Download - 09 - RADIONAVIGATION-LORAN
Chapter 9
Red Bluff, CA Loran Station
Loran - C Pulse
Master - Slave Pair
MasterSlave
A Loran Chain
rayaster
ankee
US Loran System
The “Green” Book
COMDTPUB
P 16562.6
1992 Editionstock number:
050-012-00331-9
9960-X 9960-Y
9960-W
Interpolate
11350
11347.5
11340
LORAN Accuracy
0.1 to 0.25 Nautical Miles
(183 to 458 meters)
LORAN Accuracy
is affected by
Crossing Angle (near 90o)
Gradient (low)
(ratio of TD spacing
to TD difference)
LORAN Accuracy
is degraded
Within 10 nm of Shore
Close to Bridges, Power Lines
and Large Structures
LORAN Repeatability
is
Within 60 feet
Receiver Features:
•Latitude & Longitude
•Speed Over the Ground
•Course Over the Ground
•Cross Track Error (XTE)
•Steer Right or Left
Receiver Features:
•Waypoints (Destinations, enroute & final)
•Course to Steer (Bearing) to Waypoint
•Distance to Go to Waypoint
•Time to Go to Waypoint
Receiver Features:
•Man Overboard Location
•Bearing & Distance to Man Overboard
•Alarms for Arrival, Anchor Watch
• Cross Track Error
•LORAN Signal Alarms
EPIRB
GPIRB