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Garmin 15H-W - GPS Technical Specifications

Manual is about: Garmin GPS 15L: Technical Spec

Summary of 15H-W - GPS

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    Gps 15h & 15l technical specifications ® garmin international, inc. 1200 e. 151 st street olathe, ks 66062 usa 190-00266-01, revision d february 2006.

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    190-00266-01 gps 15h & 15l technical specifications rev. D page ii © copyright 2004–2006 garmin ltd. Or its subsidiaries garmin international, inc. 1200 east 151 st street, olathe, kansas 66062, u.S.A. Tel. 913/397.8200 or 800/800.1020 fax 913/397.8282 garmin (europe) ltd. Unit 5, the quadrangle, ab...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page iii table of contents 1 introduction..................................................................................................................1 1.1 cautions ..........................................................................

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    190-00266-01 gps 15h & 15l technical specifications rev. D page iv 4.2.12 map datum (pgrmm) ........................................................................................................................18 4.2.13 sensor status information (pgrmt) ...............................................

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 1 1 introduction 1.1 cautions caution the gps system is operated by the government of the united states, which is solely responsible for its accuracy and maintenance. Although the gps 15h & 15l sensors are precision electronic navigatio...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 2 1.2 limited warranty this garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within this period, garmin will at its sole option repair or replace any components that...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 3 • • 1.3 overview the gps 15h & 15l are part of garmin’s latest generation of gps sensor boards designed for a broad spectrum of oem (original equipment manufacture) system applications. Based on the proven technology found in other ga...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 4 • • • 1.5 technical specifications specifications are subject to change without notice. 1.5.1 physical characteristics 1.5.1.1 size 1.400” (35.56 mm) wide x 1.805” (45.85 mm) long x 0.327” (8.31 mm) high 1.5.1.2 weight gps 15h: 0.53 o...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 5 • • • • • • • • • • 1.5.4 gps performance 1.5.4.1 receiver waas enabled™, 12 parallel channel gps receiver continuously tracks and uses up to 12 satellites (up to 11 with pps active) to compute and update your position. 1.5.4.2 acquis...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 6 • • • • • 1.5.5 interfaces 1.5.5.1 gps 15h & 15l electrical characteristics true rs-232 output (port 2 output not used at time of publication), asynchronous serial input compatible with rs-232 or ttl voltage levels, rs-232 polarity. U...

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    Noise figure/gain: the total noise figure on the external antenna must be ≤ 7 db. Refer to the table below. 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 gain (db) s nr (db) nf=1.3db nf=2.3db nf=3.3db nf=4.3db nf=5.3db nf=6.3db nf=7.3db table 1: gain vs. Snr for giv...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 8 2 gps 15h & 15l wire descriptions and wiring diagrams the gps 15h-f & 15l-f use an eight-contact flex circuit lif (low insertion force) connector. The gps 15h-w & 15l-w use an eight-pin jst connector (mating wire harness included). Se...

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    2.2 gps 15h & 15l wiring diagrams figure 1: computer serial port interconnection figure 2: pda serial port interconnection figure 3: basic nmea device interconnection 190-00266-01 gps 15h & 15l technical specifications rev. D page 9.

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    3 mechanical characteristics & mounting 1. Dimensions in millimeters [inches] 2. Dimension tolerance: +/-0.25 mm [±0.01”] 3. Use m2 mounting screws figure 4: gps 15h-f & 15l-f dimensions 1. Dimensions identical to gps 15h-f and gps 15l-f 2. Use m2 mounting screws figure 5: gps 15h-w & 15l-w outline ...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 11 4 gps 15h & 15l software interface the gps 15h & 15l interface protocol design on com 1 is based on the national marine electronics association’s nmea 0183 ascii interface specification. The com 2 port can receive differential gps (d...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 12 4.1.2 sensor initialization information (pgrmi) the $pgrmi sentence provides information used to initialize the gps sensor’s set position and time used for satellite acquisition. Receipt of this sentence by the gps sensor causes the ...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 13 4.1.4 additional sensor configuration information (pgrmc1) the $pgrmc1 sentence provides additional information used to configure the gps sensor operation. Configuration parameters are stored in non-volatile memory and retained betwe...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 14 4.1.6 tune dgps beacon receiver (pslib) the $pslib sentence provides the ability to tune a garmin gbr 21, gbr 23 or equivalent beacon receiver. $pslib,,*hh beacon tune frequency, 0.0, 283.5–325.0 khz in 0.5 khz steps beacon bit rate,...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 15 4.2 transmitted nmea 0183 sentences the subsequent paragraphs define the sentences that can be transmitted on com 1 by the gps sensor. 4.2.1 sentence transmission rate sentences are transmitted with respect to the user-selected baud ...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 16 4.2.2 transmitted time the gps sensor outputs utc (coordinated universal time) date and time of day in the transmitted sentences. Before the initial position fix, the on-board clock provides the date and time of day. After the initia...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 17 4.2.5 gps dop and active satellites (gsa) $gpgsa,,,,,,,,,,,,,,,,,*hh mode, m = manual, a = automatic fix type, 1 = not available, 2 = 2d, 3 = 3d prn number, 01 to 32, of satellite used in solution, up to 12 transmitted (leading zeros...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 18 4.2.9 geographic position (gll) $gpgll,,,,,,,*hh latitude, ddmm.Mmmm format (leading zeros are transmitted) latitude hemisphere, n or s longitude, dddmm.Mmmm format (leading zeros are transmitted) longitude hemisphere, e or w utc tim...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 19 4.2.13 sensor status information (pgrmt) the garmin proprietary sentence $pgrmt gives information concerning the status of the gps sensor. This sentence is transmitted once per minute regardless of the selected baud rate. $pgrmt,,,,,...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 20 4.3 baud rate selection baud rate selection can be performed by sending the appropriate configuration sentence to the gps sensor as described in the $pgrmc section 4.1.3 , field . 4.4 one-pulse-per-second (pps) output the highly accu...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 21 appendix a: earth datums the following is a list of the garmin gps 15h & 15l earth datum indices and the corresponding earth datum name (including the area of application): 0 adindan - ethiopia, mali, senegal, sudan 1 afgooye - somal...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 22 36 hong kong 1963 - hong kong 37 indian - bangladesh, india, nepal 38 indian - thailand, vietnam 39 ireland 1965 - ireland 40 ists o73 astro 1969 - diego garcia 41 johnston island 1961 - johnston island 42 kandawala - sri lanka 43 ke...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 23 75 pico de las nieves - canary islands 76 pitcairn astro 1967 - pitcairn island 77 puerto rico - puerto rico, virgin islands 78 qatar national - qatar 79 qornoq - south greenland 80 reunion - mascarene island 81 rome 1940 - sardinia ...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 24 appendix b: binary phase output format in binary phase output mode, gps 15h & 15l series products transmit two types of packets once per second. One record contains primarily post-process information such as position and velocity inf...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 25 the status bit field represents a set of booleans described below: bit meaning when bit is one (1) 0 the unit has ephemeris data for the specified satellite. 1 the unit has a differential correction for the specified satellite. 2 the...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 26 position record the position record has a record identifier of typedef struct { float alt; float epe; float eph; float epv; int fix; double gps_tow; double lat; double lon; float lon_vel; float lat_vel; float alt_vel; float msl_hght;...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 27 svid satellite number (0-31 and 119-138 for waas) note: add 1 to offset to current svid numbers. Valid 0 = information not valid; non-zero = information valid sample c code dle and etx bytes: sample c code to receive the two records ...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 28 appendix c: changing the baud rate in garmin mode in certain cases, you may need to change the default baud rate of your garmin gps receiver while in garmin mode. Follow these steps to temporarily change the baud rate. Refer to the g...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 29 appendix d: ephemeris data download (programming example) synopsis this section describes, using an example, how to download ephemeris information from a garmin 15, 16, 17 or 18 family gps unit with the exception of the gps 15-w and ...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 30 ephemeris download procedure the following is the sequence of events that occurs when downloading ephemeris data. Send a packet containing the command that requests ephemeris data ( iop_down_load_eph) . The packet should look like th...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 31 next, the unit sends the specified number of packets containing the ephemeris information. An example packet is shown below. Each packet should be acknowledged as before (be sure to modify the ack packet to indicate what type of pack...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 32 an example function to complete the parsing is shown below. Note that the double data types are converted by the function cnvt_ieee_double() . This function merely swaps the upper and lower words of the double. This is necessary on g...

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    190-00266-01 gps 15h & 15l technical specifications rev. D page 33 each data member of the ephemeris data structure is indexed into the data array of the ephemeris packet and cast as the appropriate data type. The indices are as follows (note that they correlate to the data members of the structure ...

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    Appendix e: declaration of conformity hereby, garmin ltd., declares that this gps 15h/15l is in compliance with the essential requirements and other relevant provisions of directive 1999/5/ec. For the latest free software updates (excluding map data) throughout the life of your garmin products, visi...