Table:
NRLM NASDA/OCTS	NIST SXR	UA UAXR	NASA/GSFC 746/ISIC
Quantity	6	1	1	1
Type (quantity)	Filter (6)	Filter (6)	Filter (7)	Grating (1)
Photodiode (quantity)	Silicon (6)	Silicon (6)	Silicon (3, trap (configuration)	Silicon (1)
Target diameter (mm)	4	45	76	384
Measurement distance (mm)	500	900	900	535
Calibration method	Copper fixed-point blackbody	Radiance standard(sphere)	Irradiance standard lamp(F330)	Irradiance standard lamp(F315)
Saturation radiancea(W m−2 sr−1 μm−1)	5.5 × 106 (443 nm)	67 (442 nm)	≈ 4700 (442 nm)
3.9 × 106 (490 nm)	408 (487 nm)	≈ 4600 (487 nm)
2.7 × 106 (670 nm)	385 (662 nm)	≈ 3200 (667 nm)

Convert the figure into Markdown language.

|  | NRLM NASDA/OCTS | NIST SXR | UA UAXR | NASA/GSFC 746/ISIC | 
 | --- | --- | --- | --- | --- | 
 | Quantity | 6 | 1 | 1 | 1 | 
 | Type (quantity) | Filter (6) | Filter (6) | Filter (7) | Grating (1) | 
 | Photodiode (quantity) | Silicon (6) | Silicon (6) | Silicon (3, trap (configuration) | Silicon (1) | 
 | Target diameter (mm) | 4 | 45 | 76 | 384 | 
 | Measurement distance (mm) | 500 | 900 | 900 | 535 | 
 | Calibration method | Copper fixed-point blackbody | Radiance standard(sphere) | Irradiance standard lamp(F330) | Irradiance standard lamp(F315) | 
 | <ROWSPAN=3> Saturation radiancea(W m−2 sr−1 μm−1) | 5.5 × 106 (443 nm) | 67 (442 nm) | ≈ 4700 (442 nm) |  | 
 | 3.9 × 106 (490 nm) | 408 (487 nm) | ≈ 4600 (487 nm) |  | 
 | 2.7 × 106 (670 nm) | 385 (662 nm) | ≈ 3200 (667 nm) |  |