"HF/DF"@cs . . . . . . "7"^^ . "HF/DF"@cs . "875385"^^ . "Huff-Duff"@cs . . . "High-frequency direction finding (HF/DF) byl vysokofrekven\u010Dn\u00ED sm\u011Brov\u00FD radiozam\u011B\u0159ova\u010D vyvinut\u00FD b\u011Bhem druh\u00E9 sv\u011Btov\u00E9 v\u00E1lky. P\u0159\u00EDstroj byl zn\u00E1m rovn\u011B\u017E pod p\u0159ezd\u00EDvkou Huff-Duff. Umo\u017E\u0148oval zam\u011B\u0159en\u00ED r\u00E1diov\u00E9ho vys\u00EDl\u00E1n\u00ED n\u011Bmeck\u00FDch ponorek z palub eskortn\u00EDch lod\u00ED."@cs . "2196"^^ . . . "High-frequency direction finding (HF/DF) byl vysokofrekven\u010Dn\u00ED sm\u011Brov\u00FD radiozam\u011B\u0159ova\u010D vyvinut\u00FD b\u011Bhem druh\u00E9 sv\u011Btov\u00E9 v\u00E1lky. P\u0159\u00EDstroj byl zn\u00E1m rovn\u011B\u017E pod p\u0159ezd\u00EDvkou Huff-Duff. Umo\u017E\u0148oval zam\u011B\u0159en\u00ED r\u00E1diov\u00E9ho vys\u00EDl\u00E1n\u00ED n\u011Bmeck\u00FDch ponorek z palub eskortn\u00EDch lod\u00ED. HF/DF je, spole\u010Dn\u011B s radarem a prolomen\u00EDm n\u011Bmeck\u00FDch \u0161ifer, \u0159azen mezi t\u0159i prim\u00E1rn\u00ED faktory, kter\u00E9 p\u0159isp\u011Bly k v\u00EDt\u011Bzstv\u00ED spojenc\u016F v bitv\u011B o Atlantik.N\u011Bmeck\u00E9 ponorky byly b\u011Bhem sv\u00FDch operac\u00ED proti spojeneck\u00FDm konvoj\u016Fm v \u010Dast\u00E9m r\u00E1diov\u00E9m styku s velitelstv\u00EDm, kter\u00E9 koordinovalo nasazen\u00ED ponorkov\u00FDch vl\u010D\u00EDch sme\u010Dek. Vyvinut\u00ED vysokofrekven\u010Dn\u00EDch sm\u011Brov\u00FDch p\u0159\u00EDstroj\u016F pro eskortn\u00ED lod\u011B jim umo\u017Enilo ur\u010Dit sm\u011Br a odhadnout vzd\u00E1lenost, ve kter\u00E9 se n\u011Bmeck\u00E9 ponorky nach\u00E1z\u00ED. Bylo pak mo\u017En\u00E9 ponorku napadnout \u010Di konvoj odklonit z nebezpe\u010Dn\u00E9 oblasti (stalo se tak nap\u0159\u00EDklad v bitv\u011B o konvoj HX-229). Britsk\u00E9 kr\u00E1lovsk\u00E9 n\u00E1mo\u0159nictvo proto do po\u010D\u00E1tku roku 1943 vybavilo syst\u00E9mem HF/DF v\u0161echny sv\u00E9 eskortn\u00ED lod\u011B."@cs . . "12723281"^^ . . . . "vysokofrekven\u010Dn\u00ED sm\u011Brov\u00FD radiozam\u011B\u0159ova\u010D"@cs . .