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dual system, combining VHF-115 to 144 mhz and UHF-225 to 399.975 mhz with simultaneous operation as required, allowing one vhf channel and one uhf channel to be monitored at the same time; system provides air traffic control personnel with an accurate, visual indication of the azimuth bearing to aircraft transmitting on vhf or uhf radio; information can be utilized to identify aircraft on radar displays, and to assist pilots in navigation; vhf display control unit includes 12-pushbutton frequency channel selector switch; uhf display control unit employs a 24-position PRE-Programmable rotary channel selecector switch and a 7000-channel thumbwheel selector switch; both have led digital readout and led vector display
A collection of items, with the dual function of determining the coincidence of two or more signals and providing target triangulation data for use in radio direction finding operations.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Item does not contain precious metal.
No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.
Represents items with no adp components
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.
PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.
ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.
ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.
CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.