FAA Warns of GPS issues in during testing

tekgoblin writes: The FAA has issued a warning that GPS may be unreliable or unavailable in certain areas in the Southeastern US during certain times. On January 20th and February 22nd the US Department of Defense will be running tests in the areas indicated in the source. They say they are going to be running GPS tests for periods of 45 minutes with 15 minutes of down time between testing.