COASTAL CURRENTS, ATLANTIC COAST 41 



Table 7. — Current Harmonic Constants, Atlantic Coast Lightships — Con. 



Vineyard Sound Lightship 



Two 29-day serias, 1913. Magnetic variation 13° west 



M2- 



0.449 

 0.034 



153 

 92 



295 

 16 



0.169 

 0.029 



252 

 259 



34 

 183 



Bartlett Reef Lightship 



87 days beginning September 27, 1913. Magnetic variation 11° west 



Ambrose Channel Lightship (1912-22 position) 



87 days beginning November 5, 1912. Magnetic variation 10° west 



Scotland Lightship 



87 days beginning November 6, 1912. Magnetic variation 10° west 



Fenwick Island Shoal Lightship 



87 days beginning November 5, 1912. Magnetic variation 7° west 



Cape Charles Lightship 



87 days beginning June 2, 1912. Directions are true 



