CHAPTER I. GENERAL INSTRUCTIONS 



CONTENTS 



Page 



Time of Observation 3 



Synoptic Reports 3 



Special Reports 3 



Ship's Weather Observations - Form 615-5 3-6 



General 3 



Entry of Data 3-5 



Sea and Swell 6 



Observer's Initials 6 



Mailing 6 



Radio Transmission of Weather Observations 6 



Ships Authorized to Transmit Scheduled Message 6 



Special Reports 6 



Transmission to Shore Stations 6 



Meteorological Radiotelegram, W. B. Form 630-9 6 



Code for Transmission 7-9 



Ordering Supplies 9 



Addresses of Weather Bureau Marine Centers and Port Offices . . 10-12 



OBSERVATION TABLES 

 Table 1-1, - Elements of the Code 



FIGURES 

 Figure 1. - Ship's Weather Observations - 615-5 4-5 



