000			00895nam a2200253Ia 4500
003			HQRS
005			20180905232123.0
008			150617s2014 xx 000 0 eng d
040			_aHQRS _beng _cHQRS
041			_heng
110			_aNational Physical Laboratory
245			_aAdvanced courses on tropospheric propagation and antenna measurements
260			_aNew Delhi: _bNational Physical Laboratory, _c1972
300			_a388p.: _bill.; _c27cm.
500			_av. 3 Antenna measurements
650			_aTroposheric propagation _xMicrowave antennas _xTesting
650			_aTroposhere _xMicrowave antennas
650			_aAtmospheric layers
650			_aTropospheric radio wave propagation
650			_aAtmospheric radio refractivity _xCharts, diagrams, etc.,
650			_aTropospheric radio wave propagation _xCharts, diagrams, etc.,
365			_aINR _bComp.
942			_2udc _cBK
999			_c10633 _d10633