Tandem Radio Amateurs Club (TRAC)

http://www.pdarrl.org/clubs/trac/

Houston Radio Teletype

http://www.stevens.com/ham/htty.html

South Texas Balloon Launch Team

http://www.stevens.com/BLT/home.html

Texas Coastal Amateur Packet Society

http://www.k5wh.net/~tcaps/

K5WH Personal Home Page

http://www.k5wh.net

HATS Houston Amateur Television Society

http://www.stevens.com/HATS/home.html

Northwest (Houston) Amateur Radio Society

http://www.w5nc.org/

American Radio Relay League

http://www.arrl.org/

KG5AI's frequency List

http://pages.tca.net/kg5ai/

Clear Lake Amateur Radio Club

http://www.clarc.org/

University of Houston Amateur Radio Club

http://wb5fnd.tech.uh.edu/

Johnson Space Center ARC

http://www.w5rrr.org

Texas DX Society

http://www.tdxs.org/

AMSAT

http://www.amsat.org/

Ilink

http://www.aacnet.net/

The Texas A&M University Amateur Radio Club

http://w5ac.tamu.edu/