: If a hash (MD5, SHA-1, or SHA-256) was provided on the download page, compare it against the file to ensure it hasn't been tampered with.

: Some older drivers or niche software patches use randomized strings for temporary download links. Safety & Security Steps

: Use the file command in Linux or a hex editor to check the magic bytes . A true ZIP file should start with 50 4B 03 04 (ASCII: PK.. ).

: Use unzip -l 3fd4h3dods52.zip in a terminal to view the file list within the archive without extracting them.

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Safety of Navigation, National Waters
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