C-QUAM - Revision history

Redhat at 20:05, 17 March 2021

2021-03-17T20:05:09Z

← Older revision		Revision as of 20:05, 17 March 2021
Line 1:		Line 1:
-	'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio that is compatible with monophonic [[AM]] receivers. Developed by Motorola in 1977, this technique was one of four systems proposed to allow commercial station in the United States and elsewhere to transmit stereo audio. Although never authorized for service on high frequency broadcast stations, some commercial equipment can be modified for such service. ~~Although rare, some~~ shortwave receivers did include C-QUAM decoding, notably the NRD-545. Today in the SDR age, there are software programs that can natively receive or decode stereo broadcasts. These include SoDiRa, ~~and~~ SdrDX.	+	'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio that is compatible with monophonic [[AM]] receivers. Developed by Motorola in 1977, this technique was one of four systems proposed to allow commercial station in the United States and elsewhere to transmit stereo audio. Although never authorized for service on high frequency broadcast stations, some commercial equipment can be modified for such service. Some shortwave receivers did include C-QUAM decoding, notably the NRD-545. Today in the SDR age, there are software programs that can natively receive or decode stereo broadcasts. These include SoDiRa, SdrDX, and as of March 2021, the KiwiSDR platform also supports two modes of C-QUAM decoding.

	[[Category: Transmission modes]]		[[Category: Transmission modes]]

Redhat at 08:47, 8 December 2020

2020-12-08T08:47:05Z

← Older revision		Revision as of 08:47, 8 December 2020
Line 1:		Line 1:
-	'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio ~~in a means~~ that is compatible with monophonic [[AM]] receivers. Developed by Motorola in 1977, this technique was one of four systems proposed to allow commercial station in the United States and elsewhere to transmit stereo audio. Although never authorized for service on high frequency broadcast stations, some commercial equipment can be modified for such service. Although rare, some shortwave receivers did include C-QUAM decoding, notably the NRD-545. Today in the SDR age, there are software programs that can natively receive or decode stereo broadcasts. These include SoDiRa, and SdrDX.	+	'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio that is compatible with monophonic [[AM]] receivers. Developed by Motorola in 1977, this technique was one of four systems proposed to allow commercial station in the United States and elsewhere to transmit stereo audio. Although never authorized for service on high frequency broadcast stations, some commercial equipment can be modified for such service. Although rare, some shortwave receivers did include C-QUAM decoding, notably the NRD-545. Today in the SDR age, there are software programs that can natively receive or decode stereo broadcasts. These include SoDiRa, and SdrDX.

	[[Category: Transmission modes]]		[[Category: Transmission modes]]

Redhat: Created page with "'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio in a means that is compatible with monophonic AM receivers. Developed..."

2020-12-08T07:18:03Z

Created page with "'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio in a means that is compatible with monophonic AM receivers. Developed..."

New page

'''Compatible Quadrature Amplitude Modulation (C-QUAM)''' is a means of transmitting stereophonic audio in a means that is compatible with monophonic [[AM]] receivers. Developed by Motorola in 1977, this technique was one of four systems proposed to allow commercial station in the United States and elsewhere to transmit stereo audio. Although never authorized for service on high frequency broadcast stations, some commercial equipment can be modified for such service. Although rare, some shortwave receivers did include C-QUAM decoding, notably the NRD-545. Today in the SDR age, there are software programs that can natively receive or decode stereo broadcasts. These include SoDiRa, and SdrDX.

[[Category: Transmission modes]]