Big Bear Solar Observatory, Big Bear City, CA
http://www.bbso.njit.edu/
Mees Solar Observatory, Haleakala, Maui, HI
http://www.solar.ifa.hawaii.edu/mees.html
Mt. Wilson 60-Foot Solar Tower, Los Angeles, CA
http://physics1.usc.edu/solar/
Mt. Wilson 150-Foot Solar Tower, Los Angeles, CA
http://www.astro.ucla.edu/~obs/intro.html
Mauna Loa Solar Observatory, Hawaii, HI
http://mlso.hao.ucar.edu/
National Solar Observatory, Kitt Peak, Tucson, AZ
http://www.nso.noao.edu/nsokp/nsokp.html
Prairie View Solar Observatory, Houston, TX
http://www.pvamu.edu/cps/Solar.html
San Fernando Observatory, Sylmar, CA
http://davinci.csun.edu/~astro/sfo.html
Solar Robotic Telescope Observatory, Livermore, CA
http://sunmil1.uml.edu/eyes/index.html
Wilcox Solar Observatory, Stanford, CA
http://wso.stanford.edu/
Berkeley Illinois Maryland Association Millimeter Wave Radio Telescope Array, Hat Creek, CA
http://bima.astro.umd.edu/
Owen's Valley Solar Array of Radio Telescopes, Bishop, CA
http://ovsa.ovro.caltech.edu/