Helfrick, Albert D.
Amateur radio equipment fundamentals / Alfred D. Helfrick. - Englewood Cliffs, NJ : Prentice-Hall, c1982. - xii, 284 p. : ill. ; 24 cm.
Includes index.
Radio--Apparatus and supplies--Design and construction--Amateurs' manuals.
Amateur radio stations.
621.38413
Amateur radio equipment fundamentals / Alfred D. Helfrick. - Englewood Cliffs, NJ : Prentice-Hall, c1982. - xii, 284 p. : ill. ; 24 cm.
Includes index.
Radio--Apparatus and supplies--Design and construction--Amateurs' manuals.
Amateur radio stations.
621.38413