"r" . "radiokomunika\u010Dn\u00ED slu\u017Ebou komunika\u010Dn\u00ED \u010Dinnost, kter\u00E1 spo\u010D\u00EDv\u00E1 v p\u0159enosu, vys\u00EDl\u00E1n\u00ED nebo p\u0159\u00EDjmu sign\u00E1l\u016F prost\u0159ednictv\u00EDm r\u00E1diov\u00FDch vln," . . "2/r" . . . .