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Wireless data link used by aviation
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
VHF_Data_Link
All-weather aircraft landing system
location at the airport. This data is used to formulate a correction message, which is then transmitted to users via a VHF data link (with a D8PSK modulation
Local-area augmentation system
Local-area_augmentation_system
Aircraft digital message communication system
the ACARS network. NOAA provides real-time weather maps. VHF Data Link High Frequency Data Link (HFDL) Acronyms and abbreviations in avionics Aeronautical
ACARS
Avionics system
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
Future_Air_Navigation_System
Air traffic control messaging system
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
Controller–pilot data link communications
Controller–pilot_data_link_communications
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
Self-organized time-division multiple access
Self-organized_time-division_multiple_access
Electromagnetic wave range of 30–300 MHz
Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 to 300 megahertz (MHz),
Very_high_frequency
Radios operating in the very high frequency maritime mobile band
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
Marine_VHF_radio
Guidance system for a landing aircraft
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
Instrument_landing_system
Software company based in Houston, Texas, US
via satellite or VHF data-link (VDL) through the FlightAware website. This service requires data service with a participating data-link provider, and combines
FlightAware
Communications medium for aircraft
an HFDL data radio. The CMU is an airborne communications router that interfaces with many aircraft communications systems including SATCOM, VHF, HFDL,
High_Frequency_Data_Link
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
List of aviation, avionics, aerospace and aeronautical abbreviations
List_of_aviation,_avionics,_aerospace_and_aeronautical_abbreviations
Aviation navigation system
high frequency omnidirectional range station (VOR) is a type of short-range VHF radio navigation system for aircraft, enabling aircraft with a VOR receiver
VHF_omnidirectional_range
US military wideband HF/VHF tactical radio
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
AN/PRC-160
Topics referred to by the same term
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
VDL
US military aircraft VHF/UHF/SATCOM radio
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
AN/ARC-210
Ultra high frequency radio to transmit TV
arrangement with VHF channels (initially) 1 to 13, and UHF channels (initially) numbered 14 to 83. Compared with an equivalent VHF television transmitter
UHF_television_broadcasting
Tracking system using transceivers on ships
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
Automatic identification system
Automatic_identification_system
US military dual-channel handheld radio
referred to by the U.S. Army as the Leader Radio. It is capable modes such as VHF/UHF Line-of-Sight (VULOS), SINCGARS, Soldier Radio Waveform, Tactical Scalable
AN/PRC-163
Radio frequencies used in civil aviation
of frequencies in the VHF radio spectrum allocated to radio communication in civil aviation, sometimes also referred to as VHF, or phonetically as "Victor"
Airband
American military radio system
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:
AN/PRC-150
Form of amateur radio data communications using the AX25 protocol
Montreal, Quebec, began experimenting with transmitting ASCII encoded data over VHF amateur radio frequencies using homebuilt equipment. In 1980, Doug Lockhart
Packet_radio
of commercial high frequency (HF), tactical HF and very high frequency (VHF) communications equipment. Its head office for design and manufacturing is
Barrett_Communications
data is then preprocessed before linking them down to the ground either via VHF communication (ACARS) or via satellite link ASDAR. A detailed description
Aircraft Meteorological Data Relay
Aircraft_Meteorological_Data_Relay
People maintaining air traffic systems
Telecommunication Network (ATN), Aeronautical Message Handling System (AMHS), VHF Data Link (VDL Mode 2), and emerging broadband systems such as L-band Digital
Air traffic safety electronics personnel
Air_traffic_safety_electronics_personnel
VHF band transceiver device
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 MHz)
Icom_IC-V82
US military aircraft software-defined VHF/UHF/SATCOM radio
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
AN/ARC-231
Geocode system used by radio amateurs
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
Maidenhead_Locator_System
Soviet early warning radar
referred to by the NATO reporting name "Spoon Rest D" in the west) is a 2D VHF radar developed and operated by the former Soviet Union. The P-18 early warning
P-18_radar
Software-defined radio
The AN/PRC-117 is a family of portable, tactical VHF/UHF/L-band software-defined voice and data communications combat-net radio, originally manufactured
AN/PRC-117
Atlantic Ocean air traffic control area
series of skips. VHF coverage, however, is normally limited to line-of-sight range. "Shanwick Radio" uses over twenty HF channels and two VHF channels. At
Shanwick_Oceanic_Control
Frequencies on the radio spectrum used by television broadcasters in the Americas
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
Pan-American television frequencies
Pan-American_television_frequencies
Reserved part of radio spectrum
also occasionally occur on the low band VHF frequencies of 6 or 4 metres, and very rarely on 2 metres (high band VHF) during extreme peaks in the 11 year
Amateur radio frequency allocations
Amateur_radio_frequency_allocations
Communications protocol standard in FM radio broadcasts
"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
Radio_Data_System
arrangement: the ABC operating in the VHF low band (VHF Ch 2), and the commercial stations operating in the VHF high band (VHF Ch 7 & 9). At the outset, commercial
Australian and New Zealand television frequencies
Australian_and_New_Zealand_television_frequencies
Communications protocol
paging. The VHF (152/157-158 MHz) and UHF (454/459 MHz) frequencies are often used for a mixture of paging and land mobile communications. The VHF low band
POCSAG
Digital voice and data protocol specification for amateur radio
repeater system in the U.S. D-STAR transfers both voice and data via digital encoding over the 2 m (VHF), 70 cm (UHF), and 23 cm (1.3 GHz) amateur radio bands
D-STAR
Soviet cold-war early warning radar
The P-14 (also referred to by the NATO reporting name "Tall King") is a 2D VHF radar that was developed and operated by the Soviet Union. The design of
P-14_radar
625-line analog television transmission format
Croatia, Malta, Slovenia, and Liberia on UHF bands, paired with System B on VHF. It was associated with PAL colour. Some of the important specs are listed
CCIR_System_H
Group of radio services
data, 1 watt, 5 channels, 6.25 kHz spacing 351.20000–351.38125 MHz, digital voice and data, 5 watts, 30 channels, 6.25 kHz spacing 142 & 146 MHz VHF-Digital
Personal_radio_service
3–30 MHz range of the electromagnetic spectrum
the next band of higher frequencies is known as the very high frequency (VHF) band. The HF band is a major part of the shortwave band of frequencies,
High_frequency
Amateur radio transceiver
The ICOM IC-7100 is a multimode HF/VHF/UHF mobile amateur radio transceiver. The IC-7100 has support for a wide variety of commonly used amateur radio
ICOM_IC-7100
Television station in Anchorage, Alaska
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.
KAKM
Tables of radio frequencies assigned to television channels
frequencies are divided in two part of the spectrum; the Very high frequency or "VHF" band and the Ultra high frequency or "UHF" band. During World War II, the
Television channel frequencies
Television_channel_frequencies
Open source amateur radio mode
radio community. M17 is primarily designed for voice communications on the VHF amateur radio bands, and above. The project received grants from the Amateur
M17_(amateur_radio)
Weather radio network in the United States
known as NOAA Weather Radio All Hazards, is an automated 24-hour network of VHF FM weather radio stations in the United States which broadcast weather information
NOAA_Weather_Radio
Wireless network standard
February 2014, that allows WLAN operation in TV white space spectrum in the VHF and UHF bands between 54 and 790 MHz. It uses cognitive radio technology
IEEE_802.11
Radio Communications System
radio units, operating in the High Frequency (HF), Very High Frequency (VHF) and the Ultra High Frequency (UHF) Radio Bands. Models were designated "UK/PRC"
Clansman_(military_radio)
data sheet" (PDF). R.C.A. Manufacturing Company, Harrison, New Jersey, USA. p. 368. Retrieved 8 December 2013. "6HG8/ECF86 Color television type VHF oscillator
List of Mullard–Philips vacuum tubes
List_of_Mullard–Philips_vacuum_tubes
Behaviour of travelling radio waves
tropospheric scattering (troposcatter), tropospheric ducting (ducting) at VHF frequencies and near vertical incidence skywave (NVIS) which are used when
Radio_propagation
Topics referred to by the same term
for: VHF Direction Finder Venda Defence Force Virginia Defense Force Visual DataFlex a Fourth-generation programming language now known simply as DataFlex
VDF
Error-detecting code for detecting data changes
2012. Rehmann, Albert; Mestre, José D. (February 1995). "Air Ground Data Link VHF Airline Communications and Reporting System (ACARS) Preliminary Test
Cyclic_redundancy_check
Artificial satellite that relays radio signals
spaceborne repeaters, and are generally accessed by amateurs equipped with UHF or VHF radio equipment and highly directional antennas such as Yagis or dish antennas
Communications_satellite
Transmission of information via microwaves
between the two points. The link was often bidirectional, using a transmitter and receiver at each end to transmit data in both directions. The requirement
Microwave_transmission
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
Egli_model
Television station in Bismarck, North Dakota
Minot. In February 1953, Rudman changed his application to specify the other VHF channel in the city, channel 12, clearing the way for both groups to be granted
KFYR-TV
Station Radio C45 – VHF transceiver, 23 to 38 MHz. Clansman Bowman (communications system) Personal Role Radio High-capacity data radio Radio portal Army
List of British Army radio sets
List_of_British_Army_radio_sets
City in California, United States
Commission (FCC) licensed seven television stations in Los Angeles, two VHF channels were available for San Diego because of its relative proximity to
San_Diego
625-line analog television transmission format
broadcast television system used in countries that adopted CCIR System D on VHF, and in Benin, Guinea, Republic of the Congo, Togo, Senegal, Burkina Faso
CCIR_System_K
Radio station in Havana, Cuba, Cuba
network of transmitters broadcast throughout Cuba on medium wave (AM) and VHF (FM). The main frequencies in Havana are 94.1 MHz (FM) and 1260 kHz (AM)
Radio_Enciclopedia
on CW CT590 S (Analog VHF/UHF) CT990 EB (Analog VHF/UHF) CT 2000 (Analog VHF/UHF) CT 3000 (Analog VHF/UHF) DBR 2500 (Analog VHF/UHF) Racal Cougar PRM-4515H
List of amateur radio transceivers
List_of_amateur_radio_transceivers
Television station in Louisville, Kentucky
station first signed on the air on March 27, 1950. Originally broadcasting on VHF channel 9, it was the second television station to sign on in the Louisville
WHAS-TV
Data communications modulation protocol
control) applications over VHF and UHF voice channels. D.A.R.T (Distributed 4-AFSK Radio Telemetry) was developed for VHF & UHF amateur radio frequencies
Multiple frequency-shift keying
Multiple_frequency-shift_keying
Electronic flight instrument system
aggregator for the G1000 system. It provides a two-way VHF communications transceiver, a VHF navigation receiver with glideslope, a GPS receiver, and
Garmin_G1000
Modem standard developed by Bell System in 1976
standard for amateur VHF operation in most areas. Automatic Packet Reporting System (APRS) transmissions are encoded this way on VHF. On HF, APRS uses Bell
Bell_202
2009 aircraft accident in the Atlantic Ocean
Addressing and Reporting System (ACARS), which enables them to transmit data messages via VHF or satellite.[citation needed] ACARS can be used by the aircraft's
Air_France_Flight_447
Russian military radar system
beginning, Nebo-M represented a modification and modernization of the older VHF band based Nebo SVU, L-band Protivnik G, and S/X-band Gamma S1 radars on
Nebo-M
Early mobile telephone standard
Improved Mobile Telephone Service (IMTS) was a pre-cellular VHF/UHF radio system which linked to the public telephone network. IMTS was the radiotelephone
Improved Mobile Telephone Service
Improved_Mobile_Telephone_Service
2009 switchover from analog to digital TV broadcasting
that is interpreted as data. Raycom Media Chief Technology Officer Dave Folsom said, "There's nothing inherently wrong with VHF. It's just easier to have
Digital television transition in the United States
Digital_television_transition_in_the_United_States
Tracking and communication system developed by NASA and JPL
command, and downlink voice and telemetry data were sent via ultra high frequency (UHF) and very high frequency (VHF) systems. The tracking capability was
Unified_S-band
Electromagnetic spectrum, 3 Hz – 3000 GHz
which limits the data rate that can be transmitted. Below about 30 kHz, audio modulation is impractical and only slow baud rate data communication is
Radio_spectrum
Signal-to-noise and distortion ratio
footnotes of this article. A typical example, quoted from a commercial hand held VHF or UHF radio, might be: Receiver sensitivity: 0.25 μV at 12 dB SINAD. This
SNDR
system, intended to deliver images and data from an orbital weather satellite directly to end users via a VHF radio signal. It is used aboard polar-orbiting
Low-rate_picture_transmission
Physical or logical connection used for transmission of information
allocated by international agreement, for example: Marine VHF radio uses some 88 channels in the VHF band for two-way FM voice communication. Channel 16, for
Communication_channel
Radio equipment manufacturer
compatible with Motorola and SmarTrunk trunking systems. The Icom IC-V82 is a VHF handheld transceiver with coverage in the two-meter band (144–146 MHz) and
Icom_Incorporated
Tactical data link system
NATO standard Link-16 system an indigenous system was developed. Link-ZA is a multi-platform secure network protocol operating over HF, VHF or UHF radio
Link-ZA
Television station in Macon, Georgia
unsuccessful bid for the VHF channel 7 allocation one year earlier in 1952. The new station was one of the most powerful VHF stations in the country,
WMAZ-TV
Expendable sonar system dropped/ejected from aircraft or ships
pattern. The buoy relays acoustic information from its hydrophone(s) via UHF/VHF radio to operators on board the aircraft. With the technological improvement
Sonobuoy
Television station in Anchorage, Alaska
the network affiliation it had sought. In March 1971, the FCC prevented a VHF station from holding two or more network affiliations in a market with three
KYUR
Method of communicating with microwave radio signals over considerable distances
Communications Commission (FCC) arranged frequency allocations for the new VHF and UHF channels to avoid interference between stations. To everyone's surprise
Tropospheric_scatter
Brevity code for NATO communications
WEST TRAIL GROUP.[A/A] [AIR-MAR] VICTOR Very high-frequency (also known as VHF) / amplitude modulation (also known as AM) radio. VISUAL Sighting of a FRIENDLY
Multi-service tactical brevity code
Multi-service_tactical_brevity_code
aircraft, cutters, boats, and shore stations on VHF, MF, and HF frequencies, including the HF Data Link encrypted e-mail system and Digital Selective Calling
List of United States Coast Guard radio stations
List_of_United_States_Coast_Guard_radio_stations
Radio communication system implemented in software
with ground force radios (frequency-agile VHF, FM, and SINCGARS), Air Force radios (VHF AM), Naval Radios (VHF AM and HF SSB teleprinters) and satellites
Software-defined_radio
Radio beacon used in amateur radio
beacons use amateur radio frequencies. They can be found on LF, MF, HF, VHF, UHF, and microwave frequencies. Microwave beacons are also used as signal
Amateur radio propagation beacon
Amateur_radio_propagation_beacon
Small radios carried to facilitate rescue in an emergency
For emergencies involving civilian aircraft, the radio frequency used is VHF 121.5 MHz and for military aircraft incidents, the frequency used is UHF
Survival_radio
Non-commercial use of the radio spectrum
shortwave bands, or HF, are suitable for worldwide communication, and the VHF and UHF bands normally provide local or regional communication, while the
Amateur_radio
Television station in Binghamton, New York
broadcast television, there were twelve VHF channels available and 69 UHF channels (later reduced to 55 in 1983). The VHF bands were more desirable because
WBNG-TV
Television station in Duluth, Minnesota
its analog signal, over VHF channel 10; the station's digital signal relocated from its pre-transition UHF channel 43 to VHF channel 10. WIRT ended regular
WDIO-DT
Air base of the South African Air Force in Bloemfontein
BL380.0 VHF omnidirectional range - BLV114.1 Automatic Terminal Information Service - 126.45 "Airport information for FABL". World Aero Data. Archived
Air_Force_Base_Bloemspruit
6Zh1P-EV (Russian: 6Ж1П-ЕВ) respectively. Even though primarily intended for VHF amplification, the tube has found some use in audio applications as a microphone
6AK5
US military surveillance aircraft
forces on the ground, or to command centers, this includes 13 radios for UHF, VHF, Satcom and VoIP audio communications and the ability to broadcast full motion
Pilatus_U-28_Draco
Domestic cat with black fur
early days of television in the United States, many stations located on VHF channel 13 used a black cat as a mascot in order to make sport of being located
Black_cat
Wireless telecommunications device
include the 400 MHz band, the VHF band and the FM commercial broadcast band (88–108&MHz). Other paging protocols used in the VHF, 400 MHz UHF and 900 MHz bands
Pager
Worldwide emergency communication system for ships at sea
requires that all new VHF and MF/HF maritime radiotelephones type accepted after June 1999 have at least a basic DSC capability. VHF digital selective calling
Global Maritime Distress and Safety System
Global_Maritime_Distress_and_Safety_System
American weather dissemination service
Internet. Local VHF/UHF radio rebroadcasts and older-generation EMWIN satellite systems operate at the speeds of 1200 and 9600 baud. EMWIN data consists of
EMWIN
Armored transporter
monitoring stations that operate in the 30 to 100 MHz band, and two R-381T1 VHF radio monitoring stations operating across 1.5 to 30 MHz, and which are able
MT-LBu
Specialized radio receiver for weather forecasts
attack. They generally broadcast in a pre-allocated very high frequency (VHF) range using FM. Usually a radio scanner or a dedicated weather radio receiver
Weather_radio
Amateur radio transceiver
The ICOM IC-705 is a multimode HF/VHF/UHF portable amateur radio transceiver. The radio has 5 watts of output when using its internal battery and 10 watts
ICOM_IC-705
Geopolitical and economic crisis
US and Israeli strikes on 28 February, the IRGC transmitted warnings via VHF radio to vessels in the strait, stating that no ships would be permitted
2026_Strait_of_Hormuz_crisis
Proposed US military radio system
Networking Waveform (WNW) (under development) Link-4A, -11B, - 16, -22/TADIL tactical data links, 960-1215 MHz+ VHF-AM civilian Air Traffic Control, 108-137 MHz
Joint_Tactical_Radio_System
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VHF DATA-LINK
VHF DATA-LINK
Female
Polish
 Variant spelling of Polish Dyta, DITA means "rich battle." Compare with another form of Dita.
Female
Polish
Short form of Polish Edyta, DYTA means "rich battle."
Male
Turkish
Turkish name ATA means "ancestor."
Girl/Female
Hindu
A creeper
Male
English
English surname transferred to unisex forename use, possibly DANA means "from Denmark."
Female
Slavic
 Short form of Slavic Bogdana, DANA means "gift from God." Compare with other forms of Dana.
Female
Finnish
Variant form of Finnish Aada, AATA means "noble."
Female
Hebrew
(דִּיתָה) Pet form of Hebrew Yehuwdiyth, DITA means "Jewess" or "praised." Compare with another form of Dita.
Male
Irish
 From Irish Gaelic Mac Dara, DARA means "son of oak." Compare with other forms of Dara.
Male
Irish
Irish Gaelic name MAC DARA means "son of oak." This is the name of a patron saint and is still common in Ireland, especially in Connemara.
Male
Hebrew
Variant spelling of Hebrew Dathan, DATAN means "belonging to a fountain."
Female
English
 Middle English name DARA means "brave, daring." Compare with another form of Dara.
Female
Hebrew
(×“Ö¼Ö¸× Ö¸×”) Feminine form of Hebrew Dan, DANA means "judge." Compare with other forms of Dana.
Male
Iranian/Persian
 Short form of Persian Dârayavahush, DARA means "possesses a lot, wealthy." Compare with other forms of Dara.
Female
Finnish
 Short form of Finnish Katariina, KATA means "pure." Compare with other forms of Kata.
Female
Hungarian
 Short form of Hungarian Katalin, KATA means "pure." Compare with other forms of Kata.
Female
English
 English surname transferred to unisex forename use, possibly DANA means "from Denmark." Compare with other forms of Dana.
Female
Russian
 Short form of Russian Yekaterina, KATA means "pure." Compare with other forms of Kata.
Female
Hindi/Indian
(लता) Hindi name derived from a plant name, from the Sanskrit word lata, LATA means "creeper," in reference to a creeping plant.
Male
Hebrew
(דֶּרַע) Hebrew name DARA means "the arm." In the bible, this is the name of a son of Zerah. Compare with other forms of Dara.
VHF DATA-LINK
VHF DATA-LINK
VHF DATA-LINK
VHF DATA-LINK
VHF DATA-LINK
VHF DATA-LINK
VHF DATA-LINK
n.
The fruit of the date palm; also, the date palm itself.
v. t.
To note the time of writing or executing; to express in an instrument the time of its execution; as, to date a letter, a bond, a deed, or a charter.
n.
A New Zealand forest tree (Metrosideros robusta), also, its hard dark red wood, used by the Maoris for paddles and war clubs.
a.
Without date; having no fixed time.
n.
Death; decease; the date of one's death.
n. pl.
See Datum.
a.
Erroneous in date; containing an anachronism.
a.
Being out of date; antiquated.
v. t.
To note or fix the time of, as of an event; to give the date of; as, to date the building of the pyramids.
n.
Assigned end; conclusion.
v. i.
To have beginning; to begin; to be dated or reckoned; -- with from.
imp. & p. p.
of Date
pl.
of Datum
p. pr. & vb. n.
of Date
n.
The point of time at which a transaction or event takes place, or is appointed to take place; a given point of time; epoch; as, the date of a battle.
v. t.
To date erroneously.
n.
That addition to a writing, inscription, coin, etc., which specifies the time (as day, month, and year) when the writing or inscription was given, or executed, or made; as, the date of a letter, of a will, of a deed, of a coin. etc.
n.
Prior date; a date antecedent to another which is the actual date.
n.
Given or assigned length of life; dyration.
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