FIELD

COLUMN

STORAGE

EXTERNAL

CHARACTER

DESCRIPTION

NUMBER

TYPE

FORMAT

POSITION

1

sta

varchar2(6)

a6

1-6

station code

2

time

f1oat(53)

f17.5

8-24

epoch time

3

arid

number(9)

i9

26-34

arrival identifier

4

jdate

number(8)

i8

36-43

julian date

5

stassid

number(9)

i9

45-53

arrival group identification

6

chanid

number(8)

i8

55-62

instrument identifier

7

chan

varchar2(8)

a8

64-71

channel code

8

iphase

varchar2(8)

a8

73-80

reported phase

9

stype

varchar2(1 )

a1

82-82

signal type

10

deltim

f1oat(24)

f6.3

84-89

time uncertainty

11

azimuth

f1oat(24)

f7.2

91-97

observed azimuth

12

delaz

f1oat(24)

f7.2

99-105

azimuth uncertainty

13

slow

f1oat(24)

f7.2

107-113

observed slowness, seconds/degree

14

delslo

f1oat(24)

f7.2

115-121

slowness uncertainty

15

ema

f1oat(24)

f7.2

123-129

emergence angle

16

rect

f1oat(24)

f7.3

131-137

rectilinearity

17

amp

f1oat(24 )

f11.2

139-149

amplitude, instrument corrected

18

per

f1oat(24 )

f7.2

151-157

period

19

logat

f1oat(24)

f7.2

159-165

log (amp/per)

20

clip

varchar2( 1)

a1

167-167

clipped flag

21

fm

varchar2(2)

a2

169-170

first motion

22

snr

f1oat(24)

f10.2

172-181

signal-to-nose ratio

23

qual

varchar2(1)

a1

183-183

signal onset quality

24

auth

varchar2(15)

a15

185-199

author

25

commid

number(9)

i9

201-209

comment identifier

26

Iddate

date

a19

211-229

load date

Keys:

Primary

arid

Unique

sta time chan phase auth

Foreign

chanid, commid

Data:

Descriptive

sta, chan, iphase stype

Measurement

time, jdate, deltim, azimuth, delaz, slow, delsla, ema, rect, amp, per, logat, clipfm, snr, qual

Administrative

auth lddate