Helwan Observatory - Helwan (EGYPT)

 
Station code HLW
Coordinates 29.850 , 31.333
Altitude(m) 115

Instruments (mean characteristics):

Galvanometric instruments:
Instr. code* Instr. Name Component
Mass
Tg
k
Al
Notes
Recording period
385007 Benioff seismograph
H
-
1
-
-
-
-
1962-pres
385061 Benioff seismograph
H
-
1
-
-
-
-
1962-pres
386054 Benioff seismograph
Z
-
1
-
-
-
-
1962-pres
398001 Jaggar seismograph
3 comp.
-
hort
-
-
-
-
1972-pres
413066 Milne-Shaw seismograph
N-S
-
12
-
-
-
-
1938-
413005 Milne-Shaw seismograph
E-W
-
12
-
-
-
-
1921-
507001 Sprengnether short period horizontal seismograph
E-W
-
1.5
-
-
-
-
-
507002 Sprengnether short period horizontal seismograph
N-S
-
1.5
-
-
-
-
-
511002 Sprengnether vertical long period seismograph
-
-
15
-
-
-
-
-
509010 Sprengnether vertical short period seismograph
Z
-
1.5
-
-
-
-
-
375009 Wilip vertical seismograph
Z
-
11.16
175
0.05
-
-
-

*In the TROMOS database