5.3. SBF2
I
SMR PROGRAM
-x Systems
Exclude one or more satellite systems from the observation
file. Systems may be G (GPS), R (Glonass), E (Galileo),
S (SBAS), C (BeiDou), J (QZSS), I (IRNSS) or any combination thereof.
For instance -xERSCJI produces a GPS-only observation file.
-c DetFreq
Cutoff frequency of the carrier phase detrending filter
(6th order high pass butterworth).
Units of Hz. Valid values
range from 0.01 to 1.0 Hz, default 0.1Hz.
-n NoCols
Output the first NoCols in the ISMR file and discard the others
(see column format below).
By default, -n62 is assumed.
-S
Do not generate the ISMR file, but still print the status
screen.
-g
When computing TEC, do not correct for satellite inter-frequency
biases, i.e. ignore the group delay corrections transmitted by
the satellites in their navigation message.
-r RawFile
Name of the "raw file" containing the raw data
(carrier phase and correlations) in ASCII format.
This
argument is optional.
If not provided, the raw file is
not created. See below the format of the raw file.
-b StartEpoch
Time of first epoch to parse from the SBF file (in GPS time
scale). Format: yyyy-mm-dd_hh:mm:ss.
-e EndEpoch
Time of last epoch to parse from the SBF file (in GPS time
scale). Format: yyyy-mm-dd_hh:mm:ss.
-as
Do not generate ISMR data, but print TEC calibration values using
the SBAS ionospheric corrections as reference.
-ak
Do not generate ISMR data, but print TEC calibration values using
the Klobuchar ionospheric model as reference.
-s Signal
Select a different signal than the default "sig2" and "sig3"
mentioned below.
Supported options for the Signal argument are:
C2B2a : Use B2a as second BeiDou signal type (default is B2I).
E3E6
: Use E6 as third Galileo signal type (default is E5b).
E3E5
: Use E5AltBOC as third Galileo signal type (default is E5b).
Note that multiple -s options can be provided, e.g. -sC2B2a -sE3E6.
-V :
Display the version of sbf2ismr.
-h :
Display this help screen.
Format of the ISMR output file
------------------------------
Note: The default signals available the ISMR file are as follows.
Other signals can
be selected with the -s option.
"Sig1": L1CA for GPS/GLONASS/SBAS/QZSS, E1 for GALILEO, B1I for BeiDou
and L5 for IRNSS.
"Sig2": L2C for GPS/GLONASS/QZSS, E5a for GALILEO, L5 for SBAS, and B2I
for BeiDou.
"Sig3": L5 for GPS/QZSS, E5b for GALILEO, B3 for BeiDou.
Col
1: WN, GPS Week Number
Col
2: TOW, GPS Time of Week (seconds)
Col
3: SVID (see numbering convention in the ’SBF Outline’ section of the Reference Guide)
Col
4: Value of the RxState field of the ReceiverStatus SBF block
Col
5: Azimuth (degrees)
Col
6: Elevation (degrees)
Col
7: Average Sig1 C/N0 over the last minute (dB-Hz)
Col
8: Total S4 on Sig1 (dimensionless)
Col
9: Correction to total S4 on Sig1 (thermal noise component only) (dimensionless)
Col 10: Phi01 on Sig1,
1-second phase sigma (radians)
Col 11: Phi03 on Sig1,
3-second phase sigma (radians)
Col 12: Phi10 on Sig1, 10-second phase sigma (radians)
Col 13: Phi30 on Sig1, 30-second phase sigma (radians)
Col 14: Phi60 on Sig1, 60-second phase sigma (radians)
Col 15: AvgCCD on Sig1, average of code/carrier divergence (meters)
Col 16: SigmaCCD on Sig1, standard deviation of code/carrier divergence (meters)
Col 17: TEC at TOW-45s (TECU), taking calibration into account (see -C option)
Col 18: dTEC from TOW-60s to TOW-45s (TECU)
Col 19: TEC at TOW-30s (TECU), taking calibration into account (see -C option)
Col 20: dTEC from TOW-45s to TOW-30s (TECU)
Col 21: TEC at TOW-15s (TECU), taking calibration into account (see -C option)
Col 22: dTEC from TOW-30s to TOW-15s (TECU)
Col 23: TEC at TOW (TECU), taking calibration into account (see -C option)
Col 24: dTEC from TOW-15s to TOW (TECU)
Col 25: Sig1 lock time (seconds)
Col 26: sbf2ismr version number
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