net 
Base Entity  stacorrections 
Attribute Name  net 
Logical Rolename  net 
ColumnName  net 
RoleName  net 
Definition  Unique network identifier. This character string is the name of a seismic network 
Note  Range: Any free-format string up to 8 characters. If available, use the two character FDSN code for the network 

sta 
Base Entity  stacorrections 
Attribute Name  sta 
Logical Rolename  sta 
ColumnName  sta 
RoleName  sta 
Definition  Station code. This is the common code-name of a seismic observatory. Generally only three or four characters are used 
Note  Range: Any free-format string up to 6 characters 

seedchan 
Base Entity  stacorrections 
Attribute Name  seedchan 
Logical Rolename  seedchan 
ColumnName  seedchan 
RoleName  seedchan 
Definition  SEED channel name. The first character denotes the band code, the second for the instrument code and the third represents the component code 
Note  Range: seedchan = {E | S | H | B | M | L | V | U | R} U {A | B | D | F | G | H | I | K | L | M | P | R | S | V | T | W} U {Z | N | E | A | B | C | T | R | 1 | 2 | 3 | U | V | W} Band code: Sample rate (Hz) Corner period (sec) E = extremely short period ³ 80 < 10 S = short period ³ 10 to < 80 < 10 H = high broad band ³ 80 ³ 10 B = broad band ³ 10 to < 80 ³ 10 M = mid period > 1 to < 10 L = long period ~ 1 V = very long period ~ 0.1 U = ultra long period ~ 0.01 R = extremely long period ~ 0.001 Instrument code: A = tiltmeter B = creepmeter D = pressure F = magnetometer G = gravimeter/accelerometer H = high gain seismometer I = humidity K = temperature L = low gain seismometer M = mass position seismometer P = geophone R = rainfall S = linear strainmeter V = volumetric strain T = tide meter W = wind Component code: N = north-south E = east-west T = transverse R = radial Z = vertical A, B, C = triaxial 1, 2, 3 = orthogonal components but non-traditional orientations U, V, W = optional components  

location 
Base Entity  stacorrections 
Attribute Name  location 
Logical Rolename  location 
ColumnName  location 
RoleName  location 
Definition  Describes the individual sites on an array station, operated by the same network operator 
Note  Range: Any free-format string up to 2 characters long 

ondate 
Base Entity  stacorrections 
Attribute Name  ondate 
Logical Rolename  ondate 
ColumnName  ondate 
RoleName  ondate 
Definition  This attribute denotes the start date 
Note  Range: Any valid date between January 01, 4712 BC and January 01, 4712 AD Units: YYYY/MM/DD HH24:MI:SS  

channel 
Base Entity  stacorrections 
Attribute Name  channel 
Logical Rolename  channel 
ColumnName  channel 
RoleName  channel 
Definition  Channel name 
Note  Range: Any valid channel name, which may be network-specific. Networks using SEED channel names should use the same value for channel and seedchan 

channelsrc 
Base Entity  stacorrections 
Attribute Name  channelsrc 
Logical Rolename  channelsrc 
ColumnName  channelsrc 
RoleName  channelsrc 
Definition  Domain for channel. This specifies what naming convention is used for the channel name (i.e. SEED, USGS, etc.) 
Note  Range: Any free-format string up to 8 characters long 

auth 
Base Entity  stacorrections 
Attribute Name  auth 
Logical Rolename  auth 
ColumnName  auth 
RoleName  auth 
Definition  The auth field specifies the source of the information. This may be a network identifier (FDSN or otherwise), or any other string indicating the source of the information in the record 
Note  Range: Any free-format string up to 15 characters 

corr 
Base Entity  stacorrections 
Attribute Name  corr 
Logical Rolename  corr 
ColumnName  corr 
RoleName  corr 
Definition  This attribute denotes the correction for the magnitude specified in corr_type 
Note   

corr_flag 
Base Entity  stacorrections 
Attribute Name  corr_flag 
Logical Rolename  corr_flag 
ColumnName  corr_flag 
RoleName  corr_flag 
Definition  This attribute denotes if the magnitude correction is the default value, a value that is still being updated, or a frozen value, which is no longer updated 
Note   

corr_type 
Base Entity  stacorrections 
Attribute Name  corr_type 
Logical Rolename  corr_type 
ColumnName  corr_type 
RoleName  corr_type 
Definition  This attribute denotes the magnitude type for which the correction is valid 
Note   

offdate 
Base Entity  stacorrections 
Attribute Name  offdate 
Logical Rolename  offdate 
ColumnName  offdate 
RoleName  offdate 
Definition  This attribute denotes the end date 
Note  Range: Any valid date between January 01, 4712 BC and January 01, 4712 AD Units: YYYY/MM/DD HH24:MI:SS  

lddate 
Base Entity  stacorrections 
Attribute Name  lddate 
Logical Rolename  lddate 
ColumnName  lddate 
RoleName  lddate 
Definition  Load date. Date and time that the record was created or last modified, in Oracle date datatype 
Note  Range: Any valid date between January 01, 4712 BC and January 01, 4712 AD Units: YYYY/MM/DD HH24:MI:SS