Transmitted Enhanced Loran (eLoran) Signal Standard for Tri-State Pulse Position Modulation SAE9990/1

This eLoran transmitted signal standard provides technical descriptions of a data channel based on the tri-state pulse position modulation technique. The eLoran transmitted signal standard, to which this data channel technique applies, is part of the SAE9990 family of standards covering data channels, receiver specifications, and recommended practices for eLoran.