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Coastal Explorer Support

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Rose Point Radar

Rose Point Radar Support

Rose Point offers support for a wide variety of radar sizes to suit the needs of most boaters. Rose Point Radar Support is available for Koden radar transceivers purchased separately through Koden authorized resellers. The smallest size is a 2KW dome and the largest is a 25KW open array. What’s the difference? A 2KW dome has an antenna that is approximately 1 ft across; it’s inside the dome so you will not see it spinning like an open array. The 1 ft antenna creates a beam that has a 4 degree horizontal beam and 25 degree vertical beam. Larger open arrays have narrower beams that are directly proportional to the length of the antenna. The larger open array antennas create a narrower beam; the 4.5 ft open array creates a 1.8 degree beam, which is better capable of imaging targets. Whereas a tug and barge combination may appear on the screen as a single target (at a distance) on a 4 KW dome, they are likely to be depicted as discrete targets on a larger antenna.

Features

The Rose Point Radar support includes all of the features you would expect to find on most radars and more. These include:

  • Radar Overlay on a Navigation Chart
  • Radar in a stand alone window
  • Gain adjustment
  • SEA Clutter (STC) adjustment
  • Automatic range adjustment
  • Interference rejection
  • Main Bang Suppression
  • Guard Zones
  • Electronic Bearing Lines
  • Variable range marker
  • Parallel index lines
  • North Up, Course Up and Heading up display
  • Auto Park at preset parking angle

Radar Overlay

Radar overlay is a must have for any serious boater wishing to improve situational awareness and safety. Radar overlay vastly improves the ease of understanding and interpreting radar images. There is nothing like it and once a boater uses radar overlay, there’s no going back to an old style radar.

How It Works

The transceiver creates and broadcasts a signal which is transmitted by the antenna. The antenna forms a fan shaped beam that sweeps 360 degrees every 2.2 seconds. The sweeping antenna transmits and receives short pulses of microwave energy with either 1024, or 2048 cycles per revolution. Each received pulse is digitized by the interface box where it is converted into individual pixels, approximately 600 per pulse, and then transmitted to the PC via an Ethernet connection.

The software receives the radar data from the interface box and converts it into an image by displaying each pixel on the screen. The software computes the proper location of each pixel by using heading and position information provided by a digital compass and GPS.

Heading or position errors can cause image misalignment. Experience has shown that a heading sensor with plus or minus one degree accuracy is adequate for most applications. A Differential GPS or WASS GPS is recommended for accurate positioning of the image.

Software

Activation of the radar features in Coastal Explorer is through an add-on which has a suggested retail price of $399.00. The radar features only appear after the radar has been detected on the network. The radar controls are found in cruise mode and appear at the top of the screen in simple to understand and easy use buttons.

Initialization is required the first time the radar is used. Some of the terms and concepts may seem foreign to new radar users, but the calibration is fairly easy to accomplish by following the instructions in the user guide. Presets are established so that the radar can produce the best possible image on subsequent usage. The software includes a simple Radar Calibration window that contains options for Networking, Controls, Installation offset, Gain and STC presets, Tuning, Transmission Trigger Delay and sector Blanking.

Screen Shots


Typical screen showing radar in Planning Mode


Typical screen showing vessel entering a marina


Cruise Mode interface showing vessel in a marina


Split Screen showing AIS targets in the radar window and on the chart overlay


Optional colors for the background and the radar image


Split screen showing Radar window, Video and radar overlaid on a chart in Planning Mode

Frequently Asked Questions

Q: Can I use My Nobeltec radar with Coastal Explorer?

A: The answer in most cases is yes, however older Insight Radar units are not supported. The original Nobeltec radar units used RS 422 to communicate with the PC and also output a raster image format, rather than a scan line interface used today. If your Nobeltec radar uses Ethernet then it is supported in Coastal Explorer. In order to activate the radar features for usage with a Nobeltec (or other) scanner, users must purchase the Radar Add-on. The suggested retail price for the add-on is $399. It can be purchased directly from Rose Point, or one of their authorized resellers. The Nobeltec 2KW radars also use the old style communication and image format and are not supported. The Radar Add-on is not required for Rose Point ECS which includes the radar features.

Q: Does the software include a stand alone radar window

A: Yes, The software supports multiple screens when a radar is attached and multi monitor support is available on the computer. The second screen can be used to display the stand alone radar window.

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