Seislog for Linux Seismic Data Acquisition System

 
 

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9 MONITORING SEISLOG 
Checking for events. 
Checking for recorded events can be done by looking for event files in the 
events directory, or by using the SEISAN eev program (SEISAN must be 
installed). 
Console commands 
mon
- Monitoring SEISLOG activity (requires that server is running). 
The utility program mon can be used to monitor the current status of 
SEISLOG. Values shown are: 
Station: 
Name of this station 
NCHAN: 
Number of channels 
Timestamp: 
Timestamp current second buffer. The ‘+’ or ‘-‘ sign right after 
the timestamp, indicates weather the timestamp is synchronized 
to GPS or not. 
Correction: Time correction added. Set in the DIG_XXX parameter file. 
SINGDT: 
Single channel trigger flags 
STA:
Short term average each channel 
LTA:
Long term average each channel 
RATIO: 
Current STA/LTA ratio each channel 
DC: 
DC level each channel (counts) 
NDET: 
Current number of channels triggering 
NDETW: 
Current number of channels triggering within array propagation 
window. 
PREBLK: 
Counting buffers from first trigger 

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DETFLG: 
Network trigger flag. 0->no trigger, 1->trigger mode 
RECRD: 
Recording flag 0->no recording, 1->recording mode 
DURATION: Current duration in number of buffers (seconds) of an active 
trigger. 
mon can also be started from a remote machine by giving the ip number of 
the SEISLOG computer as an argument: mon ip-number. 
mon is stopped by pressing any character on the keyboard. 
Mon requires that requests on TCP/IP port 10222 is allowed. See section 
System Setup. 
digitisers
- List digitisers defined for SEISLOG. 
The utillity digitisers lists all digitisers that are defined for SEISLOG. Some are 
under development. The list of supported digitisers will be updated for future 
releases.