by Turquoise Marine Systems | Feb 27, 2026 | FCC Radar
The role of electromagnetic wave propagation is determining the target range. RADAR range is fundamentally a timing problem: the system measures how long a pulse takes to travel to a target and return. The radio waves travel at the speed of light, enabling predictable...
by Turquoise Marine Systems | Feb 27, 2026 | FCC Radar
The purpose of marine RADAR is navigation and collision avoidance, understanding echo formation, and system parameters that matter to operators and technicians: what controls echo size and what controls detection range. A duplexer enables a single antenna to transmit...
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...
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...
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....
