25 



Daily dispatches and radio broadcasts have been sent as follows: 



(a) At 6 a. m. and 6 p. m., seventy-fifth meridian time, ice informa- 

 tion has been broadcasted on 600-meter wave length (spark), and one 

 hour later the same information has been broadcasted on 1,621 CW. 



(5) Daily, at 8 p. m., seventy-fifth meridian time, information 

 has been sent to Hydrographie Office, Washington. 



(c) Daily weather reports have been sent to Washington. 



Owing to inability to communicate with Bar Harbor, excejDt inter- 

 mittently, only a few weather reports from selected positions in the 

 North xVtlantic were transmitted in compliance with request of the 

 United States Weather Bureau. 



COAST GUARD CUTTER "MODOC," LIEUT. COMMANDER L. T. 

 CHALKER, ICE PATROL, SECOND CRUISE, MAY 4 TO MAY 19, 



1924 



The Modoc left Halifax, Nova Scotia, at 8.45 a. m. May 3, 1924. 

 After clearing the harbor, radio communication was established with 

 the Tampa, and, as she was in the vicinity of Cape Race, a course 

 was set to pass north of Sable Island. At 1 p. m. May 4 contact 

 was made with the Tampa in 45° 39' north, 57° 31' west. Lieut. 

 E. H. Smith, observer, and Yeoman, Second Class, R. W. Lewis, 

 his assistant, were transferred from the Ta^npa to the Modoc. Mail 

 was delivered to the Tampa and that vessel relieved of patrol duty. 

 On leaving Halifax up to the time of relieving the Tampa the 

 weather was very fine, the sky was mostly clear, visibility excellent, 

 sea smooth, light to gentle SE. breezes prevailing. The barometer 

 range was from 30.02 to 30.11. At 1.40 p. m. on the 4th a fog shut in 

 and the barometer began to fall slowdy. At 2.20 p. m, went ahead at 

 reduced speed in a thick fog to run a line of oceanographic stations 

 along the western edge of the Grand Banks. 



The weather from midnight of the 4th until 9 p. m. of the 5th was 

 overcast and fogg}^, with rain squalls before 4 a. m. There was a 

 strong S. breeze at midnight, which had shifted to SW. and fallen to 

 a gentle breeze by noon of the 5th. The barometer at noon was 29.93 

 and stationary. At 9 p. m. the fog cleared away but the horizon 

 remained hazy. During the clay cruised to the southward at re- 

 duced speed along the western side of the Grand Banks, stopping at 

 5.37 a. m. to occup}' oceanographic station No. 443 and at 9 p. m. to 

 occupy station No. 444. Drifted for the remainder of the night. 

 No ice was reported this day. 



Special ice information was furnished the Leviathan. 



While drifting for the night, several Leach's petrel flew on board, 

 and after resting for a short time flew away again. They were evi- 

 dently attracted or blinded by the lights of the vessel. At 4.30 a. m. 

 of the 6th went ahead and continued cruising to the south 



