De Bilt Observatory - De Bilt (NEDERLAND)

 
Station code DBN
Coordinates 52.102 , 5.177
Altitude(m) 3

Instruments (mean characteristics):

Mechanical Instruments:
Instr. code* Instr. Name
Component
Mass
To
Damp.
Vo
Mass dir.
Notes
Recording period
380021 Bosch horizontal pendulum
N-S
25
18
4
20
+
-
-
380008 Bosch horizontal pendulum
E-W
25
18
4
20
+
-
-
336016 Wiechert horizontal astatic seismograph weighing 200 kg
E-W
200
5,5
4,4
170,170
+,+
-
-

Galvanometric instruments:
Instr. code* Instr. Name Component
Mass
Tg
k
Al
Notes
Recording period
362005 Galitzin galvanometrical recording seismograph for vertical component
Z
-
12
175
0
1380
-
-
338029 Galitzin horizontal seismograph
E-W
-
25
11
0
1380
-
-
338030 Galitzin horizontal seismograph
N-S
-
25
11
0
1380
-
-
352006 Press Ewing siesmograph
Z
-
-
-
-
-
-
1962-1999
352005 Press Ewing siesmograph
E-W
-
-
-
-
-
-
1962-1999
352004 Press Ewing siesmograph
N-S
-
-
-
-
-
-
1962-1999
252003 Von Rebeur-Paschwitz horizontal pendula
NW-SE
-
-
-
-
-
-
1904-
252002 Von Rebeur-Paschwitz horizontal pendula
NE-SW
-
-
-
-
-
-
1904-

*In the TROMOS database