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An LNG-powered platform supply vessel started operation in 2016 with a 653 kWh/1600 kW battery acting as spinning reserve during DP2, saving 15-30% fuel. [11] The 154-meter North Sea Giant has combined 3 powerpacks, switchboards and 2 MWh batteries to operate in DP3 using only one engine, [12] [13] keeping the engine load between 60% and 80%. [14]
Front of the Sigma DP1. It was first announced on September 26, 2006, and after several production delays was delivered in the spring of 2008. [1] A follow-up camera, the Sigma DP2, was released in 2009; it features a different lens, and they are being sold in parallel. An improved version called Sigma DP1S was announced on November 17, 2009. [2]
The Sigma DP1s is a high-end compact digital camera introduced by the Sigma Corporation as an improvement of the Sigma DP1. It features a 14-megapixel Foveon X3 sensor (2652 × 1768 × 3 layers), a fixed 16.6 mm F4.0 lens (28mm equivalent ), a 2.5" LCD and a pop-up flash.
Sigma announced a prototype of its Foveon-based compact camera in 2006, the Sigma DP1, using the same 14 MP sensor as the SD14 DSLR. A revised version of the prototype was exhibited in 2007, and the camera was eventually launched in spring 2008. [12] Unlike the Polaroid x530, the DP1 had an APS-C-sized sensor with a 28mm equivalent prime lens ...
Mini-automatic radar plotting aid (or MARPA) is a maritime radar feature for target tracking and collision avoidance. Targets must be manually selected, but are then tracked automatically, including range, bearing, target speed, target direction (course), CPA (closest point of approach), and TCPA (time of closest point of approach), safe or dangerous indication, and proximity alarm.
A typical shipboard ARPA/radar system. A marine radar with automatic radar plotting aid (ARPA) capability can create tracks using radar contacts. [1] [2] The system can calculate the tracked object's course, speed and closest point of approach [3] (CPA), thereby knowing if there is a danger of collision with the other ship or landmass.
Users can submit photographs of the vessels which other users can rate. The basic MarineTraffic service can be used without cost; more advanced functions such as satellite-based tracking are available subject to payment. [3] The site has six million unique visitors on a monthly basis. In April 2015, the service had 600,000 registered users. [4] [5]
The SIGMA class is a Dutch-built family of modular naval vessels, of either corvette or frigate size, designed by Damen Group. SIGMA stands for Ship Integrated Geometrical Modularity Approach. [4] The basic design of the SIGMA Patrol Series can vary as the hull segments are designed as components.