mecdataid

Base Entity | mecchannel
Attribute Name | mecdataid
Logical Rolename |
ColumnName | mecdataid
RoleName |
Definition | Mechanisn data identifier
Note |
    Range:		mecdataid > 0

net

Base Entity | mecchannel
Attribute Name | net
Logical Rolename |
ColumnName | net
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 Entity | mecchannel
Attribute Name | sta
Logical Rolename |
ColumnName | sta
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 Entity | mecchannel
Attribute Name | seedchan
Logical Rolename |
ColumnName | seedchan
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 Entity | mecchannel
Attribute Name | location
Logical Rolename |
ColumnName | location
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