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One of the most annoying 'features of Windows XP. However, it does produce the orgasmic feeling of telling Microsoft that there has been yet another problem with thier "operating" system
by IrishRepublicanArmy January 30, 2004
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Automatic Direction Finding System
a navagation system used by aircraft and sea-going ships. It consists of one or more ground stations that transmit a signal in the 225 to 500 kHz (.225 to .500 MHz) range. Because of the low-frequnecy of these signals, their range is very good and not limited by the line-of-sight range of the VOR system. The recevier in the airplane/boat uses a loop antenna to "home-in" on the station. There is also a long-wire receiving antenna installed on many aircraft. Most ADF receivers can also recieve the AM broadcast band (530 to 1710 kHz) so pilots can also home in on powerful broadcast stations.
ADF signals should not be used in thunderstorms because the high amount of electro-magnetic interferance that lightening causes.
Many pilots can't even use the ADF system, which is a shame, becuase of better systems such as VOR and the GPS systems.
or
Automatic Direction Finding System
a navagation system used by aircraft and sea-going ships. It consists of one or more ground stations that transmit a signal in the 225 to 500 kHz (.225 to .500 MHz) range. Because of the low-frequnecy of these signals, their range is very good and not limited by the line-of-sight range of the VOR system. The recevier in the airplane/boat uses a loop antenna to "home-in" on the station. There is also a long-wire receiving antenna installed on many aircraft. Most ADF receivers can also recieve the AM broadcast band (530 to 1710 kHz) so pilots can also home in on powerful broadcast stations.
ADF signals should not be used in thunderstorms because the high amount of electro-magnetic interferance that lightening causes.
Many pilots can't even use the ADF system, which is a shame, becuase of better systems such as VOR and the GPS systems.
by IrishRepublicanArmy October 21, 2003
Get the ADF mug.My DX-397 has an AFC.
by IrishrepublicanarmY January 1, 2004
Get the AFC mug.for more information about the NOVA area, look at theses definitions:
Fairfax County Public Schools
Virginia
NOVA
Chantilly High School
Fairfax High School
Fairfax County Public Schools
Virginia
NOVA
Chantilly High School
Fairfax High School
by IrishRepublicanArmy January 5, 2004
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Complex network of satellites that transmit signals to ground receviers in cars, boats, airplanes (see also VOR). The GPS receiver uses the signals from the satellites (which are over 15,000 miles away!) and uses them to find your location, anywhere in the world, with incredable accuracy.
Complex network of satellites that transmit signals to ground receviers in cars, boats, airplanes (see also VOR). The GPS receiver uses the signals from the satellites (which are over 15,000 miles away!) and uses them to find your location, anywhere in the world, with incredable accuracy.
by IrishRepublicanArmy October 15, 2003
Get the GPS mug.An organization formed at Fairfax High School. The Future Hobos of America (FHA) really doesn't do anything, except form more FHA groups at other schools and sit around doing nothing.
by IrishRepublicanArmy February 11, 2004
Get the Future Hobos of America mug.Emergency Locator Transmitter. The ELT is a small radio transmitter that is installed in an aircraft and is designed to being transmitting upon impact (the crash) or it can be manually switched on. The ELT transmits a distincive signal on the international emergency frequencies of 121.5 MHz (VHF) and 243.0 MHz (UHF). This signal is picked up by ground stations, search and resuce aircraft (see Civil Air Patrol and Coast Guard, and satelites. Direction-finding equipment is then used to "home-in" on the signal and locate the downed aircraft.
by IrishRepublicanArmy January 18, 2004
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