ALOS-2
Annual observation results
Annual observation results
The global observations of SM3 (StripMap 10m) and W2 (ScanSAR) are continuously conducted every year as the Basic Observation Scenario. The following annual observation results of SM3 and W2 are summarized in the KML files.
Target period
Details of annual observation results
Overview
ALOS-2 annual observation results show the number of observations for each scene during the target periods as above. The results are summarized in the KML and JPEG format for each observation mode/beam respectively.
Observation Mode
SM3（StripMap 10m）and W2（ScanSAR） are included.
Information stored in KML files
The following table shows the contents of KML files.
| No. | Definition | Contents |
| 1 | Path number | 001～207 |
| 2 | Frame number | 0000～7190 |
| 3 | Number of observations | 1～Over 20 |
| 4 | Beam number | Ex.) F2-5 |
| 5 | Orbit direction | A:Ascending D:Descending |
| 6 | Observation direction | R:Right looking L:Left looking |
Beam Number
The following table shows the relationship between the beam number and observation mode/off-nadir angle.
| Beam Number | Observation mode | Off-nadir angle (deg) |
| F2-5 | SM3 （StripMap 10m） | 28.2 |
| F2-6 | 32.7 | |
| F2-7 | 36.2 | |
| W2 | ScanSAR | 34.9 |
Definition of KML file name
The definitions of KML file name are as follows;
•SM3（StripMap 10m）
{Beam Number}_{A/D※1}_{R/L※2}_
{Date of the first observation}_{Date of the last observation}.kml
•W2（ScanSAR）
{Beam Number}_{A/D※1}_{R/L※2}_{Poralization}_
{Date of the first observation}_{Date of the last observation}.kml
※1
A：Ascending
D：Descending
※2
R：Right looking
L：Left looking
Legend of color
The legend below shows the relationship between the color in the KML files and the number of observations.
