Global Positioning System (GPS) e bapala karolo ea bohlokoa ho faneng ka lintlha tsa boemo, tsamaiso le nako (PNT) ho lik'hamphani le mekhatlo e fapaneng lefats'eng ka bophara, e sebelisang tlhahisoleseling ena ho etsa liqeto tsa ts'ebetso.
Boemo ba Backup ea GPS
Likhamphani tse tsetelang libilione tsa lidolara ho nts'etsapele likoloi tse itsamaisang, li-drone tse tsamaisang thepa, le litekesi tsa lifofane tsa litoropong li itšetlehile ka lintlha tse nepahetseng le tse tšepahalang tsa sebaka ho laola tšebetso ea tsona hantle. Leha ho le joalo, mohlala, le hoja data ea boemo ba GPS e ka fumana smartphone sebakeng sa 4.9 metres (16 feet), sebaka sena ha sea nepahala ka ho lekaneng bakeng sa indasteri ea likoloi tse itsamaisang. Likhamphani tse ikemetseng tsa likoloi li shebile ho nepahala ha sebaka ho fihla ho limilimithara tse 10, ka libaka tse kholo tse hlahisang mathata a bohlokoa a polokeho le ts'ebetso maemong a nnete a lefatše.
Ho tšeptjoa ha liindasteri tse fapaneng ho data ea GPS ho atile hoo ho sitisa kapa ho laola data kapa matšoao a GPS ho ka behang ts'ireletseho ea naha le moruo kotsing. United States (US), tsamaiso ea Trump e ile ea fana ka taelo ea phethahatso ka 2020 e ileng ea fa Lefapha la Khoebo matla a ho tsebahatsa litšokelo ho litsamaiso tse teng tsa US PNT le ho laela hore mekhoa ea theko ea 'muso e nahanele litšokelo tsena. Lefapha la Tšireletso ea Lehae la United States le lona le sebelisana 'moho le Setsi sa Tšireletso ea Cybersecurity le Infrastructure Security Agency e le hore marang-rang a naha a motlakase, litšebeletso tsa tšohanyetso le lisebelisoa tse ling tsa bohlokoa li se ke tsa itšetleha ka GPS ka ho feletseng.
Morero oa ho holisa ho fumaneha ha PNT ho feta GPS e bone TrustPoint, qalo e shebaneng le ho nts'etsapele sistimi ea sathelaete ea ho tsamaea lefatšeng ka bophara (GNSS) e thehiloeng ka 2020. E amohetse $ 2 milione ka lichelete tsa peo ka 2021. Xona Space Systems, e thehiloeng ka 2019 San Mateo, California, e ntse e phehella morero o tšoanang. TrustPoint le Xona li rera ho hlahisa lihlopha tsa linaleli tse nyane tsa satellite hore li tsamaee ka tsela e tlase ho fana ka lits'ebeletso tsa PNT tsa lefats'e ntle le li-GPS tse teng le lihlopha tsa linaleli tsa GNSS.
Tšusumetso e senyang
Ho hlaha ha mekhoa e fapaneng ea GNSS ho ka lebisa liindasteri tse itšetlehileng ka lintlha tsa PNT ho theha likamano tsa khoebo le bafani ba fapaneng, ho theha phapang ea 'maraka le tlhōlisano ka har'a liindasteri tsa PNT le GNSS. Ho ba teng ha litsamaiso tse fapaneng tsa GNSS ho ka hloka hore ho thehoe molaoli oa lefats'e kapa benchmark e le hore data e hlahisitsoeng ke litsamaiso tsa GNSS e ka netefatsoa khahlano le litekanyetso tsena.
Mebuso eo pele e neng e itšetlehile ka boitsebiso ba GPS e ka 'na ea nahana ka ho iketsetsa litsamaiso tsa eona tsa PNT (tse tšehelitsoeng ke meralo ea motheo ea GNSS) e le hore e ka rua molemo boitsebisong le boikemelong ba boitsebiso. Linaha li ka tsoela pele ho sebelisa mekhoa ea tsona e ncha ea PNT ho theha likamano le linaha tse ling tse batlang ho ikamahanya le libaka tse itseng tsa naha bakeng sa mabaka a sechaba, a lipolotiki kapa a moruo. Lik'hamphani tsa thekenoloji linaheng tse hlahisang mekhoa e ikemetseng ea PNT li ka fumana chelete e eketsehileng ho tsoa mebusong ea naha ka morero ona, ho matlafatsa kholo ea mesebetsi ka har'a liindasteri tsa puisano le thekenoloji.
Litlamorao tsa mahlale a macha a GPS a ntseng a ntlafatsoa
Litlamorao tse pharalletseng tsa data ea PNT e fanoang ho tsoa mehloling e fapaneng e ka kenyelletsa:
- Mebuso e iketsetsa mekhoa ea eona ea PNT bakeng sa merero e khethehileng ea sesole.
- Lichaba tse fapaneng li thibela lisathelaete tsa PNT ho tsoa linaheng tse hanyetsanang kapa li-blocs tsa libaka ho potoloha ka holim'a meeli ea tsona.
- Ho notlolla mesebetsi ea moruo ea boleng ba lidolara tse libilione joalo ka mahlale, joalo ka li-drones le likoloi tse ikemetseng, e tla ba e ts'epahalang le e sireletsehileng haholoanyane bakeng sa tšebeliso ea lits'ebetso tse ngata.
- Sistimi ea GNSS e tsamaeang ka tlase e fetoha mokhoa o ka sehloohong oa ho fihlella data ea PNT molemong oa ts'ebetso.
- Ho hlaha ha lifeme tsa cybersecurity tse fanang ka ts'ireletso ea data ea PNT joalo ka mohala oa litšebeletso tsa bareki.
- Lits'ebetso tse ncha tse qalang tse nkang monyetla ka marang-rang a macha a PNT ho theha lihlahisoa le lits'ebeletso tse ncha.
Lipotso tseo u ka fanang ka maikutlo ho tsona
- Na ho lokela ho theoa maemo a lefats'e a PNT, kapa lik'hamphani le linaha tse fapaneng li lokela ho lumelloa ho iketsetsa lits'ebetso tsa bona tsa data tsa PNT? Hobaneng?
- Litekanyetso tse fapaneng tsa PNT li ka ama ts'epo ea bareki joang lihlahisoa tse itšetlehileng ka data ea PNT?
