====================================================================== Self-Consistency Calibration Test ====================================================================== Run date/time: 2026-06-03 15:04:38 Input Parameters ---------------------------------------------------------------------- Site: NPOL SC equation: WFF Equation parameters: a=2.056e-05, b=0.99279, c=-0.37225 Azimuth range: 180.0-270.0 deg Range: 20.0-80.0 km ZDR bias (subtracted): 0.0 dB dBZ range: 30.0-48.0 Sweep: 1 Input directory: /gv_raid/py_code/pySC/Default_QC/cf/2022/0721 Input Files ---------------------------------------------------------------------- NPOL1_2022_0721_220232.cf NPOL1_2022_0721_221401.cf NPOL1_2022_0721_222531.cf NPOL1_2022_0721_223702.cf NPOL1_2022_0721_224831.cf Total data points collected: 142740 ====================================================================== Iterative Self-Consistency Calibration ====================================================================== ====================================================================== Iteration 0 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 313.74 204.48 8086 31 388.92 272.98 8757 32 446.51 360.28 9406 33 528.59 459.61 9722 34 572.21 549.70 9435 35 584.06 650.29 9048 36 617.15 714.16 8038 37 623.17 773.63 7018 38 597.03 772.34 5661 39 563.64 744.68 4386 40 563.06 701.27 3343 41 564.69 679.01 2590 42 578.85 655.76 2000 43 637.17 684.98 1706 44 699.50 732.35 1469 45 844.03 871.09 1439 46 875.05 979.08 1307 47 1048.01 1173.87 1262 48 1216.45 1491.22 1292 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.04 0.03 8086 8086 0.084 0.69 31.0 0.04 0.03 8757 16843 0.176 0.72 32.0 0.05 0.04 9406 26249 0.274 0.77 33.0 0.05 0.05 9722 35971 0.375 0.80 34.0 0.06 0.06 9435 45406 0.473 0.85 35.0 0.06 0.07 9048 54454 0.567 0.89 36.0 0.08 0.09 8038 62492 0.651 0.93 37.0 0.09 0.11 7018 69510 0.724 0.96 38.0 0.11 0.14 5661 75171 0.783 0.99 39.0 0.13 0.17 4386 79557 0.829 1.01 40.0 0.17 0.21 3343 82900 0.864 1.06 41.0 0.22 0.26 2590 85490 0.891 1.09 42.0 0.29 0.33 2000 87490 0.912 1.10 43.0 0.37 0.40 1706 89196 0.929 1.18 44.0 0.48 0.50 1469 90665 0.945 1.22 45.0 0.59 0.61 1439 92104 0.960 1.35 46.0 0.67 0.75 1307 93411 0.973 1.40 47.0 0.83 0.93 1262 94673 0.987 1.45 48.0 0.94 1.15 1292 95965 1.000 1.50 I1 (integrated measured Kdp) = 12261.82 deg/km I2 (integrated consistency Kdp) = 13470.75 deg/km Iterative Z bias (this pass) = 0.41 dB Total Z bias (cumulative) = 0.41 dB |zbias| = 0.41 dB > 0.1 dB - continuing iteration ====================================================================== Iteration 1 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 344.82 211.40 8428 31 402.25 277.37 8987 32 492.00 363.94 9591 33 542.80 455.15 9681 34 569.91 537.99 9310 35 592.39 614.66 8611 36 632.85 678.42 7661 37 625.47 711.91 6523 38 580.90 699.22 5137 39 557.15 662.77 3933 40 570.17 624.04 2966 41 558.98 604.02 2317 42 593.89 603.46 1855 43 667.74 641.70 1611 44 748.24 702.53 1427 45 877.61 860.48 1432 46 913.89 931.32 1244 47 1135.53 1190.06 1284 48 1328.12 1523.74 1316 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.04 0.03 8428 8428 0.090 0.70 31.0 0.04 0.03 8987 17415 0.187 0.74 32.0 0.05 0.04 9591 27006 0.289 0.79 33.0 0.06 0.05 9681 36687 0.393 0.81 34.0 0.06 0.06 9310 45997 0.493 0.87 35.0 0.07 0.07 8611 54608 0.585 0.90 36.0 0.08 0.09 7661 62269 0.667 0.93 37.0 0.10 0.11 6523 68792 0.737 0.98 38.0 0.11 0.14 5137 73929 0.792 1.00 39.0 0.14 0.17 3933 77862 0.834 1.04 40.0 0.19 0.21 2966 80828 0.866 1.06 41.0 0.24 0.26 2317 83145 0.891 1.10 42.0 0.32 0.33 1855 85000 0.911 1.12 43.0 0.41 0.40 1611 86611 0.928 1.21 44.0 0.52 0.49 1427 88038 0.943 1.27 45.0 0.61 0.60 1432 89470 0.959 1.37 46.0 0.73 0.75 1244 90714 0.972 1.41 47.0 0.88 0.93 1284 91998 0.986 1.47 48.0 1.01 1.16 1316 93314 1.000 1.50 I1 (integrated measured Kdp) = 12734.70 deg/km I2 (integrated consistency Kdp) = 12894.19 deg/km Iterative Z bias (this pass) = 0.05 dB Total Z bias (cumulative) = 0.41 dB Converged: |zbias| <= 0.1 dB ====================================================================== CALIBRATION RESULT ====================================================================== Total Z bias = 0.41 dB Number of iterations = 1 Positive (negative) bias indicates reflectivity is hot (cold). Quality Assessment: ---------------------------------------------------------------------- ✓ All bins (30-48 dBZ) have data ✓ 90th percentile in optimal range: 42 dBZ (40-44 dBZ) ✓ Maximum I1_bin > 200: 1328 ✓ Iterations <= 2: 1 ✓ OVERALL: PASS - Results are RELIABLE ---------------------------------------------------------------------- ====================================================================== End of Calibration Test ======================================================================