Accession Number:

AD0672547

Title:

ELF AND VLF WAVES IN THE SPHERICAL GUIDE BETWEEN THE EARTH AND THE IONOSPHERE.

Descriptive Note:

Research rept.,

Corporate Author:

SYLVANIA ELECTRONIC SYSTEMS-EAST WALTHAM MASS APPLIED RESEARCH LAB

Personal Author(s):

• Galejs,Janis

Report Date:

1968-05-01

Pagination or Media Count:

113.0

Abstract:

The wave guide is excited by vertical or horizontal electric or magnetic dipole sources, and its boundaries are characterized by surface impedances. The resulting waves are expressed as a superposition of TM and TE modes. The wave numbers, excitation factors, height-gain functions, and height-dependent impedances are examined for both types of modes. Author

Descriptors:

• (*DIPOLE ANTENNAS
• RADIO TRANSMISSION)
• EXTREMELY LOW FREQUENCY
• VERY LOW FREQUENCY
• ELECTROMAGNETIC FIELDS
• ANTENNA RADIATION PATTERNS
• IONOSPHERE

Subject Categories:

• Electrical and Electronic Equipment
• Radiofrequency Wave Propagation

Distribution Statement:

APPROVED FOR PUBLIC RELEASE