Tuned into a Navtex broadcast on 517kc at approx. 0105u and copied about 8 minutes worth. Copy was excellent as the signal was quite strong. (One vessel seems to be in trouble)
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NNNN
BRKZCZC GA32
CCGDEIGHT BNM 0152-13
LA - GULF OF MX.
1. COMMENCING APPROXIMATELY NOV 29, 2013 ANDCONTINUING UNTIL
APPROXIMATELY DEC 29, 2013, THE RIG HERCULES 120 WILL BE
OPERATING WITHIN 1 NAUTICAL MILE OF A SAFETY FAIRWAY MAIN PASS
BLOCK
42, IN APPROX PSN 29-24-31.105N 089-00-52.242W. MARINERS
TRANSITING THE AREA ARE URGED TO USE CAUTION.
2. CANCEL AT TIME//111600Z DEC 13//
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BRKZCZC GA86
SUBJ: SAFETY BNM//A//
BROADCAST AT G.
CCGDEIGHT BNM 0149-13
FL - GULF OF MX.
1. CONTINUING UNTIL APPROXIMATELY DEC 31, 2013, THE WG
COLUMBUS,M/V AMBER G, M/V FAXABORG AND M/V MELINDA B ADAMS,
WILL BE CONDUCTING SEISMIC SURVEYS IN THE GULF OF MX.
BOUNDED BY THE FOLLOWING APPROX POSITIONS:
29-09-00N 087-45-00W,
27-56-00N 086-21-00W,
27-04-00N 087-17-00W AND
28-30-00N 088-43-00W.
THE WG COLUMBUS IS TOWING 8, 13,000 METERS/7.5 NM,
CABLES ASTERN AND REQUESTS THE FOLLOWING CLEARANCES: 2
NM AHEAD, 3 NATICAL MILES ABEAM, AND 8.5 NATICAL
MILES ASTERN. CABLE ENDS ARE MARKED WITH Y BUOYS WITH
FLASHING WH STROBE LIGHTS. THE WG COLUMBUS AND SUPPORT
VESSELS WILL BE MONITORING VHF-FM CHANNELS 16 OR 17. MARINERS
TRANSITING THE AREA ARE URGED TO USE CAUTION AND GIVE A WIDE
ONLPYHH.
2. CANCEL AT TIME//031300Z DEC 13//
NNNN
BRKZCZC GA53
CCGDEIGHT BNM 0144-13
FL - GULF OF MX.
M THE F/V LONGSHOT IS REP AWASH A AND ADRIFT IN APPROX
PSN 28-42-00N 087-47-00W, AS OF P.M., NOV 15, 2013. THE
F/V LONGSHOT IS DESCRIBED AS 72 FT IN LENGTH WITH A G HULL.
YBYFPYYPYPMCYPWMHZMYPZYHMJFDHJI TO THE NEAREST U.S. COAST
GUARD UNIT.
2. CANCEL AT TIME //021600Z DEC 13//
O
NNNN
BRKZZZZ
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I'm not sure what the "scrambled" letters are... possibly encryption?