Q - Revision history

TimVK4YEH: added linjk to qrss page

2010-12-19T04:50:03Z

added linjk to qrss page

← Older revision		Revision as of 21:50, 18 December 2010
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	'''QSB''' : Fading (of signals). Used in signal reports eg "your signal is experiencing rapid QSB tonight"		'''QSB''' : Fading (of signals). Used in signal reports eg "your signal is experiencing rapid QSB tonight"

	'''QRSS''' : Very low speed operation - typically CW below one character per minute, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code\|QRS]], a code requesting "send more slowly".		'''[[Modes#QRSS_-_Slow_MorseQRSS \|QRSS]]''' : Very low speed operation - typically CW below one character per minute, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code\|QRS]], a code requesting "send more slowly".

	'''[[QSL]]''' : Confirmation of receipt of transmission		'''[[QSL]]''' : Confirmation of receipt of transmission

TimVK4YEH: added qsb

2010-11-09T09:20:45Z

added qsb

← Older revision		Revision as of 02:20, 9 November 2010
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	'''QPSK''' : Quadrature Phase Shift Keying. Also known as Quadraphase Phase Shift Keying. A method of modulating a carrier in digital transmissions by changing its phase four times, with each change being represented by two binary digits.		'''QPSK''' : Quadrature Phase Shift Keying. Also known as Quadraphase Phase Shift Keying. A method of modulating a carrier in digital transmissions by changing its phase four times, with each change being represented by two binary digits.

			'''QSB''' : Fading (of signals). Used in signal reports eg "your signal is experiencing rapid QSB tonight"

	'''QRSS''' : Very low speed operation - typically CW below one character per minute, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code\|QRS]], a code requesting "send more slowly".		'''QRSS''' : Very low speed operation - typically CW below one character per minute, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code\|QRS]], a code requesting "send more slowly".

TimVK4YEH: added qth and link to qth page

2010-11-08T09:39:03Z

added qth and link to qth page

← Older revision		Revision as of 02:39, 8 November 2010
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	'''[[QSL]]''' : Confirmation of receipt of transmission		'''[[QSL]]''' : Confirmation of receipt of transmission

			'''[[QTH]]''' : Home, home location, station location

	'''Quartz crystal''' : a crystal of ?silicon dioxide cut to vibrate at a particular [[Frequency Wavelength and Period \| frequency]] when an electric current is applied to it. Used in high stability [[Oscillator Design \| oscillators]]		'''Quartz crystal''' : a crystal of ?silicon dioxide cut to vibrate at a particular [[Frequency Wavelength and Period \| frequency]] when an electric current is applied to it. Used in high stability [[Oscillator Design \| oscillators]]

TimVK4YEH: added quartz crystal fixed link error

2009-11-18T03:34:15Z

added quartz crystal fixed link error

← Older revision		Revision as of 20:34, 17 November 2009
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	'''[[QSL]]''' : Confirmation of receipt of transmission		'''[[QSL]]''' : Confirmation of receipt of transmission

	'''Quartz crystal''' : a crystal of ?silicon dioxide cut to vibrate at a particular [[Frequency \| frequency]] when an electric current is applied to it. Used in high stability [[Oscillator Design \| oscillators]]		'''Quartz crystal''' : a crystal of ?silicon dioxide cut to vibrate at a particular [[Frequency Wavelength and Period \| frequency]] when an electric current is applied to it. Used in high stability [[Oscillator Design \| oscillators]]

TimVK4YEH: /* Q */

2009-11-18T03:32:38Z

← Older revision		Revision as of 20:32, 17 November 2009
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	'''[[QSL]]''' : Confirmation of receipt of transmission		'''[[QSL]]''' : Confirmation of receipt of transmission

			'''Quartz crystal''' : a crystal of ?silicon dioxide cut to vibrate at a particular [[Frequency \| frequency]] when an electric current is applied to it. Used in high stability [[Oscillator Design \| oscillators]]

TimVK4YEH: /* Q */

2009-07-07T18:19:30Z

← Older revision		Revision as of 11:19, 7 July 2009
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	'''[[QCWA]]''' : Quarter Century Wireless Association, a radioamateur club with local chapters in which membership is offered solely to operators who were first licensed twenty-five or more years ago.		'''[[QCWA]]''' : Quarter Century Wireless Association, a radioamateur club with local chapters in which membership is offered solely to operators who were first licensed twenty-five or more years ago.

	'''QRM''' : Man made noise. Can be used to indicate noise interfering with an amateur station or an amateur station interfering with other spectrum users.		'''[[QRM]]''' : Man made noise. Can be used to indicate noise interfering with an amateur station or an amateur station interfering with other spectrum users.

	'''QRN''' : Electromagnetic noise from natural sources interfering with amateur transmissions.		'''QRN''' : Electromagnetic noise from natural sources interfering with amateur transmissions.

TimVK4YEH: QAM

2009-06-30T10:06:20Z

QAM

← Older revision		Revision as of 03:06, 30 June 2009
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	==Q==		==Q==

			'''QAM''' : Quadrature Amplitude Modulation. A method that allows simultaneous frequency and amplitude modulation of a signal.

	'''[[Codes and Alphabets#Q Code \|Q Code]]''' Three letter codes used instead of sentences or phrases.		'''[[Codes and Alphabets#Q Code \|Q Code]]''' Three letter codes used instead of sentences or phrases.

Carlb: /* Q */

2009-06-12T22:32:53Z

← Older revision		Revision as of 15:32, 12 June 2009
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	'''QRN''' : Electromagnetic noise from natural sources interfering with amateur transmissions.		'''QRN''' : Electromagnetic noise from natural sources interfering with amateur transmissions.

	'''[[QRP]]''' : Low power operations - usually understood to mean power at or below 5 watts. From [[~~Q-code\|~~QRP]], a code requesting that a station reduce its transmitted power.		'''[[QRP]]''' : Low power operations - usually understood to mean power at or below 5 watts. From [[QRP]], a code requesting that a station reduce its transmitted power.

	'''QRPp''' : Very low power operation - at or below 1 Watt.		'''QRPp''' : Very low power operation - at or below 1 Watt.

Carlb: /* Q */

2009-06-12T22:31:57Z

← Older revision		Revision as of 15:31, 12 June 2009
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	'''QPSK''' : Quadrature Phase Shift Keying. Also known as Quadraphase Phase Shift Keying. A method of modulating a carrier in digital transmissions by changing its phase four times, with each change being represented by two binary digits.		'''QPSK''' : Quadrature Phase Shift Keying. Also known as Quadraphase Phase Shift Keying. A method of modulating a carrier in digital transmissions by changing its phase four times, with each change being represented by two binary digits.

	'''QRSS''' : Very low speed operation - typically CW below one character per ~~second~~, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code\|QRS]], a code requesting "send more slowly".		'''QRSS''' : Very low speed operation - typically CW below one character per minute, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code\|QRS]], a code requesting "send more slowly".

	'''[[QSL]]''' : Confirmation of receipt of transmission		'''[[QSL]]''' : Confirmation of receipt of transmission

Carlb: New page: {{glossary}} ''See also Codes and Alphabets#Q-Code'' ==Q== '''Q Code''' Three letter codes used instead of sentences or phrases. '''[[Q of a circuit...

2009-06-12T21:50:56Z

New page: {{glossary}} ''See also Codes and Alphabets#Q-Code'' ==Q== '''Q Code''' Three letter codes used instead of sentences or phrases. '''[[Q of a circuit...

New page

{{glossary}}

''See also [[Codes and Alphabets#Q-Code]]''

==Q==

'''[[Codes and Alphabets#Q Code |Q Code]]''' Three letter codes used instead of sentences or phrases.

'''[[Q of a circuit | Q of a circuit]]''' The quality factor of a resonant circuit - the ratio of stored power to dissipated power in the [[Reactance]] and [[Resistance]] of the circuit.

'''[[QCWA]]''' : Quarter Century Wireless Association, a radioamateur club with local chapters in which membership is offered solely to operators who were first licensed twenty-five or more years ago.

'''QRM''' : Man made noise. Can be used to indicate noise interfering with an amateur station or an amateur station interfering with other spectrum users.

'''QRN''' : Electromagnetic noise from natural sources interfering with amateur transmissions.

'''[[QRP]]''' : Low power operations - usually understood to mean power at or below 5 watts. From [[Q-code|QRP]], a code requesting that a station reduce its transmitted power.

'''QRPp''' : Very low power operation - at or below 1 Watt.

'''QPSK''' : Quadrature Phase Shift Keying. Also known as Quadraphase Phase Shift Keying. A method of modulating a carrier in digital transmissions by changing its phase four times, with each change being represented by two binary digits.

'''QRSS''' : Very low speed operation - typically CW below one character per second, intended for machine-assisted reception under extreme QRP or noisy/weak signal conditions. Bandwidth used is a small fraction of 1 Hz. From [[Q-code|QRS]], a code requesting "send more slowly".

'''[[QSL]]''' : Confirmation of receipt of transmission