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...

system, and is the base of the International Civil Aviation Organization VHF Data Link Mode 4. While the method was patented, a US patent ex-parte reexamination...

an Air Traffic Services Unit (ATSU) and a VHF Data Link radio (VDR3) in the avionics rack and two data link control and display units (DCDUs) in the cockpit...

send data to a central location at the airport. This data is used to formulate a correction message, which is then transmitted to users via a VHF Data Link...

Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz),...

later the promise of DGPS, to provide additional correctional data via a VHF-Data-Link to improve reliability up to CAT-I level, most states opted to...

Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship...

between an air traffic controller and a pilot is voice radio, using either VHF bands for line-of-sight communication or HF bands for long-distance communication...

High Frequency Omnidirectional Range Station (VOR) is a type of short-range VHF radio navigation system for aircraft, enabling aircraft with a VOR receiver...

VCR visual control room VCS vehicle control service VDF VHF direction-finding VDL VHF Data Link VDP visual descent point Point in a direct approach where...

via satellite or VHF data-link (VDL) through the FlightAware website. This service requires data service with a participating data-link provider, and combines...

an HFDL data radio. The CMU is an airborne communications router that interfaces with many aircraft communications systems including SATCOM, VHF, HFDL,...

data is then preprocessed before linking them down to the ground either via VHF communication (ACARS) or via satellite link ASDAR. A detailed description...

The AN/PRC-160 Wideband HF/VHF Manpack Radio is a tactical HF/VHF manpack radio manufactured by L3Harris. The PRC-160 is the manpack HF radio for the Harris...

marine VHF radiotelephone tuned to the AIS frequencies and convert into a digital format that the computer can read and display on a monitor; this data may...

was performed by the flight crew using voice communication, using either VHF or HF voice radios. In many cases, the voice-relayed information involved...

voice and data communications over a 30 to 512+ MHz frequency range. It covers both Ultra High Frequency (UHF) and Very High Frequency (VHF) bands with...

LPC-10-52E (600/2400) MELP (600/2400), VHF: CVSD Data Link Layer Protocol (ARQ): STANAG 4538 (3G), pFED-STD-1052 Data: Wideband FSK (16 kbit/s) Voice Digitization:...

broadcasting uses the bands 41 – 88 MHz (VHF low band or Band I, carrying RF channels 1–6), 174 – 240 MHz, (VHF high band or Band III; carrying RF channels...

and data communications over a 30 to 512 MHz frequency range. It covers both line-of-sight Ultra High Frequency (UHF) and Very High Frequency (VHF) bands...

or Voice of Lebanon, a name used by two radio stations in Lebanon VHF Data Link Neutra VDL Studio and Residences Ursula von der Leyen, President of...

arrangement with VHF channels (initially) 1 to 13, and UHF channels (initially) numbered 14 to 83. Compared with an equivalent VHF television transmitter...

was adopted at a meeting of the IARU VHF Working Group in Maidenhead, England in 1980. Amateur radio contests on VHF and UHF are often scored based on the...

Montreal, Quebec, began experimenting with transmitting ASCII encoded data over VHF amateur radio frequencies using homebuilt equipment. In 1980, Doug Lockhart...

it ideal for certain applications requiring voice and/or data encryption. It is a portable VHF transceiver with coverage in the two-meter band (144–146...

pre-WWII allocation for VHF audio broadcasting; it was made obsolete after the introduction of FM broadcasting. Airband refers to VHF frequencies 108 to 137 MHz...

cover both VHF and UHF), and separate tuning controls on the television set. The VHF band is further divided into two frequency ranges: VHF low band (Band...

"European Standard EN 50067:1998: Specification of the radio data system (RDS) for VHF/FM sound broadcasting in the frequency range from 87,5 to 108...

real-world data on UHF and VHF television transmissions in several large cities. It predicts the total path loss for a point-to-point link. Typically...

KAKM shut down its analog signal, over VHF channel 7; the station's digital signal remained on its pre-transition VHF channel 8, using virtual channel 7....