Operational Characteristics; Initialization; Navigation - Rikaline GPS-6010-X5 User Manual

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High Sensitivity

2. Operational characteristics

As soon as the initial self-test is complete, the GPS-6010-X5 begins the process of satellite acquisition and

tracking automatically. Under normal circumstances, it takes approximately 45 seconds to achieve a position fix,

38 seconds if ephemeris data is known. After a position fix has been calculated, information about valid position,

velocity and time is transmitted over the output channel.

The GPS-6010-X5 utilizes initial data, such as last stored position, date, time and satellite orbital data, to

achieve maximum acquisition performance. If significant inaccuracy exists in the initial data, or the orbital data

is obsolete, it may take more time to achieve a navigation solution. The GPS-6010-X5 Auto-locate feature is

capable of automatically determining a navigation solution without intervention from the host system. However,

acquisition performance can be improved when the host system initializes the GPS-6010-X5 in the following

situation:

1) Moving further than 1,500 kilometers.

2) Failure of data storage due to the inactive internal memory battery.

After the acquisition process is complete, the GPS-6010-X5 sends valid navigation information over output

channels. These data include:

1) Latitude/longitude/altitude

2) Velocity

3) Date/time

4) Error estimates

5) Satellite and receiver status

The GPS-6010-X5 sets the default of auto-searching for real-time differential corrections in RTCM SC-104

standard format, with the message types 1, 5, or 9. It accomplishes the satellite data to generate a differential

(DGPS) solution. The host system, at its option, may also command the GPS-6010-X5 to output a position

whenever a differential solution is available.

Rikaline International Corp.

Tel: ++886 2 8973 1899

Fax: ++886 2 8973 1896

GPS-6010-X5 Operating Manual

14F, 171, ChenGong Rd., Sanchong City, Taipei 241, Taiwan

E-Mail: info@rikaline.com.tw

Rikaline

Web: www.rikaline.com.tw

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