FORWARD CHANNEL

The channel of a data circuit that transmits data from the originating user to the destination user. Note: The forward channel carries message traffic and some control information.

Modulation/Coding

32-APSK Rate 3/4, 4/5, 5/6, 8/9, 9/10 (1240 only)
16-APSK Rate 2/3, 3/4, 4/5, 5/6, 8/9

8PSK Rate 3/5, 2/3, 3/4, 5/6
QPSK Rate 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6

Adaptive Coding & Modulation

Symbol Rate

10 - 52 MSym/s