river radar

river radar

[′riv·ər ′rā‚där]
(navigation)
A marine set especially designed for river pilotage, generally characterized by a high degree of resolution and a wide selection of range scales.
References in periodicals archive ?
The electronic navigation equipment includes deliveries, installation and activities as follows: Delivery and installation of River Radar Observation System - 1; Delivery and installation of a device indicating the turning speed of the ship - 1pc; Supply and installation of a computer configuration for visualization of electronic navigation maps (Inland ECDIS) in the navigation mode - 1 pc.
In the modern world of barge towing, that means the instrument panel contains a radio, the very latest river radar, and possibly a relative newcomer to the rivers, the Automatic Identification System (AIS).