Jilin-1 03B

Long name	Jilin-1 03B
Short name	JL103B
Sensor type	Optical
Platform	Jilin-1
Key file name (use to open dataset)	JL103B_MMS_yyyymmddhhmmss_nnnnnnnnn_nnn_nnnn_nnn_L1A_MSS_meta.xml
Supported file name extensions	.xml, .tif, .rpc, .jpg
Sections	Data product name and description Distribution disk files Returned data for supported format

Data product name and description

Jilin-1 03 video can acquire high-resolution panchromatic images, multispectral images, night-time-light images, and staring video. Staring imaging can provide Level 1A products in timeframe sequence and Level 1B video products. Night-time-light imaging can provide Level 1A products.

Level 1A products are corrected radiometrically and geometrically.

Processing level	Horizontal accuracy (m)	Description/notes
1A	200	N/A

Spectral bands: Spectral range (nm)	Spatial resolution (m)* (spectral resolution)	Maximum image dimensions (Across track x along track, km)	Swath width (km)	Notes
PAN: B1 (Panchromatic): 500 - 800	0.92	11.0 x 4.6	N/A	N/A
MS: B1 (Red): 580 - 723 B2 (Green): 489 - 585 B3 (Blue): 437 - 512	2.88	11.0 x 4.6	N/A	N/A

* Resolution is always nadir position unless noted otherwise.

Distribution disk files

A Jilin-1 03B data set is organized in a specific folder structure on disk. GDB uses this folder structure and the file names to identify the data product type.

File name convention

The file name convention of Jilin-1-03B data is described as follows, based on a sample file name of JL103B_MMS_yyyymmddhhmmss_aaaaaaaa_bbb_cccc_ddd_L1A_MSS_meta.xml.

Designator	Description
aaaaaaaaa	Mission number
bbb	Segment number
cccc	Scene number
ddd	Product number
LX	Level number (currently 1A)

Warning: Data sets for this sensor are organized in a specific folder structure on disk. GDB uses this structure and the file names to identify the data product type. Do not alter the folder structure or any file names prior to data ingestion to ensure the image data and auxiliary information are imported correctly.

You can open a Jilin-1-03B data set by selecting the key file that corresponds to the data type.

When opening a Jilin-1-03B data set, the files read by GDB are as described in the following table.

File name	Format	Required	Contents/details
*_meta.xml	Extensible Markup Language	Yes	Key file name. Use this file to open the data set.
*.tif	GeoTIFF	Yes	Image data, one file for PAN band or all spectral bands.
*_rpc.txt	Text	Yes	Rational functions model data.
*_ENH.tif	GeoTIFF	Yes	Image data, night-time-light image.
*_ENH_rpc.txt	Text	Yes	RPC file of night-time-light image.
*_thumb.jpg	Joint Photographic Experts Group (JPEG)	Optional	Thumbnail image file.
*.jpg	Joint Photographic Experts Group (JPEG)	Optional	Overview image file.

Returned data for supported format

The following table describes the data structure after it is opened by GDB.

Data product	Data returned	Details
Level 1A (MS)	3 x [8U] raster channels 1 x [ORB] orbit segment 1 x [BIN] rational function model segment	N/A
Level 1A (PAN)	1 x [8U] raster channel 1 x [ORB] orbit segment 1 x [BIN] rational function model segment	N/A