Today I learned that Solar Interference occurs twice a year with cable systems. It happens in the beginning of March, again in September. According the the Time Warner Website:
"Each Spring and Fall, cable companies experience a technical phenomenon called "sun outages." For a period of about 2 weeks, the sun causes "solar interference" to all geostationary satellite signals. As the sun's path across the sky gets lower each day, there are times when it is in a direct line behind a communication satellite that is sending signals to a receiving satellite dish here on earth. When the dish antenna is looking into the sun, the interference from the sun overrides the signals from the satellite. This is when a sun outage occurs.
Sun outages typically occur during the months of February/March and September/October and can last as long as 15 minutes a day and take place over a period of 15 days. This will normally occur during the afternoon hours of the day. The effects of a sun outage vary in degree from minimal to total outage throughout the 15 day period. Once it reaches its peak, the interference will gradually decrease becoming less noticeable each day after."
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