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gptkb:Sulphur_Fire
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gptkb:Construction_Site
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gptkb:Electric_Shock
|
Outdoors
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gptkb:Music_Performance
|
Theaters
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gptkb:Music_Performance
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Clubs
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gptkb:Light_Snow
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temperatures below freezing
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gptkb:Sporadic_E_propagation
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VHF bands
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gptkb:Electric_Shock
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gptkb:Workplace
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gptkb:EarthQuake
|
fault lines
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gptkb:Sporadic_E_propagation
|
lower HF bands
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gptkb:EarthQuake
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tectonic plate boundaries
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gptkb:Music_Performance
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Concerts
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gptkb:Thunderstorm
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Any time of year
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gptkb:Sulphur_Fire
|
sulphur storage facility
|
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gptkb:Electric_Shock
|
gptkb:Home
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gptkb:Music_Performance
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Recitals
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gptkb:Sleep_Talking
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Any Age
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gptkb:Morning_Sickness
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Any time of day
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gptkb:Lahar
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Any volcano with loose volcanic material
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gptkb:Music_Performance
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Festivals
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gptkb:Electric_Shock
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Industrial Sites
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