Radar Plotting 对比 Helmsman's Kit 的使用情况和统计数据

This application solve this marine radar plotting problems: - Determine kinematic data of a target like CPA (Closest point of approach) and TCPA (Time of CPA) - Determine evasive maneuver by turn to starboard, left and speed reduction with single target. - Determine the current. - Determine maneuver to escape. - Determine maneuver to escape from faster ship. - Determine rescue maneuver. - Determine evasive maneuver by turning to the right and to left with two targets. - Calculate the detections by analyzing own ship and target positions In addition to the analytical resolution is a graphics representation on the radar sheet, with scale speed and adjustable distance in manual or automatic mode. Also in the graph it is selectable the representation of the true motion or relative motion.

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Helmsman's Kit

This app combines the essential features you need in the cockpit of your yacht, optimized for easy and fast usage. • Display of a spherical compass as you are used to. • Man-over-board button, display direction/distance with compass. • Anchor watch with forwarding to a second device. • Bearing compass. • Charts with sea signs. • Offline charts by caching of all chart access. • Weather overlay: wind, waves, temperature, pressure. • Tracking optimized for boats. • Full access to and export of the tracks in standard format (GPX). • Post images of your tracks on social media. • Marine instruments display with the standard values: Position, Heading, Speed over ground, Course over Ground, Heel, Log, Average speed, Time. No account or registration required, even not for forwarding the anchor watch alarm to a second iPhone or iPad!