686-1997 - Standard Radar Definitions Definitions for the purpose of promoting clarity and consistency in the use of radar terminology are provided. The definitions represent the...
686-1990 - Standard Radar Definitions This standard is published for the purpose of promoting clarity and consistency in the use of radar terminology. The definitions represent the...
686-2008 - Standard Radar Definitions Definitions are provided for the purpose of promoting clarity and consistency in the use of radar terminology. The definitions represent the...
1473-1999 - Communications Protocol Aboard Trains Communications protocols to be used for intercar and intracar serial data communications between subsystems aboard passenger trains are defined by...