'Ngosuku olucwathile, ungahlala ulibona ilanga
futhi ngalelo langa, awudingi ukulahlekelwa ngempela'
(Okwami)
'Ngobusuku obucwathile, awusoze walahlekelwa izinkanyezi,
futhi nabo awusoze walahleka ngempela'
(David Baldacci)
Ihabhu
Ngo-1946 uHarold Getty wabhala incwadi ethi 'The Raft Book'. Inhloso yakhe kwakuwukubhala imanuwali ye-'LifeBoat Navigation'. Imanuwali yonke imikhumbi ezoyiphatha ezikebheni zayo zokuhlenga. Leli bhukwana lizosiza amatilosi abe neshwa ukuthi ashiye umkhumbi athole indlela eya endaweni.
Indaba ingigqugquzele ukuthi ngidizayine uhlelo lokusebenza oluzotholwa yiwo wonke umuntu ongase abe sezimeni zamashwa ezifanayo, noma kulabo ababe neshwa, ngesizathu esithile, bangabi nayo i-GPS.
Nginqume ukuklama uhlelo lokusebenza ukuze lufake ezinye zezindlela abantu basePolynesia ababezisebenzisa kanye nokuklama indlela ethile yokuthola umhlaba ngaphandle kosizo lwe-sextant 'eyingcweti' noma i-GPS.
Okubaluleke kakhulu, uhlelo lokusebenza bekufanele lube wusizo kubantu abangenawo amakhono angempela afundwe ngaphambilini.
Lolu hlelo lokusebenza luchaza 'i-Harp', i-sextant ye-DIY.
Izibalo ezimbili ezilula zifakiwe zokuthola i-Latitude kanye ne-Longitude.
Futhi ezinye izibalo ezimbili zokuzulazula ku-Polynesia Way.
AmaNavigator asePolynesia ayeyazi kahle i-hemisphere yawo kangangokuthi ayehamba ngayo ngaphandle kwamathuluzi. Lolu hlelo lokusebenza luzothatha indawo yalolo lwazi. Okudingayo ucezu lwesikhathi olunembile, isb. ifoni yakho noma iwashi (lisethelwe ku-GMT)
Isibalo sokuqala 'yi-Starfinder', ethola futhi ihlonze izinkanyezi ezingu-58 ezisetshenziswa i-Nautical Almanac.
Isibalo sesibili yileso sephoyinti elincane lenkanyezi. I-Sub-point yezinkanyezi indawo ehlongozwayo ngokuqondile ngaphansi kwenkanyezi lapho inkanyezi iphezulu, ukuze Ukwehla kanye Nokwenyuka Kwesokudla kuhumushele ku-latitude nobude ngokulandelana.
Uma umuntu engenayo enye into angahamba ngayo, izinkanyezi newashi zingakunikeza induduzo yokuthi 'njengoba esho u-Baldacci' akufanele neze ulahleke ngempela.
Ngithemba ukuthi uzokujabulela lolu hlelo lokusebenza!
PS
Ngicabanga ukuthi ugcina umkhondo wesikhundla se-Dead Reckoning.
Ungathola i-Mercator App yami elula ku-Google Play (mahhala):https://play.google.com/store/apps/details?id=com.mercatorapp.mercatorapp
Kubuyekezwe ngo-
Aga 6, 2025