000			00636nam a2200241Ia 4500
001			5856
005			20250221145505.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a70965226
100			_aNagaraja, N S
245		0	_aElements of electronic navigation
260			_aNew Delhi
260			_bTata McGraw-Hill
260			_c1975
300			_aix, 139p.
500			_aIncludes bibliographical references and index
650			_aDistance measuring equipment (DME)
650			_aDoppler navigation
650			_aElectronic navigation
650			_aInertial navigation
650			_aRadio ranges
942			_cBK
999			_c21986 _d21986