Data Collector: Software Installation and Troubleshooting
Contents
1. Nolte Positioning Leadership APN 049 Rev 1 September 11 2008 SUPERSTAR II Messages for OEMV OEMV 3 500 introduces the ability to use SUPERSTAR II SSID ID 20 21 and 33 messages on OEMV cards We added this functionality to simplify interoperability with SSII products and to ease transition from SSII to OEMV NovAtel discontinued the SSII family of products and the last order date has passed NovAtel will continue to provide technical services and repairs until June 30 2011 Behavioral Changes Details on Message IDs 20 21 and 33 are in the L1 GPS Firmware Reference Manual available on our website This application note adds information about OEMV specific behavioral changes The behavioral changes are e Message ID 20 and Message ID 21 always report the WGS84 datum type even if another datum was used e Message ID 33 only reports in view satellites above the elevation cut off angle e SSII self test and initialization system modes do not exist on an OEMV e Sets Differential Corrections Available flag in Message ID 33 to ON if the observation used in the filter had differential corrections applied to it so there may be observations that have differential corrections available but are not flagged if the receiver does not use them in the solution e Number of satellites in the solution may exceed 12 since the OEMV has more channels 16 than the SSII 12 e Message ID 33 only reports on GPS and SB2. AS satellites even if the solution uses GLONASS satellites e OEMV s Dilution of Precision DOP replaces SSII s Figure of Merit FOM OEMV Interface Configuration These messages are for output only Use only NovAtel commands to request these messages and to configure the OEMV receiver You cannot configure the receiver with SSII binary commands To request Message ID 20 at 5 Hz send this command LOG COM1 SSIIMSG20 ONTIME 0 2 APN 049 Rev 1 September 11 2008 To request Message ID 21 at 5 Hz send this command LOG COM1 SSIIMSG21 ONTIME 0 2 To request Message ID 33 at 1 Hz send this command LOG COM1 SSIIMSG33 ONTIME 1 SSIIMSG20 and SSIIMSG21 are populated from the NovAtel BESTPOS and BESTX YZ logs respectively SSII NAV Modes in Message ID 20 and Message ID 21 correspond to certain position mode and solution status values in BESTPOS and BESTX YZ Specifically SSII NAV Mode 2 NAV 3 D corresponds to OEMV Position Type SINGLE SSII NAV Mode 4 Differential 3 D and Differential Source Selection 0 SBAS corresponds to OEMV Position Type WAAS SSII NAV Mode 4 Differential 3 D and Differential Source Selection 1 DGPS corresponds to OEMV Position Type PSRDIFF SSII NAV Mode 0 Initialization Required corresponds to OEMV Solution Status INSUFFICIENT_OBS SSII NAV Mode 3 Altitude Hold NAV 2 D corresponds to OEMV Position Type FIXEDHEIGHT SSII NAV Mode 8 Base
3. Station corresponds to OEMV Position Type FIXEDPOS See also the following OEMV Firmware Reference Manual for BESTPOS and BESTX YZ details http www novatel com support docupdates htm oemv LI GPS Firmware Reference Manual for Message IDs 20 and 21 http www novatel com support docupdates htm a2 PDP Filter and GLIDE Application Note for details on L1 positioning filters http www novatel com support applicationnotes htm Final Points If you require any further information regarding the topics covered within this application please contact NovAtel Customer Service 1120 68 Ave N E Calgary Alberta Canada T2E 8S5 Phone 1 800 NOVATEL in Canada or the U S or 1 403 295 4500 Fax 403 295 4501 E mail support novatel ca Website www novatel com
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