26
The example below shows a typical message received by the Navtex receiver with 3 bad characters (‘*’):
<start of example>
ZCZC IE69==================================
ISSUED ON SATURDAY 06 JANUARY 2001.
INSHORE WATERS FORECAST TO 12 MILES
OFFSHORE FROM 1700 UT* TO 0500 UTC.
NORTH FORELAND TO SE**EY BILL.
12 HOURS FORECAST:
SHOWERY WINDS, STRONGEST IN NORTH.
NNNN
<end of example>
Inspecting the corresponding NRX sentences would typically show:
$CRNRX,007,001,00,IE69,1,135600,27,06,2001,241,3,A,==========================*09
$CRNRX,007,002,00,,,,,,,,,,========^0D^0AISSUED ON SATURDAY 06 JANUARY 2001.*29
$CRNRX,007,003,00,,,,,,,,,,^0D^0AINSHORE WATERS FORECAST TO 12 MILES^0D^0AOFF*0D
$CRNRX,007,004,00,,,,,,,,,,SHORE FROM 1700 UT^2A TO 0500 UTC.^0D^0A^0D^0ANORT*70
$CRNRX,007,005,00,,,,,,,,,,H FORELAND TO SE^2A^2AEY BILL.^0D^0A12 HOURS FOREC*16
$CRNRX,007,006,00,,,,,,,,,,AST:^0D^0A^0ASHOWERY WINDS, STRONGEST IN NORTH.^0D*15
$CRNRX,007,007,00,,,,,,,,,,^0A^0A*79
Decoding the message body should give the following result:
<start of decoding>
==================================
ISSUED ON SATURDAY 06 JANUARY 2001.
INSHORE WATERS FORECAST TO 12 MILES
OFFSHORE FROM 1700 UT* TO 0500 UTC.
NORTH FORELAND TO SE**EY BILL.
12 HOURS FORECAST:
SHOWERY WINDS, STRONGEST IN NORTH.
<end of decoding>