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Rikaline 24A User Manual

Gps receiver board
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Rikaline
GPS-24 / 24A

GPS Receiver Board

User's Guide
Nemerix V1.0 Feb 28, 2005
Rikaline
International Corp.
10F, 64, Kang-Ding Road, Taipei 108, Taiwan, R.O.C.
Phone: +886-2-2370-4688 Fax: +886-2-2370-4686
E-Mail: info@rikaline.com.tw
Web: www.rikaline.com.tw
All Right Reserved

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Summary of Contents for Rikaline 24A

  • Page 1: Gps Receiver Board

    Rikaline GPS-24 / 24A GPS Receiver Board User’s Guide Nemerix V1.0 Feb 28, 2005 Rikaline International Corp. 10F, 64, Kang-Ding Road, Taipei 108, Taiwan, R.O.C. Phone: +886-2-2370-4688 Fax: +886-2-2370-4686 E-Mail: info@rikaline.com.tw Web: www.rikaline.com.tw All Right Reserved...

  • Page 2: Technology Specifications

    This positioning application meets strict needs such as car navigation, mapping, surveying, agriculture and so on. Only clear view of sky and certain power supply are necessary to the unit. GPS-24 / 24A communicates with other electronic utilities via compatible dual-channel through TTL and saves critical satellite data in built–in memory backup.
  • Page 3 3) Real-time Differential Correction input (RTCM SC-104 message types 1, 2 and 9). Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual 0.1 sec. (90%) 12 sec. (90%) 38 sec. (90%) 60 sec.

  • Page 4: Operational Characteristics

    Rikaline GPS-24 / 24A Operating Manual GPS Receiver Board 2. Operational characteristics 2.1 Initialization As soon as the initial self-test is complete, the GPS-22 begins the process of satellite acquisition and tracking automatically. Under normal circumstances, it takes approximately 120 seconds to achieve a position fix, 42 seconds if ephemeris data is known.

  • Page 5: Hardware Interface

    1.02”(W) x 1.02”(D) x 0.11”(H) 3.1.1 Details Drawing 3.1.1.1GPS-24 (to be equipped with active antenna only) 3.1.1.1GPS-24A (to be equipped with passive antenna or/and active antenna) Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual 2.

  • Page 6: Pin Definition

    Input Pin Voltage Operating Temperature Operating Current ZX4120 Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual DESCRIPTION GPS Status Reserved, keep float NMEA Serial Data Output NMEA Serial Data Input...
  • Page 7 Output Low Level Input Leakage Current Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Symbol Symbol Specifications subject to change without prior notice 10F, 64, Kang-Din Road, Taipei 108, Taiwan info@rikaline.com.tw...

  • Page 8: Software Interface

    The default communication parameters for DGPS Input are 9600 baud, 8 data bits, stop bit, and no parity. Position accuracy of less than 5 meters can be achieved with the GPS-24 / 24A by using Differential GPS (DGPS) real-time pseudo-range correction data in RTCM SC-104 format, with message types 1, 5, or 9.

  • Page 9: Ordering Information

    6. Warranty The GPS-24 / 24A series products are warranted to be free from defects in material and functions for one year from the date of purchase. Any failure of this product within this period under normal conditions will be replaced art no charge to the customers.
  • Page 10 Appendix A Software Interface The GPS-24 / 24A interface protocol is based on the National Marine Electronics Association's NMEA 0183 ASCⅡ interface specification, which is defined in NMEA 0183, Version 3.0 and the Radio Technical Commission for Maritime Services (RTCM Recommended Standards For Differential Navstar GPS Service, Version 2.1, RTCM Special Committee No.104).
  • Page 11 Name Example Message ID $GPGSV Number of Messages Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Units GLL protocol header ddmm.mmmm N=north or S=south dddmm.mmmm E=east or W=west hhmmss.sss...

  • Page 12: Recommended Minimum Specific Gnss Data (Rmc)

    (1) All “course over ground” data are geodetic WGS84 directions. Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Range 1 to 3 Range 1 to 12 Channel 1 (Range 1 to 32)
  • Page 13 Local Zone Minutes Checksum <CR> <LF> Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Units Description ZDA protocol header Hhmmss.ss Day in UTC, 01to 12 Month in UTC, 01 to 12...
  • Page 14 Rikaline GPS-24 / 24A Operating Manual GPS Receiver Board Appendix B Reference Design Specifications subject to change without prior notice Rikaline International Corp. 10F, 64, Kang-Din Road, Taipei 108, Taiwan Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: info@rikaline.com.tw...
  • Page 15 $PNMRX101,-742507,-5462738, 3196706,*xx: Sets the receiver position to ECEF (,) and executes a $PNMRX101, 4,*xx: Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Min chars Notes chars PNMRX100 protocol header.
  • Page 16 2// Modifying the LLA coordinates triggers a software system reset after successful execution of the message. Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Notes chars chars PNMRX103 protocol header.
  • Page 17 Char code Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual chars chars PNMRX106 protocol header. If 1 apply EGM96 geoids correction (warning: should be applied only when Map Datum is equal to 216).
  • Page 18 Maximum PDOP Maximum HDOP Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Disable message Send message now Send message on change Send message now and on change 2 digits.
  • Page 19 Low power mode starts to work only after the receiver has a complete and up to date almanac and it can produce the fix. Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Unsigned Unsigned Unsigned Unsigned...
  • Page 20 Perigee Mean Mean anomaly Checksum Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual chars chars PNMRX112 protocol header. RF off time in seconds [5:10] (0) 3 2 digits. ASCII 13, ASCII 10.
  • Page 21 Mean anomaly Root A Checksum Message <CR> <LF> terminator Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual ASCII 13, ASCII 10. width scale Units Weeks Seconds sec/sec sec/sec Seconds...
  • Page 22 Delta t LSF NumBlocks Time Offset Checksum Message <CR> <LF> terminator Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual width scale units Radians Semi- circles radians Semi- circles Meters Semi- circles...
  • Page 23 Num Blocks Time Offset (Local Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual Max chars chars PNMRX110 protocol header. SV health code if ≠0. SV health code if ≠0.
  • Page 24 Examples: $PNMRX603*xx: Display the content of the Settings stored in NVRam Rikaline International Corp. Tel: ++886 2 2370 4688 Fax: ++886 2 2370 4686 E-Mail: GPS-24 / 24A Operating Manual (-)2 (-)2 (0) 3 2 digits. ASCII 13, ASCII 10.

This manual is also suitable for:

Gps-24Gps-24a

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