An item for the determination of the electrical wavelength or frequency being generated by an electronic equipment such as a radio transmitter. It may be placed in the radiation field of the equipment, thereby operating on the "absorption" principle, or connected into a transmission line or waveguide run between the equipment and a component such as an antenna, thereby operating on the tuned cavity resonance principle. It includes inscriptions from which the wavelength or frequency can be determined directly, or by reference to an associated calibration curve or tabulation. The wavemeter operates in accordance with its design function only when the equipment under measurement is operating. For items, such as grid dip meters, that determine the same information when the equipment under measurement is not operating, see frequency meter.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5985-01-216-7588
NSN 6320-01-440-4982
NSN 4140-00-523-0410
NSN 5998-00-183-6609
NSN 7035-01-633-9537
NSN 6145-01-252-0394
NSN 6145-01-432-4965
NSN 7035-01-495-2253
NSN 5996-01-285-1165
NSN 6620-01-299-4563
NSN 6645-00-216-6126
NSN 5950-00-269-4805