Commercial radio operator's license study guide /

Bibliographic Details
Main Author: Berens, Julius
Other Authors: Berens, Jack
Format: Book
Language:English
Published: Philadelphia : Chilton Book Co., [1969]
Subjects:
Table of Contents:
  • v. 1. Radiotelephone third class
  • v. 2. Radiotelephone second class
  • v. 3. Radiotelephone first class.