Not comparable. HL7 is a machine interchange format - virtually no docs or healthcare personnel except those involved in informatics (and then generally only superficially) are familiar with HL7.
These NOTAMs were designed for human consumption and brevity, they date back to the 40s (debate about their ergonomics nonwithstanding).
These NOTAMs were designed for human consumption and brevity, they date back to the 40s (debate about their ergonomics nonwithstanding).