Theses and Dissertations
Now showing items 1-1 of 1
An investigation into the use of very low frequency transmissions for ship navigation.
(Monterey, California: U.S. Naval Postgraduate School, 1965)
The very low frequency band has been characterized by its extremely reliable propagation since the early days of radio. Recent development of oscillators accurate to a few parts in lO-H have made it possible to navigate ...