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Notch Filter

Gedas #70410 Hi Simon. Is there any way to manually set notch filters like in Uno? The auto find and zap feature is neat in Console but I find that during SAM mode it may be deteriorating the quality of weak audio I am trying to demodulate (even at very very low setting levels). TU 73 Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak.
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Siegfried Jackstien #70411 maybe the autonotch notches out the carrier (just thinking)?!?!? dg9bfc sigi Am 22.03.2023 um 17:26 schrieb Gedas: toggle quoted message Show quoted text Hi Simon. Is there any way to manually set notch filters like in Uno? The auto find and zap feature is neat in Console but I find that during SAM mode it may be deteriorating the quality of weak audio I am trying to demodulate (even at very very low setting levels). TU 73 Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak.
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Gedas #70412 exactly what I am fearing but I do not know if the notch is smart enough to stay away from the main carrier. Last night while listening to BBC-4 LW-AM I was trying with and w/o the notch to eliminate 3-4 nasty spurs in the passband and even with a setting of 1 or 2 the audio quality really drops. Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. On 3/22/2023 12:47 PM, Siegfried Jackstien wrote: toggle quoted message Show quoted text maybe the autonotch notches out the carrier (just thinking)?!?!? dg9bfc sigi Am 22.03.2023 um 17:26 schrieb Gedas: Hi Simon. Is there any way to manually set notch filters like in Uno? The auto find and zap feature is neat in Console but I find that during SAM mode it may be deteriorating the quality of weak audio I am trying to demodulate (even at very very low setting levels). TU 73 Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak.
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Simon Brown #70415 Sorry, no. Simon Brown https://g4eli.com https://sdr-radio.com toggle quoted message Show quoted text From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> on behalf of Gedas via groups.io <w8bya@...> Sent: 22 March 2023 16:26 To: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> Subject: [SDR-Radio] Notch Filter Hi Simon. Is there any way to manually set notch filters like in Uno? The auto find and zap feature is neat in Console but I find that during SAM mode it may be deteriorating the quality of weak audio I am trying to demodulate (even at very very low setting levels). TU 73 Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. -- - + - + - Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.
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Gedas #70419 Roger that. Do you know if the notch affects the main carrier in a AM or SAM mode? Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. On 3/22/2023 1:28 PM, Simon Brown wrote: toggle quoted message Show quoted text Sorry, no. Simon Brown https://g4eli.com https://sdr-radio.com From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> on behalf of Gedas via groups.io <w8bya@...> Sent: 22 March 2023 16:26 To: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> Subject: [SDR-Radio] Notch Filter Hi Simon. Is there any way to manually set notch filters like in Uno? The auto find and zap feature is neat in Console but I find that during SAM mode it may be deteriorating the quality of weak audio I am trying to demodulate (even at very very low setting levels). TU 73 Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. -- - + - + - Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.
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Simon Brown #70420 It works in the audio range. Simon Brown https://g4eli.com https://sdr-radio.com toggle quoted message Show quoted text From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> on behalf of Gedas via groups.io <w8bya@...> Sent: 22 March 2023 18:12 To: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> Subject: Re: [SDR-Radio] Notch Filter Roger that. Do you know if the notch affects the main carrier in a AM or SAM mode? Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. On 3/22/2023 1:28 PM, Simon Brown wrote: Sorry, no. Simon Brown https://g4eli.com https://sdr-radio.com From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> on behalf of Gedas via groups.io <w8bya@...> Sent: 22 March 2023 16:26 To: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> Subject: [SDR-Radio] Notch Filter Hi Simon. Is there any way to manually set notch filters like in Uno? The auto find and zap feature is neat in Console but I find that during SAM mode it may be deteriorating the quality of weak audio I am trying to demodulate (even at very very low setting levels). TU 73 Gedas, W8BYA EN70JT Gallery at http://w8bya.com Light travels faster than sound.... This is why some people appear bright until you hear them speak. -- - + - + - Please use https://forum.sdr-radio.com:4499/ when posting questions or problems. -- - + - + - Please use https://forum.sdr-radio.com:4499/ when posting questions or problems.
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