Differences between aircraft and marine radio beacons discussed; directional beacon and visual reception apparatus; value of radio; opinions of G. R. Putnam, Commissioner of Lighthouse Service, Department of Commerce, in regard to value of radio are quoted.
Evolution of aircraft and marine radio beacons
Aero Digest
Aero Digest ; 15 , n 5
1929
3 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1948
|Mountain effects and use of radio compasses and radio beacons for piloting aircraft
Engineering Index Backfile | 1941
|Responder beacons for marine use
Tema Archive | 1973
|Self-Identifying Emergency Radio Beacons
NTRS | 1987
|