HF-FAX: High Frequency (.1-30 MHz) Facsimile

Low resolution rebroadcast analog format from ground utility stations worldwide.

Charts, sectorized imagery, and operational messages per individual station schedule.

Can be acquired with standard SSB HF receiver/antenna.

FM modulated carrier, FSK.

Products transmitted with standard startone, phasing period, stoptone.

Most common IOC is 576, with 120lpm.

Sample HF-FAX SIGNIFICANT WEATHER chart from CFH/Halifax.

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