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["Magnetic Vessel Heading",45,{"$f":"needle(\"Vessel\",B1)","v":45},null,null,null,null,0,"Fore"]
["Magnetic bearing to target",135,{"$f":"needle(\"BearingToTarget\", B2)","v":135},null,null,null,null,45,"Starboard"]
["Relative bearing",{"$f":"MOD(360-MOD(B1-B2,360),360)","v":90},"=MOD(360-MOD(B1-B2,360),360)",null,null,null,null,135,"Aft"]
[null,null,null,null,null,null,null,225,"Port"]
[null,null,null,null,null,null,null,315,"Fore"]
["Look this way relative to the vessel to see the target:",{"$f":"VLOOKUP(B3,H1:I6,2)","v":"Starboard"},"=VLOOKUP(B3,H1:I6,2)"]