From Signal Identification Wiki
Unknown 139.675 ![Screenshot 2024-08-28 184436.png](/images/thumb/0/08/Screenshot_2024-08-28_184436.png/150px-Screenshot_2024-08-28_184436.png) |
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Frequencies |
139.675 MHz |
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Frequency Range |
139.675 MHz - 139.675 MHz |
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Mode |
FM |
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Modulation |
Unk |
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ACF |
— |
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Emission Designator |
— |
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Bandwidth |
15 kHz |
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Location |
Philadelphia, PA |
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Short Description |
One beep, then alternates between 3, 4, or 5 beeps. Sounds like a beacon of some kind, but I can't find anything on it |
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I/Q Raw Recording |
— |
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Audio Sample |
|
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