GCHQ - Richard Aldrich - Google Books

http://books.google.de/books?id=l9i5bt1-7HYC&pg=PT483&dq=gchq+Bude&hl=de&sa=X&ei=IMkIUpzOGe3Q4QSDpIGACg&ved=0CDMQ6AEwAA#v=onepag

As we become ever-more aware of how our governments “eavesdrop” on our conversations, here is a gripping exploration of this unknown realm of the British secret service: Government Communication Headquarters (GCHQ). GCHQ is the successor to the famous…