yokubhala yaseBeijing: ekubhalweni yi-40 degrees e-north latitude, ii-degrees ezili-116 empuma longitude; Kumanani noonobumba yi-: 40°N, 116°/E.