RadioShack / Amidon Associates / US West / GTE / Phoseon Technology / / /
Facility
Portland State University / /
IndustryTerm
model tone access pad telephone / telephone handset / telephone receiver elements / telephone receiver / maximum energy transfer / long metal screw / energy / showing a GTE telephone handset / /
NaturalFeature
West Coast / /
Organization
Portland State University / Federal Communications Commission / kW International Broadcasting Bureau / /
Person
Bob Culter / Charles Scribner / David W. Cripe / Terry / / /
High Sensitivity Crystal Set Build a “crystal radio” that does not require an outside antenna or ground by using a new zero-voltage-threshold MOSFET. Bob Culter, N7FKI If