| mecdataid |
| Base Table | mecchannel |
| Attribute Name | mecdataid |
| ColumnName | mecdataid |
| Logical Rolename | |
| RoleName | |
| Definition | Mechanisn data identifier |
| Note | Range: mecdataid > 0 |
| net |
| Base Table | mecchannel |
| Attribute Name | net |
| ColumnName | net |
| Logical Rolename | |
| RoleName | |
| 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 Table | mecchannel |
| Attribute Name | sta |
| ColumnName | sta |
| Logical Rolename | |
| RoleName | |
| 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 Table | mecchannel |
| Attribute Name | seedchan |
| ColumnName | seedchan |
| Logical Rolename | |
| RoleName | |
| 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 Table | mecchannel |
| Attribute Name | location |
| ColumnName | location |
| Logical Rolename | |
| RoleName | |
| 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 |