Interphase Tech Star Pilot 6 manual AdvancedlVavigationGuide

	Waypoint
		BearlngTo
		Waypoinl
			(BRG)
				RangeTo
Course			,,/	Waypoinl
	I			(RNG)
Line \
	I	-t
	L			Presenl
				Position
		Cross
Distance		Track
		Error
Made		(xrE)
Good -		\-	Course
(DMG)			MadeGood
				(cMG)

Waypoint

BearingTo waypoint(BRG)

Speed

*- Over

Ground

AdvancedlVavigationGuide

The Star Pilot 6 is designedto be theeasiestto useGPSsystern availabletoday.The previoussectionsof theoperationmanualhave detailedthebasicsof installationandoperationof theStar Pilot 6. To utilizethesystemto its optimum.thefirllowrngsectionon navigationshouldbe studicd.By becomingntorefamiliarwith these navigationalandGPStermsandconcepts,you will increaseyour own navigationalskills.

GPS Modes

The Star Pilot 6 operatesin an automaticGPSMode.Whenthree satellitesareavailable2D. fixesfirr latitudcandlongitudearegiven. If tbur satellitesareavailable3D. fixesfor latitudelorrgitude.and altitudeareqiven.

NavigationalTerms

LATITUDE/LONGITUDE (LATiLON) Latitudeis thedistance measuredin degreesNorth andSouthof thecquatorLongitude.is the clrstancerneasuredin degreesWestandEastof thc prirnemeridianat

GrccnwichEngland. .

SPEED OVER (;ROUND (SO(;) This is thetrLrcspeedcalculated from thetime anddistanceover thegrouncly'ouhavetravelledSOG. c'loesnot considerwatcrsne-cdor clcstinationfor rtscalculations.

COURSE OVER (;ROUND (C(X;) Thisis thetruecourseover thegroundon which you arecurrentlvhcailing.

CROSSTRACK FIRROR(Xl'Fl)Thisis tlrcdistanccol'yourboat, eitherlefi or right.frorl theclesirccltrack(startpointto clestination).

RAN(;E (RNG) Distanccl'rontpresctrlpositiortto thesclected way'point.

BEARING (BR(;) Anglel'ronrTrue(rnagncticlNorthto thc wavpointal prescntptrsitiori .

Speed Of

(SOGon

Advance

COG line)

ESTIMATF . D'[IMEof ARRIVAI - (F . T,\) This is an estimate

(SOAonPresent

BRGline)

Position

Course -z

Llne

Start

baseclon thecurrenttirneancl TIME TO GO tTTGl ot'whenyou 1'our

will getto the selectedwaypoint.

TIME TO GO (TT(;) This is calculatcdI'romtheclrrrentdistanceto

-eo(DTG) to your destinationanclyour VELOCITY MADE GOOD (VMG) of how longit will takcyou to getto thesclectcdrvitrpoint .

VELOCITY MADE GOOD (VMG) This is theportionof your boat'sspeedthatis parallelto yourdesiredtrack(startpointto destination)VMG. is especiallyusefulfbr sailin-eboatswhereclosing speedon thedesiredwaypointis displayedregardlessof'courseor bearingchanges(tacking)madeenroute.

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