FEC selective, FEC collective . , , . , FEC collective, . , .
FEC selective, 70004, . , .
. ARQ FEC collective, FEC selective , 1 0 3:4, 4:3. , . , , .
, ARQ ( ) FEC collective ( ).
, , , . ,
ARQ, . - , , .
, , . . , , . F1B (J2B) ITU List of Coast Stations (List IV). , , , ( ) . , , . , .
GA+ .
, :
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DIRTLX + -
TLX + - store and forvard
TGM + -
OPR + -
URG + -
MSG + -
HELP + - ,
MED + -
BRK + -
FREQ + - ,
+ .
, ITU List of Coast Stations (List IV), HELP+ (LP+) .
MSG+, , . , NIL, MAILBOX EMPTY, NO MSG ..
.
(GA+) DIRTLXxy+, (x - , y - )1. , MSG+. . , :
OCC -
DEF -
NC -
NA -
NCH -
NP -
1 , , , , . 0 .
MSG+, , . . KKKK, , , . , , , , , , . (GA+). , , , .
.
store and forward , , . . DIRTLX + TLX +.
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