ground for its elevation), the "regional pressure setting". This value is used by pilots to calibrate the altimeter on board the
emhlabeni ukwenzela ukuba linyuswe), "kulungiselelo loxinzelelo lesithili". Eli xabiso lisetyenziswa ngabalathi-ndlela/ngabaqhubi benqwelo-moya ukwenzela ukulinganisa ububanzi bokuphakama komgangatho wenqwelo-moya phezu kolwandle,