TrimbleR10ReceiverWebHelp
TheKalmanselectionworkssubstantiallybetterthanaLeastSquaressolutioninamobilevehicle
whentherearefrequentsatellitesignaldropoutsaroundbridgesorhighbuildings,andgives
improvedperformancearoundforestedareas.
AKalmansolutionusesthetimehistoryofthepositionandvelocityit
hascreated,whereasaLeast
Squaresoptiondoesnotusethetimehistory.TrimblerecommendsthatyouusetheKalmanfilter.
TheLeastSquaresoptionisavailableforrarecasesifyoudecidetotrialit.
HorizontalPrecision–Therequired horizontalprecisionthatyousettodeterminewhenthe
horizontalqualityindicatoronthereceiverdisplayswitchesfromflashing(precisionthresholdnot
met)tonotflashing(precisionthresholdmet).ItalsodetermineswhenanOmniSTARsolutionhas
initialized.
VerticalPrecision–Therequiredverticalprecisionthatyouset.Thisthresholddetermineswhen
theverticalqualityindicatoronthereceiverdisplay
switchesfromflashing(precisionthresholdnot
met)tonotflashing(precisionthresholdmet).
DGNSSAgeofcorrections–DefinesthemaximumageoftheGPSandGLONASSDGPScorrections
inseconds.Whenthismaximumageisexceeded,thecorrectionsarenotusedintheposition
solution.
ClickOKtoapply
thechangedsettingstothereceiver.
CorrectionControls
SelectReceiverConfiguration/CorrectionControls.
UsethesesettingstomanagetheuseofincomingRTKandDGNSScorrectionstreams.Ifyouare
receivingmorethanonecorrectionstreamorthesamestreamondifferentchannels(suchasradio,
serialport,andEthernet),youcanchoosetoswitchfromone
toanotherbasedonpredefined
criteria.
Thereceiveralwaysattemptstousethemostprecisepositioningsolutionbyusingthefollowing
correctiontypesinorder:
1. RTK.
2. OmniSTARXP/HP/G2.
3. Differential(DGPS,DGNSS).
4. OmniSTARVBS.
5. BeaconDGPS.
6. SBAS.
7. Autonomous.
Thecorrectionstreamsaregroupedintothree
categoriesaccordingtohowtheywillbeprocessed:
RTK
DGNSS
OmniSTAR