000 00593nam a2200169Ia 4500
003 IN-MuIIG
008 231010s9999 xx 000 0 und d
020 _a1125529334
040 _cIIG Library
080 _a551.510.535.4(063)
_bNAV
110 _aNaval Research Laboratory
245 4 _aThe effect of the ionosphere on communication, navigation and surveillance systems
_b2 volumes
260 _aWashington, D. C.
_bNaval Research Laboratory
_c1987
300 _a724p.
_bfigs; refs; tables
650 _aIonosphereIonosphere On CommunicationIonosphere On NavigationProceedings
942 _cBK
999 _c14650
_d14650