PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-06:57:50
G02     200.9          30.5                5.0 +/-    1.52       8.7 +/-    1.52  0.210 / 0.680
G06     164.2          62.9                8.8 +/-    0.30       9.8 +/-    0.30  0.220 / 0.450
G12     304.2          13.2                5.8 +/-    4.25      15.1 +/-    4.25  0.200 / 0.290
G17     31.0           53.0                6.3 +/-    0.87       7.7 +/-    0.87  0.210 / 0.230
G19     353.3          67.9                4.5 +/-    0.59       4.8 +/-    0.59  0.060 / 0.100
G24     304.3          33.7                4.7 +/-    1.95       7.6 +/-    1.95  0.080 / 0.080
G28     91.0           42.3                7.7 +/-    0.90      10.7 +/-    0.90  0.070 / 0.030
G30     159.0          10.5                5.8 +/-    2.28      16.0 +/-    2.28  0.040 / 0.050