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VHF Data Link. The VHF Data Link or VHF Digital Link ( VDL) is a means of sending information between aircraft and ground stations (and in the case of VDL Mode 4, other aircraft). Aeronautical VHF data links use the band 117.975–137 MHz assigned by the International Telecommunication Union to Aeronautical mobile (R) service.
The following electrical connectors are commonly used in aviation headsets: [ 1] Type 671, also known as UK NATO or European NATO [ 7] 10H/18575, with a diameter of 7.57 mm (0.298 in). [ 8] NATO Stock Number 5935-99-946-6652. REDEL 6-pin connector by LEMO, known as "LEMO plugs". [ 10][ 1] Most Cirrus aircraft use this connector.
A convection heater, also known as a convector heater, is a type of heater that utilizes convection currents [ 1] to heat and circulate air. These currents move through the appliance and across its heating element, [ 2] using thermal conduction [ 3] to warm the air and decrease its density relative to colder air, causing it to rise.
Nearly 70 million square feet of office space, making up around 1.7% of the total U.S. supply, has been undergoing conversion projects to create residential-use spaces, or spaces for other uses ...
Mode 3/A is often combined with Mode C to provide altitude information as well. [2] C: Provides the aircraft's pressure altitude and is usually combined with Mode 3/A to provide a combination of a 4-digit octal code and altitude as Mode 3 A/C, often referred to as Mode A and C [2] 4: Provides a 3-pulse reply, delay is based on the encrypted ...
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A household infrared electric heater. An infrared heater or heat lamp is a heating appliance containing a high-temperature emitter that transfers energy to a cooler object through electromagnetic radiation. Depending on the temperature of the emitter, the wavelength of the peak of the infrared radiation ranges from 750 nm to 1 mm.
A positive-temperature-coefficient heating element (PTC heating element), or self-regulating heater, is an electrical resistance heater whose resistance increases significantly with temperature. The name self-regulating heater comes from the tendency of such heating elements to maintain a constant temperature when supplied by a given voltage ...