A SUMMMIY OF THE CHARACTERISTICS OF SURFACE NAVIGATION SYSTEhB 



SYSTEM FREQUENCY TYPE 



and associated BAND 



names 



MAXIMUM PRESENT 

 RANGE STATUS 

 (Miles) 



PLOTTING ACCURACY EQUIPMENT NEEDED ON 

 METHOD (Average) SHIP 



CONSOL 

 Consolan 

 Sonne 



DECCA 

 NAVIGATOR 



200 to 

 500 fee 



100 kc 



SURVEY DECCA 100 kc 



TWO-RANGE 

 DECCA 



DECTRA 



DELRAC 



EPI 



GEE 



GEODIMETER 

 Mark I, II, 

 III and IV 



100 kc 



100 kc 



10 kc 



2 Mcs 



60 Mcs 



Light 

 waves 



Navigation 1500 miles Used In Bearings 0.5% 



Europe Bearing 



and U.S. 



Navigation 300 miles Used in Hyperbolic 300 ft. 

 Europe , 

 Canada & 

 So. Asia 



Surveying 100 miles Various Hyperbolic 100 ft. 

 countries 



DECCA HI-FEC 2000 kc Surveying 



Experi- Circular 25 to 

 mental or 50 ft. 

 Hyperbolic 



Surveying 100 miles Various Circular 50 ft 

 Countries 



Trackline 2000 miles North Hyperbolic 10 miles 

 Navigation Atlantic 



Navigation 5000 miles Experi- Hyperbolic 5 miles 

 mental 



Surveying 400 miles U.S. 



Circular 300 ft. 



Navigation 100 miles Obsolete Hyperbolic 300 ft. 



Distance 25 miles Various 



Measuring countries 1/500,000 



Low frequency receiver. 



Special receivers 

 and phase meters. 



Special receivers 

 and phase meters . 



Special transmitter 

 and receiver and 

 phase meters for 

 circular use. 



Special receivers, 

 transmitters and 

 phase meters. 



Special receivers 

 and phase meters , 



Special receivers 

 and phase meters . 



Special transmitter 

 and receiver. 



GEE receiver. 



LAMBDA 

 DECCA 



LORAC 



LORAN A 



LORAN B 



100 kc 



2 Mcs 



2 Mcs 



2 Mcs 



Surveying 



Surveying 

 Navigation 



Navigation 



200 miles Experi- 

 mental 



100 miles Various 



countries 



750 miles Atlantic 

 and 

 Pacific 



750 miles Experi- 

 mental 



Circular 100 ft. 



Hyperbolic 



Special transmitter, 

 receivers and phase 

 meters . 



Hyperbolic 1% of the Special Loran Receiver, 

 distance 



Hyperbolic 0.01% of Special Receiver, 

 distance 



LORAN C 



MAP 



MICRODIST 



MPFS 



NAVARHO 



OMEGA 



100 kc 



RADAR 



9 Kmc 



Radar 



100 kc 



10 kc 



Navigation 1500 miles Experi- 

 mental 



Surveying 50 miles New 



Hyperbolic 0.1% of Special Receiver, 

 distance 



PULSED LIGHT Light 

 waves 



Distance 

 Measuring 



Surveying 



Navigation 



Navigation 



Distance 

 measuring 



25 miles Experimen- 

 tal 



50 miles New 



1500 miles Experi- 

 mental 



5000 miles Experi- 

 mental 



5 miles Experi- 

 mental 



Circular 50 ft. 



1/100,000 



Bearings 0.04° 



Bearing 



Hyperbolic 

 Hyperbolic 2 miles 

 3 ft. 



Radar and special 

 MAP attachments. 



Special Radar and 

 control equipment. 



Special Receiver and 

 display unit. 



Special Receiver and 

 display vinit. 



I6l 



