SonTek/YSI
ADVField Software Manual (September 1, 2001) 38
9.2. Extracting Burst Data (GADVHDR)
The
GADVHDR
program extracts the burst header and burst statistics data from an autonomous
ADV data file. The command syntax is:
GADVHDR [ADV file] [burst type] [output file] [first burst] [last burst]
File names must be given without an extension. The program assumes the autonomous ADV data
file has extension
.ADR
, and it assigns the extension
.HDR
to the output file.
If
[burst type]
is not specified,
GADVHDR
will extract data for burst type #1 (acceptable burst
types are 1 through 3). See the ADVField Operation Manual for a description of multiple burst
sampling. Data for only one burst type can be converted at one time.
If
[output file]
is not specified,
GADVHDR
uses the same file name as the data file. If
[first
burst]
and
[last burst]
are not specified, it will extract data for all bursts. For example,
GADVHDR WAVES001
extracts all burst header and statistics data for burst type 1 from
WAVES001.ADR
and places the
output in an ASCII file named
WAVES001.HDR
. As another example,
GADVHDR WAVES001 2 WAVES 10 50
extracts burst header and statistics data for burst type 2, bursts 10 through 50, from file
WAVES001.ADR
to file
WAVES.HDR
.
The output file displays one line for each burst. A series of lines forms a table that can be easily
read by a variety of analysis programs. The following paragraphs describe the ADVField’s
autonomous deployment data structure.
9.3. Recorded Data Structure
Each deployment file contains two types of blocks. The first block in the file contains the hard-
ware and setup configuration for the deployment. This configuration block is created immedi-
ately after you execute the
DEPLOY
command. This block contains a complete description of the
ADV as well as the current settings for all parameters.
After the configuration block, the ADV records one data block for each sampling burst. These
blocks contain the time-series samples collected during the burst as well as the date/time at the
beginning of the burst and other miscellaneous data for the burst:
Configuration Block
Data Block for Burst 1
Data Block for Burst 2
: ::::
Data Block for Burst N
9.3.1. Configuration Block
The “configuration block” of the recorded data structure contains the following information:
• Hardware Configuration (24 bytes)
• Probe Configuration (164 bytes)
• Deployment Parameters (253 bytes)
See Appendix 2 in the ADVField Operation Manual for a complete description of the various
formats of the output data generated by the ADVField during autonomous data collection.
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