The American Association of Marriage and Family Therapy (AAMFT) has suggested the following as potential signals of emotional distress which may benefit from professionaltherapy or counseling: (lutherancounseling.net)
This is because Kepler needs to see a planet pass in front of its star at least three times to rule out other potential signals and make a discovery. (newscientist.com)
Some customers may balk at the idea of having satellite TV because of potential signal loss during poor weather and because of having an ugly satellite receiver dish mounted to the house. (creditdonkey.com)