OptionProbability
The signal has natural extraterrestrial origins
The signal has a bandwidth narrower than 10 kHz
The signal has artificial terrestrial origins
Signal has detectable modulation
The signal has a bandwidth wider than 10 kHz
Signal contains an encoded message
The signal has natural terrestrial origins
The signal uses a frequency in the waterhole region (1420 - 1662 MHz)
The signal has a frequency higher than 1662 MHz
Signal is detected by at least 3 different observatories
The signal has artificial extraterrestrial origins
The signal has a frequency lower than 1420 MHz
Signal contains an encoded message that uses the hashtag β#ChasingUFOsβ
79
57
52
46
44
43
38
35
34
22
16
12
Aries β
Gemini β
Cancer β
Leo β
Virgo β
Scorpio β
Capricorn β
Aquarius β
Pisces β
Taurus β
Libra β
Sagittarius β
9
8
7