GMDSS-GOC-L2.2

NBDP: where radio telex still matters

GMDSS-GOC-M2 · Terrestrial communications · GMDSS-GOC-M2-A MF/HF DSC and radiotelephony, legacy NBDP, and NAVTEX in depth.

Narrow-band direct printing (**radio telex**) was once the backbone of long-range GMDSS text traffic. Since **1 January 2024** it is **no longer required**, but GOC holders still meet it in older installations, some MSI services and the examination syllabus.

Independent study. xplor is not an accredited training provider and awards no certificate or Certificate of Competency. The GOC is issued by the MCA only after an MCA-approved GMDSS course and examination at an approved centre, and needs an MCA STCW endorsement for service on UK ships. AI-drafted content pending subject-matter-expert review.