| Plot ?
 | Symb ?
 | Source *
 | Average    ? | Thresholds ? | N_ data
 | QC1 parameter
 | Data downloads
 | Remarks | 
	
	  | method | value | unit | method | value | 
| 1 |  | QC1DB | MEDIAN | -0.000256 | microns/pixel | VAL | -0.0002563,-0.00025526 | 12 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_low/25 mas scale | 
| 2 |  | QC1DB | MEDIAN | -0.000131 | microns/pixel | VAL | -0.000131028,-0.000130288 | 6 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_short/25 mas scale | 
| 3 |  | QC1DB | MEDIAN | -0.00013 | microns/pixel | VAL | -0.00013033,-0.00012918 | 8 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_middle/25 mas scale | 
| 4 |  | QC1DB | MEDIAN | -0.000131 | microns/pixel | VAL | -0.000130991,-0.000130304 | 17 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_long/25 mas scale | 
| 
 | 
| 5 |  | QC1DB | MEDIAN | -0.000256 | microns/pixel | VAL | -0.000256117,-0.000255608 | 10 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_low/100 mas scale | 
| 6 |  | QC1DB | MEDIAN | -0.00013 | microns/pixel | VAL | -0.000130581,-0.000130314 | 12 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_short/100 mas scale | 
| 7 |  | QC1DB | MEDIAN | -0.00013 | microns/pixel | VAL | -0.000129985,-0.000129767 | 10 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_middle/100 mas scale | 
| 8 |  | QC1DB | MEDIAN | -0.000131 | microns/pixel | VAL | -0.000130764,-0.000130353 | 11 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_long/100 mas scale | 
| 
 | 
| 9 |  | QC1DB | MEDIAN | -0.000256 | microns/pixel | VAL | -0.000255959,-0.000255527 | 35 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_low/250 mas scale | 
| 10 |  | QC1DB | MEDIAN | -0.00013 | microns/pixel | VAL | -0.00013057,-0.000130284 | 42 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_short/250 mas scale | 
| 11 |  | QC1DB | MEDIAN | -0.00013 | microns/pixel | VAL | -0.000129972,-0.000129816 | 14 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_middle/250 mas scale | 
| 12 |  | QC1DB | MEDIAN | -0.00013 | microns/pixel | VAL | -0.000130641,-0.000130368 | 41 | qc_wave_c1_med | this |
    last_yr |
    all | C1 coeff wavelength (microns/pixel):: K_long/250 mas scale | 
| 
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          | *Data sources: QC1DB: QC1 database; LOCAL: local data source |