DRAGSENS (English) 1.10

DRAGSENS Geo Software is used for the exact position estimation of a towed body, sensor, camera, array or net, dragged behind a ship, aircraft or vehicle. The software allows a real-time estimation of the position of a dragged sensor based on the location of a GPS-receiver. The sensor thereby can be dragged underwater, at water or earth surface or be airborne. The software calculates the position of the sensor along the direction opposite to the course by compensation of the drift rate, the rolling and the cornering ability of the towing vehicle. DRAGSENS receives current position data from a standard GPS string (RMC string). From these positions it averages a direction vector. Knowing the length of the tow cable, and the sensor depth, the sensor position is estimated and output in both kilometric and geographic formats. Suitable coefficients help keeping this estimation precise, considering, for example, the cable not as a straight line but as a parabolic arch. DRAGSENS runs under Microsoft Windows and uses two independent serial ports. That also may be USB ports, controlled by a serial port driver. The input port receives the standard position data from the NMEA bus, while the output port gives the sensor position back in both geographic and kilometric format. Several strings with coordinates in different coordinate systems, date / time and additional information are broadcast on the second serial port. They all follow the NMEA standard for the RMC specifications including the checksum bit for transfer controlling. This software at first was developed to add geo tags as an overlay with modern UTM coordinates on the footage taken by a towed underwater video camera. With suitable hardware the program delivers a video image, coming from a towed video camera, with the position as numeric overlay. It will also return the position of any towed sensor, including hydrophones, airguns, sonars or even nets.

Keywords: gps, receiver, position, navigation, navigation system, sensor, probe, tube, towed, dragged, ship, boat, sonar, depth sounder, nmea, tow, rope, position, coordinate, transformation, lan, lon, latitude, lonitude, utm, wgs84, etrs89

Click to enlarge

Author:

C. Killet Software Ing.-GbR     Other programs by C. Killet Software Ing.-GbR

Downloads:

45

Size:

1484K

Cost:

$730.00 US

Users Rating:

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Feedback:

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License:

Shareware [?]

Operating Systems:

Release Status:

update (2012-03-10)

Recent Changes:

Stores user data in separate directory. Transparent Buttons on graphical track view. Modern CHM help file for use with WIN Vista and WIN 7.

Supported Languages:

English, German

Additional Requirements:

500 MHz, 500 MB Memory, 100 MB HD

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