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National UFO Reporting Center Sighting Report
Occurred : 3/6/2013 01:00 (Entered as : 3/6/2013 01:00)
Reported: 3/6/2013 8:24:04 AM 08:24
Posted: 5/15/2013
Location: Duluth, GA
Shape: Unknown
Duration: 20 minutes
Characteristics: The object made a sound
Low to mid-pitched frequency sounds in middle of night from heavily clouded sky

Three low to mid-pitched frequency sounds lasting 10-15 seconds followed by 15 sec quiet, then another round of three 10-15 second low to mid-pitched frequency sounded again, followed by another 15 second of quiet. This "sound & quiet pattern" cycled for about 15 minutes. The noises sounded like electronic frequency sounds. My attempts to identify the location of the sound lead me outside. The sound seemed to be coming from the heavily clouded sky. This sound was eerie, almost like the frequency sound in the movie "Close Encounters," yet not as loud.