Positions

Name

01-07

Hull Number (left Justify, blank fill; e.g. WLV-528)

08-14

Call Sign (left Justify, blank fill)

15-16

Month (0 1 - 12)

17-20

Year (e.g. 1966)

21-24

Barometer No. (left Justify, blank fill)

25

Temp indicator (1= C; 2 = F)

26-28

Barometer Correction (e.g. +00 or - 15) decimal implied to tenths

29-34

Date compared (month, day year; e.g. 022166)

35-36

Day (0 1 -31 only)

37

Day of week (1 -7 only)

38

Octant (0-3 and 5-8 only)

39-41

Latitude (tenths of a degree; decimal implied) 000-900 only

42-44

Longitude (tenths of a degree; decimal implied) 000-900 only

45-46

Hour (GCT) 00-23 only

47

Total cloud 0-9; / only

48-49

Wind direction (00-36; 51-86; 99 only)

50

Wind Speed Indicator (measured = 1; estimated = 2; not indicated blank)

51-52

Wind speed (00-99 only)

53-54

Visibility (90-99 only)

55-56

Present weather (00-99 only)

57

Past weather (0-9 only)

58-62

Barometer as read (09000-10800 only) decimal implied; verify first two digits 0 or 10

63-67

Barometer corrected (09000-10800 only) decimal implied; right justified. Verify if first two digits are a 09 or 10 when available.

68-69

Air temperature (50 should be added to value when negative)

70-73

Dry bulb (first position reserved for negative sign, decimal implied) right justified zero fill

74-77

Wet bulb (first position reserved for negative sign, decimal implied) right justified zero fill

78

Low cloud amount (0-9; / only)

79

Low cloud type (0-9; / only)

80

Height of low cloud (0-9; / only)

81

Middle cloud type (0-9; / only)

82

High cloud type (0-9; / only)

83

Course of Ship (0-9 only)

84

Speed of Ship (0-9 only)

85

3 hour pressure tendency (a); 0-8 only

86-87

Amount of change (pp); tenths of millibars, decimal implied

88-90

Sea Water Temperature (decimal implied) right justify zero fill

91-94

Diff Air-Sea (decimal implied) may have leading "-" sign indicating a negative; right justify zero fill

95-96

Dew point (whole degrees); right justify zero fill

97-99

Diff Aff-Sea (coded value)

99-100

Dew Point (rounded); right justify zero fill

101-102

Sea/Swell Direction (00-36, 49-96, 99)

103

Sea/Swell Period (cod4- 0-9,

104

Sea/Swell Height.(cod4- 0-9,

105-106

Swell Direction (if second pattern observed); 00-36,49-96,99

107

Swell Period (coded, 0-9, /)

108

Swell Height (coded, 0-9, /)

 

 
 

NOTE: a solidus "/" is usually keyed as a dash "-".