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Hammarlund HQ-120X
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Band
| MDS
| Blocking |
Two-tone D.R. |
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| (20 kHz)
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80 meters
| -135 dBm
| 107 dB
| 81 dB |
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40 meters
| -136 dBm
| 105 dB
| 76 dB |
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20 meters
| -135 dBm
| 104 dB
| 75 dB |
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AM Audio S/N: 54 dB
AM Audio Frequency Response:
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100 Hz
| 200 Hz
| 400 Hz
| 600 Hz
| 800 Hz
| 1 kHz
| 2 kHz
| 3 kHz
| 4 kHz
| 5 kHz
| 6 kHz
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-5 dB
| -1 dB
| 0 dB
| 0 dB
| 0 dB
| 0 dB
| -7 dB
| -18 dB
| -30 dB
| -42 dB
| -50 dB
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Mod%
| 100 Hz
| 200 Hz
| 400 Hz
| 600 Hz
| 800 Hz
| 1 kHz
| 2 kHz
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30%
| 3.5%
| 2.8%
| 3.2%
| 3.2%
| 3.2%
| 3.5%
| 1.4%
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50%
| 4.0%
| 4.0%
| 5.0%
| 5.0%
| 4.5%
| 4.0%
| 2.0%
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70%
| 7.9%
| 4.5%
| 4.0%
| 3.5%
| 3.5%
| 3.5%
| 3.2%
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90%
| 8.9%
| 5.6%
| 5.0%
| 4.0%
| 4.0%
| 4.0%
| 4.0%
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100%
| 8.9%
| 6.3%
| 5.6%
| 4.5%
| 4.5%
| 5.0%
| 5.0%
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Notes: Maximum i-f bandwidth is about 6 kHz @ -6 dB. Many thanks to Tom, WA3KLR for making this receiver available for testing.
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