amateur radio astronomy

Also crossover with geophysical: http://www.1010.co.uk/org/geophysics.html

eg. magnetometers

http://www.kolumbus.fi/michael.fletcher/setilna.htm

http://www.iz1bpn.it/SETI/SETI_LNA.htm

http://g4ddk.com/

From VCR, TV or TV PC card.

http://www.mtmscientific.com/radiotelescope.html

http://www.zteck.com/scanner/tvastronomy.htm

http://hem.passagen.se/communication/tuner.html

http://hem.passagen.se/communication/supertuner.html

http://www.freelabs.com/~whitis/electronics/TV_tuners/

http://hem.passagen.se/communication/uv916rec.html

http://www.skyscan.ca/meteor_radio_detection.htm

constructing low frequency, cross-correlating, meridian transit radio interferometers: http://fringes.org/

Procedure for Making the Itty Bitty Radio Telescope: http://www.aoc.nrao.edu/epo/teachers/ittybitty/procedure.html

Yet Another Simple Interferometer (YASI): http://www.narrabri.atnf.csiro.au/~bro764/YASI.html

Ian Purdie's Amateur Radio Tutorial Pages: http://my.integritynet.com.au/purdic/radio-telescope.htm

Radio Jove: http://radiojove.gsfc.nasa.gov/rj_elab.htm

solar radio: http://www.monstein.de/astronomypublications/solar/SOLAR.htm