Dictionary of Ham Radio Terms: Difference between revisions

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<table width="750" border="1" cellpadding="6">
{{glossary}}
  <tr>
    <td>[[Dictionary of Ham Radio Terms | A]] </td>
    <td>[[B]]</td>
    <td>[[C]]</td>
    <td>[[D]]</td>
    <td>[[E]]</td>
    <td>[[F]]</td>
    <td>[[G]]</td>
    <td>[[H]]</td>
    <td>[[I]]</td>
    <td>[[J]]</td>
    <td>[[K]]</td>
    <td>[[L]]</td>
    <td>[[M]]</td>
    <td>[[N]]</td>
    <td>[[O]]</td>
    <td>[[P]]</td>
    <td>[[Q]]</td>
    <td>[[R]]</td>
    <td>[[S]]</td>
    <td>[[T]]</td>
    <td>[[U]]</td>
    <td>[[V]]</td>
    <td>[[W]]</td>
    <td>[[X]]</td>
    <td>[[Y]]</td>
    <td>[[Z]]</td>
    <td>[[0 - 9]] </td>
  </tr>
</table>
 


Related wiki pages [[FAQ]]
Related wiki pages [[FAQ]]
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'''AC''' : Alternating Current
'''AC''' : Alternating Current


'''ADC''' : Analogue to Digital Converter. Also known as A/D and A-to-D. A device that samples an analogue wave and converts it inot a digital signal, in which a series of numbers id used to represent the amplitude of the original wave.
'''ADC''' : Analogue to Digital Converter. Also known as A/D and A-to-D. A device that samples an analogue wave and converts it into a digital signal, in which a series of numbers is used to represent the amplitude of the original wave.
 
'''[[ADIF]]''' : Amateur Data Interchange Format, a standard specification for format of exported logbook files.


'''Admittance''' : The reciprocal of [[Impedance |impedance]] of a component in a series or parallel tuned circuit.
'''Admittance''' : The reciprocal of [[Impedance |impedance]] of a component in a series or parallel tuned circuit.
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'''AFC''' : Automatic Frequency Control - used to prevent drift in FM receivers
'''AFC''' : Automatic Frequency Control - used to prevent drift in FM receivers
'''AFSK''' : Audio Frequency Shift Keying.


'''AGC''' : Automatic Gain Control - a feedback system to reduce fading by automatically adjusting gain
'''AGC''' : Automatic Gain Control - a feedback system to reduce fading by automatically adjusting gain
'''AGL''' : (Height) Above Ground Level, for antenna installations.


'''ALC''' : Automatic Level Control - a feedback system in the transmitter output amplifier used to prevent overload.
'''ALC''' : Automatic Level Control - a feedback system in the transmitter output amplifier used to prevent overload.
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'''AMSAT''' : The name for amateur radio [[Satellites |satellite]] organizations world-wide, but in particular the Radio Amateur Satellite Corporation.
'''AMSAT''' : The name for amateur radio [[Satellites |satellite]] organizations world-wide, but in particular the Radio Amateur Satellite Corporation.
'''AM''' : Amlpitude Modulation
'''Amplifier''' : A device that is used to increase voltage, current or power.
'''AMTOR''' : A specialised form of RTTY protocol. An acronym for AMateur Teleprinting Over Radio or AMateur Teletype over Radio.


'''Analog''' (also analogue): a continuously varying signal.
'''Analog''' (also analogue): a continuously varying signal.
'''ANC, ANR''' : Active noise control, active noise reduction. Also referred to as automatic noise cancellation or antinoise on some transceivers.


'''[[Antennas | Antenna]]''': a device to either radiate radio signals or to receive them from another station.
'''[[Antennas | Antenna]]''': a device to either radiate radio signals or to receive them from another station.
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'''Antenna Switch''' " A switch used to change the output of a transceiver from one [[Antennas | antenna]] to another.
'''Antenna Switch''' " A switch used to change the output of a transceiver from one [[Antennas | antenna]] to another.


'''Antenna Tuner''' : A device used to match the output [[Impedance | impedance]] of a transmitter to that of an antenna.
'''[[Antenna tuner | Antenna Tuner]]''' : A device used to match the output [[Impedance | impedance]] of a transmitter to that of an antenna.
 
'''Amplifier''' : A device that is used to increase voltage, current or power.


'''AMTOR''' : A specialised form of RTTY protocol. An acronym for AMateur Teleprinting Over Radio or AMateur Teletype over Radio.
'''Anti-VOX''' : Transceiver circuitry used in voice-operated (VOX) stations to prevent audio from the receiver's speaker from actuating the voice-operated transmitter.


'''[[APRS]]''' : Automatic Position Reporting System, Automated Packet Reporting System.
'''[[APRS]]''' : Automatic Position Reporting System, Automated Packet Reporting System.
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'''[[ARES]]''' : Amateur Radio Disaster Services, Amateur Radio Emergency Services  
'''[[ARES]]''' : Amateur Radio Disaster Services, Amateur Radio Emergency Services  


'''ARRL''' : The American Amateur Radio League [http://www.arrl.org/]- the national ham radio association for the USA
'''[[ARRL]]''' : The American Radio Relay League [http://www.arrl.org/]- the national ham radio association for the USA
 
'''[[ARISS]]''' : Amateur Radio on the International Space Station.  A program that allows schools, with the help of an amateur club, to contact the amateur station on board the International space station.


'''[http://www.ariss.org ARISS]''' : Amateur Radio on the International Space Station. A program that allows schools, with the help of an amateur club, to contact the amateur station on board the International space station.
'''ASL''' : '''A'''bove '''S'''ea '''L'''evel. Vertical height in metres or feet above sea level.


'''[[Attenuators | Attenuator]]''' : A resistive device to reduce the amplitude or power of a signal.
'''[[Attenuators | Attenuator]]''' : A resistive device to reduce the amplitude or power of a signal.
'''ATS''' : Automatic Transfer Switch, switches equipment to a backup power supply in event of power failure.


'''[[ATV]]''' : Amateur Television - "moving picture" ham TV transmissions.
'''[[ATV]]''' : Amateur Television - "moving picture" ham TV transmissions.


'''Az/El''' : used to describe an antenna rotator that can change both the '''Az'''imuth (horizontal) and the '''El'''evation (vertical) direction of the antenna.
'''Az/El''' : used to describe an antenna rotator that can change both the '''Az'''imuth (horizontal) and the '''E'''levation (vertical) direction of the antenna.
 
'''Azimuth''' : The horizontal direction (angle) measured clockwise from North.






{{operation}}
{{operation}}

Latest revision as of 00:54, 2 April 2011

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 - 9

Related wiki pages FAQ

When adding information to these pages, please link to other pages in the wiki wherever possible.


A

AC : Alternating Current

ADC : Analogue to Digital Converter. Also known as A/D and A-to-D. A device that samples an analogue wave and converts it into a digital signal, in which a series of numbers is used to represent the amplitude of the original wave.

ADIF : Amateur Data Interchange Format, a standard specification for format of exported logbook files.

Admittance : The reciprocal of impedance of a component in a series or parallel tuned circuit.

AF : Abbreviation for Audio Frequency. AF is in the range 20Hz to 20 000Hz

AFC : Automatic Frequency Control - used to prevent drift in FM receivers

AFSK : Audio Frequency Shift Keying.

AGC : Automatic Gain Control - a feedback system to reduce fading by automatically adjusting gain

AGL : (Height) Above Ground Level, for antenna installations.

ALC : Automatic Level Control - a feedback system in the transmitter output amplifier used to prevent overload.

Ampere :(A) The unit used for measurement of current. Usually abbreviated to Amps

Amplitude : the height of a wave from the average or median position.

AMSAT : The name for amateur radio satellite organizations world-wide, but in particular the Radio Amateur Satellite Corporation.

AM : Amlpitude Modulation

Amplifier : A device that is used to increase voltage, current or power.

AMTOR : A specialised form of RTTY protocol. An acronym for AMateur Teleprinting Over Radio or AMateur Teletype over Radio.

Analog (also analogue): a continuously varying signal.

ANC, ANR : Active noise control, active noise reduction. Also referred to as automatic noise cancellation or antinoise on some transceivers.

Antenna: a device to either radiate radio signals or to receive them from another station.

Antenna Switch " A switch used to change the output of a transceiver from one antenna to another.

Antenna Tuner : A device used to match the output impedance of a transmitter to that of an antenna.

Anti-VOX : Transceiver circuitry used in voice-operated (VOX) stations to prevent audio from the receiver's speaker from actuating the voice-operated transmitter.

APRS : Automatic Position Reporting System, Automated Packet Reporting System.

ARC : Amateur Radio Club (also ARA, ARS - Amateur Radio Association, Amateur Radio Society) - usually prefixed by the name of the community or region served

ARDF : Amateur Radio Direction Finding

ARES : Amateur Radio Disaster Services, Amateur Radio Emergency Services

ARRL : The American Radio Relay League [1]- the national ham radio association for the USA

ARISS : Amateur Radio on the International Space Station. A program that allows schools, with the help of an amateur club, to contact the amateur station on board the International space station.

ASL : Above Sea Level. Vertical height in metres or feet above sea level.

Attenuator : A resistive device to reduce the amplitude or power of a signal.

ATS : Automatic Transfer Switch, switches equipment to a backup power supply in event of power failure.

ATV : Amateur Television - "moving picture" ham TV transmissions.

Az/El : used to describe an antenna rotator that can change both the Azimuth (horizontal) and the Elevation (vertical) direction of the antenna.

Azimuth : The horizontal direction (angle) measured clockwise from North.


Operating procedures
Operation Callsigns and ITU prefixes * Codes and Alphabets * Modes * Morse code * Nets * UK licensing * Terminology
DX and Contesting Awards and Certificates * DXCC * DX cluster * Field day * Gridsquares * Logging * QSL and QSL Bureaus * Records - Distance
Emergencies Emergency Frequencies * ARES * IRESC * SATERN * Weather spotting
QRP Trail-Friendly Radio
Utilities Beacons (/B) and Time Beacons
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