Boresight, flight day 179/2023, Siena

[jann]

Flight over Siena airbort with boresight flight configuration.

Data arrived from NERC-ARF via hard drive September/October 2023

PI: Martin Wooster

Sensors:
Fenix1k
IBIS
OWL
PhaseOne

[jann]

Final checks - warning about the real time navigation time stamps was flagged

[wja]

Navigation Processing

Basestation data converted to RINEX. All previous flights are also included in the basestation data, so just this flights data needed to be extracted (done with teqc).

GPS and GLONASS broadcast ephermides, along with precise ephemeris data accessed from CDDIS. PosPac could not access these itself.

Completed processing using the single base method.

[wja]

Owl Processing

Starting boresight processing for the Owl.

[wja]

Fenix Processing

Replaced header wavelengths

[wja]

Owl Boresight

The following (incomplete) notes are my interpretation of the flight logsheet compared to the data:

Logsheet	Filename	Angle	Orientation
1		0	S-N
2		34	N-S
3	3	0	S-N
4	4	34	N-S
5	5	34
6	6	20
7	7	34	S-N
8	8	20
9	9	20
10	10	0	N-S
11	11	20
12	12	0	W-E
13	13	35	E-W
14	14	0	W-E
15	15	20
16	16	20
17	17	20
18	18	20

Preliminary bores has been completed for the nadir lines. However, the mapping does not look correct. Some lines look 'stretched' compared to others... investigating.

Angle	Pitch	Roll	Yaw
0	+0.25	-0.5	+1.0
20
34

[wja]

Owl Boresight

Data looked strange because it was accidentally processing without a DEM! Corrected this and have revised the boresight:

Angle	Pitch	Roll	Yaw
0	+0.00	-0.60	+0.70
20
34

[wja]

Owl Boresight

Completed boresight for nadir and 34 degree looking angle. The 34 degree looking angle is not perfect but was the best fit I can find. Have estimated the 20 degree looking angle boresight from the scaled difference between nadir and 34 degrees.

Angle	Pitch	Roll	Yaw
0	+0.00	-0.60	+0.70
20	-0.15	-0.60	+0.99
34	-0.25	-0.60	+1.20

These can be used with the installation which covers flights 176, 177a, 177b, 178a, 178b, 180a, 180b & 183.