isoasimath

oru nischitha binduvumaayi bandhappett prarambha orthodromic kozhs sthiramaayirikkunna bhoomiyude uparithalathile pooyintukalude sthaanamaanu isoasimathu.
athaayath, arambha pooyint "s" muthal nischitha pooyint "x" vareyulla prarambha orthodromic kozhs z 80 digri aanenkil, bandhapetta isoasimathu roopappedunnathu pooyint "x" maayi bandhappett prarambha orthodromic kozhs 80 digri (yadhaartha vadakku) ulla ellah pooyintukalum chernnaanu. isos (x, z)" enna notteshan upayogichaanu isoasimathu ezhuthiyirikkunnathu.
radio beekkan polulla ariyappedunna sthalathulla oru vasthuvumayi bandhappett naavigettu cheyyumbol isoasimathu upayogapradamaanu. asimat line oof position" ennu vilikkunna oru nerrekha oru bhoopadatthil varachirikkunnu, mikka saadhaarana mapp projakshanukalilum ithu isoaasimuthinodu valare aduthulla ekadesha kanakkanu. litro projectionil, kathidapaadukal krithyamaanu. eee rekhaye pinneedu sumner line ennu vilikkunna oru jyotishaasthra nireekshanatthiloode marikadakkukayum athinte phalam naavigettarude sthaanathekkurichu oru kanakk nalkukayum cheiyunnu.
golaakrithiyilulla bhoomiyile isoasimutal.
akshaamshatthinte kordinettukalude bhoomiyile oru nischitha binduvaaya "x" aayirikkatte soothravaakyam _ 1, rekhaamsha soothravaakyam _ 2. oru bhouma golaakrithiyilulla maathrkayil, pooyint s ("b", "l") vazhi kadannupokunna prarambha kozhs "c" ulla isoasimathu vakrathinte samavaakyam
soothravaakyam _ 3
oru nakshathratthinte isoasimutal.
eee saahacharyathil "x" pooyint nireekshicha nakshathratthinte prakasha dhruvamaan, "z" koonn athinte asimat aanu. oru asimuth "z" nuu keezhil nireekshikkappedunna kordinettukalulla ("deck, gha") oru nakshathratthinte "isoaasimuthal" vakrathinte samavaakyam-- idivu, greenwich manikkoor angle-ivayaanu
lha" ennathu praadeshika manikkoor konum akshaamsham "b", rekhamsham "l" ennivayulla ellah pooyintukalum vakrathe nirvachikkunnu.

