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PCTSCAN.DOC
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1991-12-05
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P C T S C A N PC-TRACK Satellite Pass Summary Utility
Version 1.0 12/2/91
Copyright (c) 1991 Thomas C. Johnson
PCTSCAN generates satellite pass summaries for up to 8 satellites for one
tracking station. PCTSCAN uses the PC-TRACK files OBJECTS.DAT and
OBSERVER.DAT for satellite and station data. It also uses SYSTEM.DEF file
to determine which satellites and station to generate summaries for. The
defaults set up during CONFIG SYSTEM in PC-TRACK are used. PCTSCAN uses
the data path in SYSTEM.DEF to know where to look for OBJECTS.DAT and
OBSERVER.DAT. PCTSCAN must be in the same directory as SYSTEM.DEF.
PCTSCAN takes up to three optional arguments as follows:
PCTSCAN [/Ofilespec] [/Dstartdate] [/Nnumberofdays]
/Ofilespec
Where "filespec" is the name and path of the output file which will
contain the summary information produced by PCTSCAN. The default
filespec is SCAN.DAT. To send data to the printer, you may enter
"prn" as the filespec.
/Dstartdate
Where "startdate" is the date of the first day to be scanned. Format for
startdate is MM/DD/YY where MM is the month from 01 to 12, DD is the day
of the month from 01 to 31, and YY is the last two digits of the year, from
00 to 99. The default date is the day following the current system date.
/Nnumberofdays
Where "numberofdays" is the number of days to be scanned starting with
"startdate". The default number of days to scan is 1.
The /F, /D, and /N arguments may be given in any order.
PCTSCAN can be terminated at any time by pressing the ESC key. Processing
will terminate and any pass data computed thus far will be written to the
output destination.
PCTSCAN generates summary information for each satellite for each in-range
pass for the number of days designated before moving on to the next
satellite. Once all satellites are scanned for all days designated, the
data is sorted according to Acquisition Of Signal (AOS) date and time.
PCTSCAN sends summary information to the designated output file in the
format shown below. Each line is terminated by a CR/LF.
Sample scan report:
P C T S C A N PC-Track Satellite Pass Summary Utility
Version 1.0 12/2/91
Copyright (c) 1991 Thomas C. Johnson
Scan Report for Dayton
OBJECT AOS AOS CPA MAX LOS TIME IN PASS
NAME DATE TIME TIME ELEV TIME RANGE DIRECTION
(UTC) (UTC) (UTC) (UTC)
---------------------------------------------------------------------------------
GPS BII-01 12/04/1991 08:12:54 10:25:57 29.3 12:22:30 04:09:35 NORTHWARD
GPS BII-01 12/04/1991 22:50:39 01:26:13 47.1 03:59:51 05:09:11 SOUTHWARD
Scan report fields:
Scan report for ________ : Name of tracking station report is generated for.
Object Name : Name of satellite
AOS Date : Date of Acquisition Of Signal (AOS).
AOS Time : Time of Acquisition Of Signal.
CPA Time : Time of Closest Point Of Approach (CPA)
MAX Elev : Maximum Elevation (elevation at CPA).
LOS Time : Time of Loss Of Signal (LOS).
Time In Range : Total time in range (LOS - AOS)
Pass Direction : Direction of satellite pass
Northward starts from south and goes north.
Southward starts from north and goes south.
Dates are given in the format MM/DD/YYYY where MM is the month, DD is the day
of the month, and YYYY is the year.
Times are given in the format HH:MM:SS where HH is the hours, MM is the
minutes, and SS is the seconds. Times are Coordinated Universal Time (UTC) or
Local (LOCAL) depending on the configuration in SYSTEM.DEF set while in
CONFIG SYSTEM in PCTRACK.