SURPLUS

http://www.pianetaradio.it/links/linkssurplus.htm

RF CIRCUIT DESIGN

http://ece.wpi.edu/books/EM_RF_lab/book.htm

LOW VOLTAGE TUBEs

http://www.junkbox.com/electronics/lowvoltagetubes.shtml

RICEVITORI A REAZIONE

http://www.radiomuseum.org/forum/project_a_simple_one_valve_regenerative_receiver.html

http://cool386.tripod.com/6c4/6c4.htm

http://www.ke3ij.com/am-univ.htm

RICEVITORI A REAZIONE

http://www.radiomuseum.org/forum/project_a_simple_one_valve_regenerative_receiver.html

VINTAGE RADIO KITs - TRASFORMATORI X VALVOLE

http://www.6v6.co.uk/cp/Scripts/default.asp

http://www.mikra.it/html/index2.php?link=

http://oldradio.sysvar.com/trasformatori.asp

FREQUENZE RADIO

http://web.mclink.it/MC4868/freq.htm

BLOG SU VDA !

http://dilia.splinder.com

CIRCUIT TODAY

http://www.circuitstoday.com

FREMODYNE RADIO

http://www.somerset.net/arm/fm_only_lowtech.html

http://cool386.tripod.com/fremodyne/fremodyne.html

http://cool386.tripod.com/ssfremo/ssfremo.html

COSTRUIRE UNA VALVOLA !!!

http://nbtimes.it/editoriali/541/autocostruire-una-valvola-il-passato-e-il-futuro-insieme.html

RADIO D'EPOCA/A CRISTALLO E ZINCITE !

Come riparare vecchie radio a valvole. Come costruire radio a galena ecc....

http://www.leradiodisophie.it/

La zincite: un transistor fatto in casa ?

http://home.earthlink.net/~lenyr/zincosc.htm

Detector a baffo di Gatto:

http://en.wikipedia.org/wiki/Cat's-whisker_detector

costruire una radio con detector a baffo di gatto

http://www.instructables.com/id/Build-an-antique-style-crystal-radio/step5/Making-the-Cats-Whisker-detector/

Minerali usati per la costruzione di detector

http://images.google.it/imgres?imgurl=http://www.crystalradio.net/minerals/Carborundum.JPG&imgrefurl=http://www.crystalradio.net/minerals/index.shtml&usg=__-nOwVjROMhGvs54r6epbW0l7jP0=&h=443&w=400&sz=48&hl=it&start=1&sig2=iiAAUQPH8tCQWHrMa-BkEg&um=1&itbs=1&tbnid=s8FkdxAPzGUK3M:&tbnh=127&tbnw=115&prev=/images%3Fq%3Dcarborundum%26um%3D1%26hl%3Dit%26sa%3DN%26tbs%3Disch:1&ei=o7yPS7XnDI_HsAbXysHiDw

Altri interessanti info !!!

http://sci-toys.com/scitoys/scitoys/radio/homemade_radio.html