Forgot the ping list again. Contents and note at reply #4.
http://www.onwar.com/chrono/1940/jul40/f29jul40.htm
Royal Navy stays out of Channel
Monday, July 29, 1940 www.onwar.com
In the English Channel... Another British destroyer is sunk and the whole eastern half of the Channel is placed out of bounds for Royal Navy destroyers in daylight. Minesweeping operations continue, however, ensuring that access can be gained if necessary.