Space Weather Monitors SID Users Manual - Stanford Solar Center ...

Space Weather Monitors SID Manual
assigned to you to prevent same ID’s at various sites. You will need to set this value in
the config file.
UTC:
This is a real-time clock according to system time. The MS Windows clock is notorious
for drifting and being too far off. This can cause problems in data comparison with other
SID / AWESOME sites or GOES satellite data. There are methods for keeping the time
synched to UTC. The most inexpensive is to install a program that gets a time served
from the Internet. Using WWV time reference and GPS timestamp are also options. Or,
everyday you could check and set the clock manually.
Port:
The computer needs to know the port, or input plug/location, where your SID monitor
and DATAQ are connected to the computer. This has two lines of data. Line 1 has the
name of the port from the config file. We use the default value of COM*, which means
the computer should look for the DATAQ on communication ports 1 thru 20. When the
actual location is discovered, Line 2 will report both the port discovered and the status. In
the example it was discovered on COM1 and it is on-line.
Should the cable be disconnected for any reason, just plug it back in to the computer (on
any valid port – and it does not have to be the original port). The system will
automatically recover and resume the operation of the current mode (e.g. Data Logging).
** Caution: in the rare situation should your site be using more than one DATAQ device
(that implies more than 4 SIDMON / instruments) you cannot use port definition COM*
and thus the COM ports would no longer be interchangeable.
Device:
This is the analog-to-digital converter (ADC) device. Currently we only support the DI-
194RS from DATAQ Corp.
Channel:
This is the channel number on the analog-to-digital converter (ADC) device. The DI-
194RS from DATAQ Corp. has only 4 analog channels, numbers 1 through 4. As
default, we ship Channel #1 connected with the data cable.
Data Type:
This is the type of data being collected. Your SID monitor produces SID-DATA type.
If nothing is assigned then the channel shows as “Unassigned.”
ID:
This is the data collection’s unique ID. It is the combination of the VLF station being
monitored plus the SIDMON serial number. The general form is
vvv_S-nnnn
where vvv = the VLF station such as NLK, NAA, etc.
nnnn = the 4 digit SIDMON serial number.
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