Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!ucbvax!ulysses!smb From: smb@ulysses.homer.nj.att.com (Steven M. Bellovin) Newsgroups: sci.space.shuttle Subject: Re: Reentry blackout (was Re: Space Program-related acronyms) Keywords: plasma frequency Message-ID: <12025@ulysses.homer.nj.att.com> Date: 12 Aug 89 14:08:52 GMT References: <135@sdcc10.ucsd.EDU> <298@opus.NMSU.EDU> <1015@accuvax.nwu.edu> <1989Aug12.005558.6729@cs.rochester.edu> Organization: AT&T Bell Laboratories, Murray Hill Lines: 4 If you want some gross speculation, the plasma generated by the shuttle re-entries does not cover the top surfaces. Thus, it's not so much TDRSS that helps as the presence of a receiver above the plasma ball.