I do this, and have checked my logs and found evidence of several surveillance a...

		jjwiseman on May 7, 2015 \| parent \| context \| favorite \| on: Mysterious Planes Over Baltimore Spark Surveillanc... I do this, and have checked my logs and found evidence of several surveillance aircraft. See my comment below with more details (https://news.ycombinator.com/item?id=9508812).