| Plot ?
 | Symb ?
 | Source *
 | Average    ? | Thresholds ? | N_ data
 | QC1 parameter
 | Data downloads
 | Remarks | 
	
	  | method | value | unit | method | value | 
| 1 |  | QC1DB | MEDIAN | 1.61e-09 | microns/pix^2 | VAL | 0.000000001274,0.000000001954 | 5 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_low/25 mas scale | 
| 2 |  | QC1DB | MEDIAN | 3.1e-11 | microns/pix^2 | VAL | 0.0000000000238,0.0000000000442 | 7 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_short/25 mas scale | 
| 3 |  | QC1DB | MEDIAN | -2.15e-10 | microns/pix^2 | VAL | -0.00000000046,0.00000000001 | 7 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_middle/25 mas scale | 
| 4 |  | QC1DB | MEDIAN | -3.68e-10 | microns/pix^2 | VAL | -0.000000000494,-0.000000000238 | 6 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_long/25 mas scale | 
| 
 | 
| 5 |  | QC1DB | MEDIAN | 1.4e-09 | microns/pix^2 | VAL | 0.000000001217,0.000000001545 | 12 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_low/100 mas scale | 
| 6 |  | QC1DB | MEDIAN | 4.14e-11 | microns/pix^2 | VAL | 0.00000000003904,0.00000000004597 | 8 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_short/100 mas scale | 
| 7 |  | QC1DB | MEDIAN | -1.69e-10 | microns/pix^2 | VAL | -0.000000000247,-0.000000000059 | 9 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_middle/100 mas scale | 
| 8 |  | QC1DB | MEDIAN | -3.25e-10 | microns/pix^2 | VAL | -0.000000000471,-0.000000000229 | 6 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_long/100 mas scale | 
| 
 | 
| 9 |  | QC1DB | MEDIAN | 1.39e-09 | microns/pix^2 | VAL | 0.000000001205,0.000000001538 | 22 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_low/250 mas scale | 
| 10 |  | QC1DB | MEDIAN | 4.61e-11 | microns/pix^2 | VAL | 0.000000000037,0.0000000000599 | 43 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_short/250 mas scale | 
| 11 |  | QC1DB | MEDIAN | -2.77e-10 | microns/pix^2 | VAL | -0.000000000335,-0.000000000203 | 19 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_middle/250 mas scale | 
| 12 |  | QC1DB | MEDIAN | -3.45e-10 | microns/pix^2 | VAL | -0.000000000499,-0.000000000164 | 42 | qc_wave_c2_med | this |
    last_yr |
    all | C2 coeff wavelength (microns/pix^2):: H_long/250 mas scale | 
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          | *Data sources: QC1DB: QC1 database; LOCAL: local data source |