ISBN 0943016002 books & textbook
The Shortwave Propagation Handbook (Cq Technical Series)
Jacobs, George Cohen, Theodore J.
Ham Radio Bookstore /1991T Paperback / 150 Pages
isbn-10: 0943016002 / isbn-13: 9780943016009
Jacobs, George Cohen, Theodore J.
Ham Radio Bookstore /1991T Paperback / 150 Pages
isbn-10: 0943016002 / isbn-13: 9780943016009