Studies of Solar Flare Effects and Other Ionospheric Disturbances with a High Frequency Doppler Technique
A Study of Auroral Zone Attenuation of High Frequency Radio Waves
PROPAGATION CONSIDERATIONS IN THE SELECTION OF PERIODS FOR PLANNING THE USE OF HIGH FREQUENCIES.
A Study of Auroral Zone Attenuation of High Frequency Radio Waves
Annex to FY 78 Progress Report to International Communication Agency Voice of America
FY 79 PROGRESS REPORT TO INTERNATIONAL COMMUNICATIONS AGENCY VOICE OF AMERICA CONTRACT IA-18434-23
INSTRUCTIONS FOR EDITING, SCALING AND TABULATING RECORDINGS OF RECEIVED SKYWAVE FIELD INTENSITIES
FY 80 Progress Report to International Communications Agency Voice of America
GEOMAGNETIC COORDINATES AND GEOMAGNETIC TIME
DETERMINATION OF MINIMUM REQUIRED TRANSMITTER POWER TO PROVIDE.
FY 76 PROGRESS REPORT TO UNITED STATES INFORMATION AGENCY VOICE OF AMERICA CONTRACT IA-17748-23
FY 78 Progress Report to International Communications Agency Voice of America
A STUDY OF AURORAL ZONE ATTENUATION OF HIGH FREQUENCY RADIO WAVES
A Study of Auroral Zone Attenuation of High Frequency Radio Waves
REQUIRED POWER TO ASSURE SATISFACTORY RECEPTION OF HIGH FREQUENCY BROADCAST SIGNALS.
FY 77 PROGRESS REPORT TO UNITED STATES INFORMATION AGENCY.
ARCTIC SKYWAVE FIELD STRENGTH
THE EFFECTS OF IONOSPHERIC CHANGE ON HIGH FREQUENCY RADAR OBSERVATIONS
The Restricted Motion of an Electric Dipole Throught a Magnetic Field