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GPS-PS1E
GPS RECEIVER MODULE
DATA SHEET
GPS Receiver Board based on SiRFstarTM I/LX
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page2
Title GPS-PS1E
Doc Type DATASHEET
Doc Id GPS.G1-PS1-00002-B
Author : PatrikEggenberger
Date : 9.Jan02
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SiRFandtheSiRFlogoareregisteredtrademarksofSiRFTechnology,Inc.SiRFPowered,SiRFstar,SiRFLoc,SiRFDRive,SiRFNav,SiRFWare,
SingleSat,SnapLock,SnapStart,FoliageLock,Push-to-Fix,TricklePowerandWinSiRFaretrademarksofSiRFTechnology,Inc.
Copyright©2002,u-bloxag
THISDATASHEETCONTAINSINFORMATIONONU-bloxPRODUCTSINTHESAMPLINGANDINITIALPRODUCTIONPHASESOFDEVELOPMENT.THESPECIFICATIONSINTHIS
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INFORMATIONANDSPECIFICATIONSCONTAINEDINTHISDATASHEET.PERFORMANCECHARACTERISTICSLISTEDINTHISDATASHEETAREESTIMATESONLYANDDONOT
CONSTITUTEAWARRANTYORGUARANTEEOFPRODUCTPERFORMANCE.
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page3
CONTENTS
1 Features ........................................................................................................................4
2 Overview ......................................................................................................................5
3 Product Line-up ............................................................................................................6
4 GPS Performance Specification....................................................................................7
4.1 GPSaccuracy .................................................................................................................................. 7
4.2 Start-uptimes ................................................................................................................................. 7
5 Operating Modes .........................................................................................................9
5.1 NormalOperation ........................................................................................................................... 9
5.2 TricklePowerTMOperation................................................................................................................. 9
5.3 CustomizedOperation..................................................................................................................... 9
6 Technical Specifications .............................................................................................10
6.1 ElectricalSpecifications ...................................................................................................................10
6.1.1 AbsoluteMaximumRatings .....................................................................................................10
6.1.2 OperatingConditions ..............................................................................................................10
6.2 PinDescription...............................................................................................................................11
6.2.1 SerialInterfaceSignals .............................................................................................................11
6.2.2 SpecialPowerPins...................................................................................................................12
7 How to Make it Run...................................................................................................13
8 Mechanical Specifications..........................................................................................14
A Related Documents....................................................................................................17
B Contact........................................................................................................................17
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page4
1 FEATURES
FullImplementationoftheSiRFstarTM I/LXArchitecture,Including:
- GRF1/LXLow-powerRFfront-endIC
- GSP1/LXLow-powerGPSDSPwithIntegratedRealTimeClock(RTC)
- HitachiRISCCPUSH-7020
- 1MBitSRAM
- 4MBitFLASHmemory
- LowNoiseAmplifier
- Filter,Crystals,etc.
SiRFstarTMI/LXTricklePowerTMenhancedpowermanagementmodes(3stage)
DifferentialGPS(RTCM-SC104)input
Dimensions:82.5mm × 32mm × 8.5mm
M/A-ComSSMTcoaxconnectorforRF-InputorstandardSMB
BiasVoltageforactiveantenna4.75V
2bi-directionalSerialInterfaces
Operatingvoltage5Volts
Industrialoperatingtemperaturerange(40-+85°C)
Externalrequirements:
- 5Voltpowersupply,0.75Watt(max.)
- BackupbatteryforrealtimeclockandSRAM
- SerialinterfaceforNMEAorSiRF®binarydata
- PassiveoractiveAntenna
CustomerspecificcodecanbeimplementedontheHitachiSH-1processorusingtheu-bloxSoftware
CustomizationKit.
GPS-PS1E-DataSheet u-bloxag
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2 OVERVIEW
GPS-PS1Eisafullyself-containedreceivermodulefortheGlobalPositioningSystem(GPS).Basedonthe
SiRFstarTMI/LXchipsetmanufacturedbySiRFTechnology,Inc.,themodulesupportsallfeatures,andmaintains
thetechnicalspecificationsoftheSiRFstarTMI/LXarchitecture.
Figure 1: Blockdiagram of GPS-PS1E
Themodule,whichis82.5mm×32mminsize,providescompleteGPSsignalprocessingfromantennainputto
serialdataoutput(NMEAorSiRF®proprietarydataformat).AsecondserialportacceptsdifferentialGPSdata
(RTCM).
Thereceiverrunsatanexternaloperatingvoltageof5Volts.Internallythisisconvertedtotheoperatingvoltage
of3.3Volts,sothemoduleconsumeslessthan0.75Wattsincontinuousoperationmode.Theimplementation
ofthepatentpendingTricklePowerTMMode allowsan additional drasticreductionof powerconsumption for
applicationswherepowerconsumptionisofprimaryconcern(seealsotheLow Power Mode Application Note).
UsingathirdcrystaltheGPS-PS1EoffersextendedTricklePowerTMModecapabilities.ItcanshutofftheRFpartof
themoduleindependentlyfromtheprocessor.TheGPS-PS1EisfullybackwardcompatibletotheGPS-PS1.
FeaturingtheGRF1/LXRFfront-endchipandanintegratedLow-NoiseAmplifier(LNA),themoduleconnects
seamlesslytolow-costpassiveantennas.ActiveantennascanbeconnectedtotheGPS-PS1Easwell.Anantenna
biasvoltage(4.75V)isinternallygenerated.SufficientCPUpowerofthemodule'sHitachiSH-1RISCCPUallows
theintegrationofadditionalcustomerspecificfunctionality.Formanyapplications,thefunctionalityofan
externalmicro-controllercanbetransferredtoGPS-PS1E.Theu-bloxSoftwareCustomizationKitisrequiredto
changethefirmwareorimplementadditionalfunctionalityontheon-boardmicroprocessor.
GPS-Data
AGC
Clock
Address Bus
Data Bus
Antenna
Input
Serial I/Os[A:B] 1PPS
Power
5 Volts
Backup
Battery
GPS-PS1E
RTC
Processor
GSP1/LX
Signal
GRF1/LX
RF
Front-End
Reset
IC
Voltage
Regulator
XTAL
IF
Filter
XTAL
LNA RF
Filter
µP
SH-1
Hitachi
SRAM
1MBit
FLASH
4MBit
XTAL
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GPS.G1-PS1-00002-B Page6
3 PRODUCT LINE-UP
ThestandardGPS-PS1Eissuppliedinthefollowingstart-upconfiguration:
- SiRF®binaryprotocol
- 19’200Baud
- 8databits,noparity,1stopbit
Duringafirmwareup-datethedefaultstart-upconfigurationofthereceivercanbeset.Firmwareup-datesas
wellastheup-dateutilityareavailableattheu-bloxhomepage.SeetheFirmware Up-date Manualforfurther
information.
RefertoTable1fororderinginformation.Optionsareavailableinhigherquantities.
Option Features
None StandardversionwithM/A-ComSSMT/OSMTantennaconnector
S SMBantennaconnectorinsteadofSSMT/OSMT
DL Addsdataloggingcapability
Table 1: Ordering Options
FortheGPS-PS1Eanintegrateddataloggerisavailableasanorderingoption.Thisoptionenablestheuserto
takeadvantageoftheon-boardFLASHmemorytostorepositiondata.
Orderingexample:
GPS-PS1E-S-DL GPS-PS1EwithdataloggerandSMBconnector.
GPS-PS1E-DataSheet u-bloxag
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4 GPS PERFORMANCE SPECIFICATION
4.1 GPS accuracy
GPSreceiveraccuracyisafunctionofGPSreceiverperformance,satelliteconstellationandSelectiveAvailability
(SA).GPSaccuracyisnotproperlydefined.Everymanufacturerhasitsownmeansofdefining,measuringand
calculatingpositionaccuracy.
We define commonly used measures and give the values for all of them in the GPS receiver performance
application note. In Table 1 we focus on CEP,which gives the most intuitive feel for the accuracy of a GPS
receiver.
Definition of Circular Error Probability: The radius of a circle, centered at the antenna’s true position,
containing50%ofthefixes.
SeeGPS receiver performance application noteformoredetails.
4.2 Start-up times
AGPSreceiverknowsdifferentstart-upscenarios,whichdifferssignificantlyintheTime-to-first-fix(TTFF).These
start-upscenariosdependontheamountofknowledgetheGPSreceiverhasregardingitspositionsandthe
availabilityofsatellites.JustlikeGPSaccuracy,startuptimesforGPSreceiversareanotherfieldwhereevery
manufacturerhasitsownnamingscheme,andtherefore,comparisonbetweenreceiversisdifficult.Inthe
followingashortintroductioninourdefinitionsofstart-uptimes(seeTable3forspecifications)isgiven.Please
notethatthesenumbersweremeasuredwithgoodvisibility(openviewtothesky).Obstructedviewwillresultin
longerstart-uptimes.
Definitions:
Cold Start InColdStartScenario,thereceiverhasnoknowledgeonlastposition,approximatetime
orsatelliteconstellation.Thereceiverstartstosearchforsignalsblindly.Thisisstandard
behavior,ifnobackupbatteryisconnected.
ColdStarttimeisthelongeststartuptimeforu-bloxGPSreceivers.
Warm Start InWarmStartScenario,thereceiverknows-duetoabackupbattery–hislastposition,
approximatetimeandalmanach.Thankstothis,itcanquicklyacquiresatellitesandget
apositionfixfasterthanincoldstartmode.
Hot Start InHotStartScenario,thereceiverwasoffforlessthan2hours.ItusesitslastEphemeris
datatocalculateapositionfix.
Reacquisition Thereacquisitionfiguregivesthetimerequiredtogetlockonasatelliteifthesignalhas
beenblockedforashorttime(e.g.duetobuildings).Thisismostimportantinurban
areas.ReacquisitiontimeisnotrelatedwithTTFF.
GPS-PS1E-DataSheet u-bloxag
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Parameter Specification
ReceiverType L1frequency,C/ACode,12-Channel
MaxUp-dateRate 1Hz
Accuracy(SAoff) Position
5mCEP
Accuracy(SAon) Position
Time
21mCEP
+/-180ns
Accuracy(DGPS) Position
Time
2mCEP
+/-60ns
Acquisition(typical) ColdStart
WarmStart
HotStart
60sec
45sec
2-6sec
SignalReacquisition 100ms
Dynamics <=4g
OperationalLimits Altitude<60000ftandvelocity<1000knots
Eitherlimitmaybeexceededbutnotboth(COCOM
restrictions)
Table 2: GPS receiver specifications
GPS-PS1E-DataSheet u-bloxag
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5 OPERATING MODES
GPS-PS1Ecanbeoperatedindifferentoperatingmodes.
5.1 Normal Operation
InNormalMode,themoduleiscontinuouslyrunningaslongastheoperatingvoltageVccissupplied.Position
fixesaregeneratedatthemaximumupdaterate.Anexternalbackupbatterymustbeconnectedtoenablethe
moduletokeeptheinternalRealTimeClockrunningandtoholdtheSRAMdata(ephemerisandalmanacdata)
duringpowersupplyinterruption.Useofanexternalbackupbatteryis recommended to reducethesystem's
startuptime.However,undergoodvisibilityconditionscold-andwarmstarttimesdonotdiffersignificantly.
5.2 TricklePowerTM Operation
In TricklePowerTM Mode, Vcc is continuously supplied to the module. A software configurable internal timer
periodicallyforcesthemoduletoacquireapositionfix.Betweenthefixes,themoduleremainsinanultra-low
power sleep mode. This mode is recommended for applications where lowest power consumption and a
periodicalpositionup-dateareofprimaryconcern.Abackupbatterymustbeconnectedtoenablethemodule
to reduce startup times when recovering from a Vcc supply interruption. The GPS-PS1E supports a new
enhanced TricklePowerTM Mode. This enables to shut off the CPU independently from the RF part. So in
TricklePowerTM Mode operation there are 3 Modes: Track Mode (RFand CPU on),CPU Mode (CPU on) and
StandbyMode(RFoff,CPUinstand-by).
State Current (typ.)1
TrackMode 140mA
CPUMode 34mA
StandbyMode 0.25mA
Table 3 : TricklePowerTM Mode states
The RF on time (Track Mode) depends on the length of the up-date period. TheCPU on time (CPU Mode)
dependsalsoonthenumberofsatellitesinview.(SeeLow Power Mode Application Noteformoredetails).
ThecurrentsduringthedifferentstatesaregiveninTable3.Thismeansthatthepowersupplymustbecapable
of delivering at least 140mA at 5V, regardless of the average current drawn by the module in TricklePowerTM
Mode.
DuringtheTricklePowerTMmodethefirmwareperiodicallyschedulesephemeriscollectionandRTCcalibrationto
insurethatuseabledataisalwaysavailable.Ephemeriscollectionoccursoncewithina30minutesperiodand
wheneveranewsatelliterisesabovethehorizon.Collectingephemerisdataevery30minutesfor18secondsis
equivalenttorunningthefullreceiver(140mA)foranextra10msataonesecondup-daterate.
Thepower-onscenarioinTricklePowerTMModediffersfromtheoneincontinuousMode.Ifthemodulefailsto
acquire3satelliteswithinagiventime(duetobadvisibilityorverylowsignallevels)themodulegoesintoan
extendedsleepphase.Thelengthofthissleepphaseisdefinedbythedutycycle(up-daterate).Afterthisperiod
themodulewakesupandtriestoacquireapositionfixagain.
FormoredetailedinformationonTricklePowerTMModepleasechecktheLow Power Mode Application Note.
5.3 Customized Operation
TheHitachiSH-7020RISC-CPUprovidesenoughcomputationalpowertoallowtheimplementationofadditional
customerspecificsoftwareintothemodule.Inordertoimplementsoftwareontheon-boardprocessorthe
SoftwareCustomizationKit(GPS-SCK)isrequired.TheSoftwareCustomizationKitincludesadevelopment
platform(compiler)andasub-licenseofthefirmwareonthereceiver.Contactu-bloxforadetaileddiscussionof
thefeasibilityofimplementingaparticularapplication.

1ExcludingAntennaPower(dependsonthetypeofactiveantenna)
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page10
6 TECHNICAL SPECIFICATIONS
6.1 Electrical Specifications
6.1.1 Absolute Maximum Ratings
Parameter Symbol Min Max Units
PowerSupplyVoltage Vcc -0.3 16 V
InputPinVoltage Vin -0.3 6 V
AntennaBiasCurrent Iant 300 mA
StorageTemperature Tstg -55 125 °C
Table 4: Absolute Maximum Ratings
Stressingthedevicebeyondthe“AbsoluteMaximumRatings”maycausepermanentdamage.Thesearestress
ratingsonly.
! GPS-PS1Eisnotprotectedagainstovervoltageorinversevoltages.Ifnecessary,voltagespikesexceedingthe
powersupplyvoltagespecification,givenintableabove,mustbereducedbyusingappropriateprotection
diodes.
6.1.2 Operating Conditions
Parameter Symbol Min Typ Max Units
PowerSupplyVoltage Vcc 4.52 5.0 5.5 V
PowerSupplyVoltageRipple Vcc_ripple 100 mV
BackupBatteryVoltage Vbat 2.0 3.6 V
InputPinVoltage Vin 0 Vcc V
AntennaBiasVoltage(noload) Vant 4.63 4.7 4.77 V
Antennabiasvoltagedrop
@50mA Vant_drop 0.45 V
SupplyCurrent Icc 1403 mA
TricklePowerTMSleepMode
SupplyCurrent Itps 0.25 mA
StandbyBatteryCurrent
@Vbat=3.6V(T=25°C) Ibat 20 uA
StandbyBatteryCurrent
@Vbat=3.3V(T=25°C) Ibat 8 uA
StandbyBatteryCurrent
@Vbat=3.0V(T=25°C) Ibat 6 uA
AntennaBiasVoltageCurrent Iant 50 mA
OperatingTemperature Topr -40 85 °C
Table 5: Operating Conditions
Operationbeyondthe“OperatingConditions”isnotrecommendedandextendedexposurebeyondthe
“OperatingConditions”mayaffectdevicereliability.

2Withoutactiveantenna,withactiveantenna4.9V
3Notincludingcurrentconsumptionoftheactiveantenna(typ~25mA)
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page11
6.2 Pin Description
PleaseseeTable6forthepinidentificationforthe2connectorsoftheGPS-PS1E.
Pin Type Name
1 O TX_B
2 I Vcc
3 O TX_A
4 I Vbat
5 I RX_A
6 O TIMEMARK
7 I RX_B
8 I GND
Table 6: Pin Identification CON A
Pin Type Name
1 NC(reserved)
2 NC(reserved)
3 NC(reserved)
4 I/O RESET
5 NC(reserved)
6 NC(reserved)
7 O Vcc3.3V
8 I Test_I
Table 7: Pin Identification CON B
6.2.1 Serial Interface Signals
All serial interface signals TX_A, RX_A, TX_B and TX_B operate on 3.3V CMOScompatible signal levels. The
Inputs RX_Aand RX_Bare5Vtolerant.Theoutputs are also5VTTLcompatible.IfRS-232compatible signal
levelsarerequiredanexternaldriver(e.g.MAX232)mustbeprovided.
DefaultoperationincludessendingoutSiRF®binarydataformatcompatiblepositiondataonSerialPortAand
accepting RTCM SC-104 differential correction data on Serial Port B. NMEA 0183 position data format can
optionallybeusedinsteadofSiRF®binarydataformat.Seethe u-blox GPS receiver protocol specificationsfor
detailedinformationontheserialprotocols.
The configuration of the receivercan also be changed by using the SiRF® binarycommunication protocol. In
ordertochangethedefaultstart-upconfigurationofthereceiver,thefirmwareonthereceiverhastobeup-
dated.Duringthisup-datethedefaultstart-upconfigurationisset.
UnusedSerialInputPortsshouldbeleftopen.
Port Baud Rate
AandB 4800
9600
19200(default)
38400
Table 8: Available Baud rates
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page12
Using SiRF® binary protocol, the lowest baud rate that can be achieved is 9600. Because of the limited
bandwidth with 9600 baud development data and raw data can only be transmitted at 19200 baud. NMEA
protocolallowsusingbaudratesdownto4800,dependingonthemessagesused.SpecialFunctionSignals
A1PPS4signalisavailableatthetimemarkpin.Thissignalis3.3VCMOSand5VTTLcompatible.
6.2.2 Special Power Pins
A DC-bias voltage for an active antenna is supplied internally. Typically, the voltage required by an active
antennais4.5Vor5V.ThebiasvoltagesuppliedbytheGPS-PS1Eis4.7V.
! SomepassiveantennasareshortsfromaDCpointofview.Connectingsuchapassiveantennawilldamage
theGPS-PS1E.
AnexternalbackupbatterymustbeconnectedtopinVbattoenableRTCoperationandSRAMbackupandto
allowGPSwarmorhotstartsafterpowersupplyinterruption.
Pin Signals Description
Serial I/O
1,3,5,7 TX_A,RX_A,
TX_B,RX_B,
SerialI/Oports.Indefaultconfiguration,GPSdataisoutputon
portA,DGPSdataisinputonportB.
Special Functions
6 TIMEMARK 1pulsepersecond(1PPS)signalofGPS-PS1E.
Power Pins 
2 Vcc 5VSupplyVoltage
8 GND ModuleGround
4 Vbat BackupvoltagesupplyforRTCandSRAM.ConnecttoGND,if
notused.
Table 9: GPS-PS1E Signal Description

41pulse-per-second
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page13
7 HOW TO MAKE IT RUN
ThefollowingaretheminimumoutsideconnectionsonehastoprovidetoallowbasicoperationofGPS-PS1E.If
youplantousemoreofGPS-PS1E'sfunctionalitywithinyourapplication,pleasecontactu-bloxsupport.
1. AntennaUseacablefittedwithM/A-ComSSMTcoaxialconnectortoconnecttheantennatothemodule
(seeTable10).FortheGPS-PS1E-SversionuseaSMBconnector.
2. PowerConnectVccpin2to5V.And,connectGNDpin8toground.Nospecialdecouplingcapacitorsare
necessary.Thepowersupplyshouldbecapableofdeliveringasustainedcurrentofatleast150–170mA,
dependingonthepowerconsumptionoftheactiveantenna.AproperRESETsignalisinternallygenerated.
3. Serial InterfacePins1,3,5and7(RX_[A:B]andTX_[A:B])are3.3VCMOScompatible.TheRXinputsare
also 5V tolerant. The TX outputs are also 5V TTL compatible. If you need different voltage levels, use
appropriatelevelshifters.E.g.inordertoobtainRS-232compatiblelevelsusethe3VcompatibleMAX232
fromMaximorequivalent.GPSdatawillcomeoutofportA.YoucanuseportBtofeedinDGPScorrection
data.
4. Backup Battery Connectabackupbatterytopin4(Vbat)ifyouintendtousethisfeature.Youcanalsouse
asupercap.Thevoltageatthispincanbeanywherebetween2.0Vand3.6V.Forchargingofthesupercap,
connectitspositivepolethroughadiodetoVcc.Ifyoudon'tintendtouseabackupbattery,connectthis
pintoGND.
1PPS SignalOnpin6(TIMEMARK),aone-pulse-per-secondsignalisavailable.
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page14
8 MECHANICAL SPECIFICATIONS
Figure2showsthemechanicaldimensionsofthemodule.
Figure 2: Mechanical Dimensions GPS-PS1E (with M/A-Com SSMT connector)
Theweightofthemoduleisapproximately135gramsincludingthemetalshield.SeeTable10formatchingRF
connectorsfortheGPS-PS1E.
Connector on module Matching Connector
AMPMicroMatch215079-8 RibbonconnectorAMP215083-8
M/A-COMSSMTplug
receptable
M/A-COMSSMT/OSMTRightAngleJackPigtail
PartNumber9960-2100-24
M/A-ComSSMTplug
receptable
M/A-COMSSMT/OSMTtoSMAcableassembly
(100mm)
P/No9960-4100-02
SMBconnectormale(Soption)
IMS81.1524.201
SMBconnectorfemale
Table 10: Matching Connectors
CheckURLbelowformoreinformation:
M/A-COMRF-Connectors: WWW:http://www.macom.com
IMSRFconnectors(SMB)
AMPMicroMatchSeries WWW:http://www.amp.com

516gramswithSMBconnector(GPS-PS1-S)
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page15
Figure 3: Mechanical Dimensions GPS-PS1E-S (with SMB connector)
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page16
Figure 4: Recommended Footprint
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page17
A RELATED DOCUMENTS
GPS-xS1ProtocolSpecification
LoggingOptiononu-bloxGPSreceivers
Performanceofu-bloxGPSreceiversApplicationNote
GPS-xS1FirmwareUpdateManual
Allthesedocumentsareavailableonourhomepage(http://www.u-blox.com).
B CONTACT
Forfurtherinfo,pleasecontactus:
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Phone: +4117227444
Fax: +4117227447
E-mail: info@u-blox.com
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Phone: +49(0)625117566-0
Fax: +49(0)625117566-11
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Tech. Support:
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u-blox Asia Pacific Ltd.
22/F.,CityLandmarkI
68ChungOnStreet
TsuenWan,HongKong
Phone: +852-2941-8877
Fax: +852-2615-2285
E-mail: info_ap@u-blox.com
www.u-blox.com
Tech. Support:
Phone:+4117227474
support_ap@u-blox.com
u-blox Europe Ltd.
BarhamCourt
Maidstone,KentME185BZ
UnitedKingdom
Phone: +441622618628
Fax: +441622618629
E-mail: info_uk@u-blox.co.uk
www.u-blox.co.uk
Tech. Support:
Phone:+441622618628
support_uk@u-blox.co.uk
u-blox America, Inc.
13800CoppermineRoad
Herndon,VA20171
USA
Phone: +1(703)2345290
Fax: +1(703)2345770
E-mail: info_us@u-blox.com
www.u-blox.com
Tech. Support:
Phone:+1(703)2345290
support_us@u-blox.com
GPS-PS1E-DataSheet u-bloxag
GPS.G1-PS1-00002-B Page18
Revision History
Revision
Index
Date Name Status / Comments
- 29.6.99 PE Draft
A 12.11.01 GzB/PB Trademarkedandreformatted
B 9.1.02 GH/PE Preliminaryremoved