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Old 12-04-2019, 18:19   #16
FritzWue
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Strong signal, strange audio frequency response, u-shaped snr:
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File Type: png 9760-190412-1744-1756-DK6QI.png (36.7 KB, 50 views)
File Type: png 9760_190412_1748_DK6QI.png (24.5 KB, 44 views)
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Friedrich.....DK6QI.....52N 07E
https://www.qrz.com/db/dk6qi/
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Old 12-04-2019, 18:39   #17
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What is good for voice readability is not good for music,
two zipped mp3 samples for comparison attached:
Attached Files
File Type: zip 9760_190412_1756_DK6QI.zip (96.2 KB, 46 views)
File Type: zip 9760_190412_1753_DK6QI.zip (94.1 KB, 44 views)
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Friedrich.....DK6QI.....52N 07E
https://www.qrz.com/db/dk6qi/
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Old 12-04-2019, 22:40   #18
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, 10.20 dB max SNR.
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File Type: png 9760-190412-1700-1756-Zyg.png (32.8 KB, 39 views)
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3402' N, 8424' W
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Old 13-04-2019, 18:21   #19
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, about 6 dB max SNR.
Attached Images
File Type: png 9760-190413-1700-1756-Zyg.png (31.2 KB, 39 views)
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Old 13-04-2019, 19:28   #20
FritzWue
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Good reception without problems:
Attached Images
File Type: png 9760-190413-1743-1757-DK6QI.png (37.7 KB, 44 views)
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Friedrich.....DK6QI.....52N 07E
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Old 14-04-2019, 23:47   #21
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, 6.63 dB max SNR.
Attached Images
File Type: png 9760-190414-1700-1756-Zyg.png (29.1 KB, 40 views)
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Old 15-04-2019, 22:49   #22
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, about 7.5 dB max SNR.
Attached Images
File Type: png 9760-190415-1700-1756-Zyg.png (32.9 KB, 41 views)
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Old 17-04-2019, 04:13   #23
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, about 8.15 dB max SNR.
Attached Images
File Type: png 9760-190416-1700-1756-Zyg.png (33.7 KB, 38 views)
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Old 17-04-2019, 22:49   #24
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, 6.18 dB max SNR.
Attached Images
File Type: png 9760-190417-1700-1756-Zyg.png (29.3 KB, 39 views)
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Old 19-04-2019, 04:08   #25
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

No signal received.
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Old 20-04-2019, 23:00   #26
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, 7.65 dB max SNR.
Attached Images
File Type: png 9760-190420-1700-1757-Zyg.png (31.7 KB, 36 views)
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Old 21-04-2019, 18:09   #27
FritzWue
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Just a short report with good reception:
Attached Images
File Type: png 9760-190421-1747-1756-DK6QI.png (36.6 KB, 36 views)
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Friedrich.....DK6QI.....52N 07E
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Old 21-04-2019, 22:36   #28
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, 10.95 dB max SNR.
Attached Images
File Type: png 9760-190421-1700-1756-Zyg.png (33.7 KB, 29 views)
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Old 22-04-2019, 18:18   #29
FritzWue
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Strong signal, good reception, but the audio quality is bad.
Obviously there is a compressor and equalizer for AM speech optimization in front of the DRM modulator.
The result is absolutely negative, zipped MP3 audio sample attached.
Attached Images
File Type: png 9760-190422-1748-1757-DK6QI.png (36.1 KB, 29 views)
Attached Files
File Type: zip 9760_190422_1747_DK6QI.zip (89.4 KB, 30 views)
__________________
Friedrich.....DK6QI.....52N 07E
https://www.qrz.com/db/dk6qi/
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Old 22-04-2019, 22:54   #30
AF4MP
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RRI 9760 kHz Reception near Atlanta, Georgia, USA

This afternoon's reception - no audio decoded, 7.84 dB max SNR.
Attached Images
File Type: png 9760-190422-1700-1756-Zyg.png (32.4 KB, 28 views)
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