GMDSS-GOC-L2.1

MF/HF DSC and radiotelephony

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

Beyond VHF range, terrestrial GMDSS runs on **MF and HF**. The GOC holder must pick the right band for the distance and time of day, send and receive **DSC on 2187.5 kHz and the HF DSC frequencies**, and work **radiotelephony on the paired distress frequencies**.

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.