Category: Maritime

via the ARRL: Maritime Mobile Service Network Operators Assist Vessel with Ill Crew Member

Amateur Radio operators associated with the Maritime Mobile Service Network (MMSN) played a significant part in summoning medical assistance on November 9 for a crew member suffering chest pains on board the 48-foot sailing vessel Marie Elena, some 300 miles east of Bermuda. “The assistance we received from the ham radio operator[s] was crucial in helping […]

via the ARRL: US Coast Guard Warns of LED Lighting Interference to Marine Radios, AIS Reception

The US Coast Guard says it’s received reports from crews, ship owners, inspectors, and other mariners regarding poor reception on VHF radiotelephone, digital selective calling (DSC), and automatic identification systems (AIS) when in the vicinity of LED lighting systems. This could include interior and exterior lighting, navigation lights, searchlights, and floodlights found on vessels of […]

via the ARRL: Sailor Grateful for Maritime Mobile Service Network Assistance

Phoenix sailor and radio amateur Timothy Henning, KE7WMZ, has expressed his gratitude to the Maritime Mobile Service Network (MMSN) for intercepting and handling his distress call on 14.300 MHz. Net control operator Harry Williams, W0LS, caught Henning’s call requesting assistance with an urgent medical condition on May 23. Henning, some 200 nautical miles south of […]

via the ARRL: Maritime Mobile Operation on LF May be a First for Amateur Radio

What began as a “let’s-see-if-we-can-do-this” effort resulted in successful Amateur Radio contacts on 475 kHz in early August by two Canadian operators aboard the sailing vessel Hakuna Matata off the coast of British Columbia. The accomplishment may be an Amateur Radio first. Mark Mattila, VA7MM, and Toby Haynes, VE7CNF, equipped Mattila’s 31-foot offshore-equipped Beneteau sloop […]

Maritime Mobile Service Net Relays Distress Call; Crew and Vessel Safe

The Maritime Mobile Service Network (MMSN) recently served as a critical communication link after the sport fishing vessel Free Spirit put out a “mayday” distress call on VHF marine channel 16 after running into trouble in Mexican waters. Brian Stipak, KF7QCX — skipper of the sailing vessel Ubiquity — heard the May 13 mayday, which […]

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