W4JE's
SpecWeb ®
SpecWeb® is your visual catalog of the radio spectrum. Click on a thumbnail to get more information on a particular signal.
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AM broadcast (hybrid analog/digital) |
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FM broadcast (hybrid analog/digital with standard partition) |
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| FM broadcast |
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FM broadcast (no modulation) |
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FM broadcast (detail of sidelobe structure) |
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| EDACS trunked radio control channel |
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| NOAA weather radio |
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Television broadcast (analog NTSC standard) |
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Air-ground telephone (control channel) |
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APCO 25 digital control channel (20 kHz span) |
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APCO 25 digital control channel (50 kHz span) |
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