CHARACTERIZATION OF A VHF AIR-GROUND CHANNEL

The report describes a particular radio channel of the type proposed for use by the VHF Digital Data Link system. It is air-ground, has a narrow bandwidth, and uses frequencies near 120 MHz. Among the topics discussed are general signal levels, short-term and long-term variability, noise, multipath spread, and Dopler shifts. A bibliography is included which stresses the available data for this and similar channels.

• Supplemental Notes:
  • Paper copy also available from GPO.
• Corporate Authors:

  Institute for Telecommunication Science

  Office of Telecommunications, 325 Broadway
  Boulder, CO  United States  80302

  Transportation Systems Center

  55 Broadway, Kendall Square
  Cambridge, MA  United States  02142
• Authors:
  • Hufford, G A
  • Longley, A G
• Publication Date: 1974-10

Media Info

• Pagination: 73 p.

Subject/Index Terms

• TRT Terms: Data communications; Digital computers; Radio; Radio frequency interference; Radio links; Transmission; Transmission loss; Very high frequency
• Uncontrolled Terms: Data links; Digital techniques
• Old TRIS Terms: Fading; Radio transmission

Filing Info

• Accession Number: 00092084
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: OTR-74-47
• Contract Numbers: DOT/TSC-RA-74-10,, DOT/TSC-RA-74-32
• Files: NTIS
• Created Date: Oct 18 1976 12:00AM