Glenn Hauser - World of Radio extras - DXLD archives to 1999
Don Moore - Latin American DX specialist
Paul Ormandy - NZ dxer
Radio Intel - Receiver and Reference info
2010-Egroups list
DX Links page - Huge collection of Station links
M.A.R.E. - The best radio listening club in the Great Lakes area.
Boston Area DX - see Antenna section
Interval Signals - Dave Kernick
Hard-Core-DX - note: disgusting censors of helpful information