| Plot ?
 | Symb ?
 | Source *
 | Average    ? | Thresholds ? | N_ data
 | QC1 parameter
 | Data downloads
 | Remarks | 
	
	  | method | value | unit | method | value | 
| 1 |  | QC1DB | MEDIAN | -0.000203 | microns/pixel | VAL | -0.000203562,-0.000202928 | 5 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_low/25 mas scale | 
| 2 |  | QC1DB | MEDIAN | -9.76e-05 | microns/pixel | VAL | -0.0000976085,-0.0000975727 | 7 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_short/25 mas scale | 
| 3 |  | QC1DB | MEDIAN | -9.7e-05 | microns/pixel | VAL | -0.000097229,-0.000096825 | 7 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_middle/25 mas scale | 
| 4 |  | QC1DB | MEDIAN | -9.65e-05 | microns/pixel | VAL | -0.000096651,-0.000096336 | 6 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_long/25 mas scale | 
| 
 | 
| 5 |  | QC1DB | MEDIAN | -0.000203 | microns/pixel | VAL | -0.000203229,-0.000202874 | 12 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_low/100 mas scale | 
| 6 |  | QC1DB | MEDIAN | -9.76e-05 | microns/pixel | VAL | -0.0000976074,-0.0000975938 | 8 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_short/100 mas scale | 
| 7 |  | QC1DB | MEDIAN | -9.71e-05 | microns/pixel | VAL | -0.000097172,-0.00009701 | 9 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_middle/100 mas scale | 
| 8 |  | QC1DB | MEDIAN | -9.65e-05 | microns/pixel | VAL | -0.000096642,-0.000096389 | 6 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_long/100 mas scale | 
| 
 | 
| 9 |  | QC1DB | MEDIAN | -0.000203 | microns/pixel | VAL | -0.000203199,-0.000202815 | 22 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_low/250 mas scale | 
| 10 |  | QC1DB | MEDIAN | -9.76e-05 | microns/pixel | VAL | -0.0000975968,-0.0000975848 | 43 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_short/250 mas scale | 
| 11 |  | QC1DB | MEDIAN | -9.7e-05 | microns/pixel | VAL | -0.0000970354,-0.0000969426 | 19 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_middle/250 mas scale | 
| 12 |  | QC1DB | MEDIAN | -9.65e-05 | microns/pixel | VAL | -0.000096679,-0.000096358 | 42 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: H_long/250 mas scale | 
| 
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          | *Data sources: QC1DB: QC1 database; LOCAL: local data source |