RTCA DO-169-1979
VHF Air-Ground Communication Technology and Spectrum Utilization

Standard No.

RTCA DO-169-1979

Release Date

1979

Published By

RTCA - RTCA@ Inc.

Scope

Reports on VHF (118-136 MHz) spectrum utilization including the investigation of modulation techniques and reduced channel separation. Identifies problem areas and recommends@ among other things@ use of reduced channel spacing on a selective basis.