An EPIRB, Emergency Position‑Indicating Radio Beacon, with core characteristics: battery-operated, automatically activates in emergencies, designed to float free from a sinking vessel, and transmit distress signals to satellites and rescue authorities

by Turquoise Marine Systems | Feb 27, 2026 | FCC Radio

COSPAS-SARSAT is an international satellite-based search-and-rescue system. It provides global coverage and multi-agency cooperation, enabling the detection and relay of EPIRB distress signals to ground stations. The key benefits are fast, accurate location of people...

Magnetism is a core phenomenon underlying motors, transformers, inductors, and nearly all modern electronics

by Turquoise Marine Systems | Feb 27, 2026 | FCC Radio

Magnetism is a core phenomenon underlying motors, transformers, inductors, and nearly all modern electronics. Current, materials, and electromagnetic laws govern how magnetic fields behave. A magnetic field is created when a current flows through a conductor. Magnetic...

A brief overview of why understanding electrical power, energy storage, and reactance matters in AC circuits

by Turquoise Marine Systems | Feb 27, 2026 | FCC Radio

A brief overview of why understanding electrical power, energy storage, and reactance matters in AC circuits. It is relevant to technicians, radio operators, and electronics learners. The apparent power is the product of the AC voltmeter and the AC ammeter readings....

NAVTEX is part of the Global Maritime Distress and Safety System (GMDSS), delivering Maritime Safety Information (MSI) automatically to vessels

by Turquoise Marine Systems | Feb 27, 2026 | FCC Radio

NAVTEX is part of the Global Maritime Distress and Safety System (GMDSS), delivering Maritime Safety Information (MSI) automatically to vessels. MSI is essential for safe navigation. MIS messages are grouped into categories, each identified by a single letter or...

A brief overview of why survival craft communications matter in maritime safety, the role of portable VHF radiotelephones in emergencies and abandonment situations

by Turquoise Marine Systems | Feb 27, 2026 | FCC Radio

A brief overview of why survival craft communications matter in maritime safety, the role of portable VHF radiotelephones in emergencies and abandonment situations, and the connection to GMDSS standards and international requirements. Communication reach and...

COSPAS-SARSAT is an international satellite-based search-and-rescue system

by Turquoise Marine Systems | Feb 27, 2026 | FCC Radio

COSPAS-SARSAT is an international satellite-based search-and-rescue system. It provides global coverage and multi-agency cooperation, enabling the detection and relay of EPIRB distress signals to ground stations. The key benefits are fast, accurate location of people...