PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/22-22:42:30
G03     210.5          55.8                8.1 +/-    1.15       9.6 +/-    1.15  0.090 / 0.180
G07     259.9          19.2                7.7 +/-    2.40      17.4 +/-    2.40  0.060 / 0.170
G09     312.3          32.2                5.3 +/-    1.36       8.9 +/-    1.36  0.040 / 0.050
G16     91.6           64.7                8.1 +/-    0.51       8.8 +/-    0.51  0.050 / 0.040
G22     188.3          39.2                8.9 +/-    1.72      13.2 +/-    1.72  0.170 / 0.240
G23     329.9          60.2                5.6 +/-    1.15       6.4 +/-    1.15  0.170 / 0.330
G26     53.2           43.7                5.8 +/-    1.05       7.9 +/-    1.05  0.040 / 0.050
G27     134.7          11.5                2.0 +/-   32.82       5.4 +/-   32.82  0.050 / 0.050
G31     59.7           12.0                4.7 +/-    1.37      12.5 +/-    1.37  0.050 / 0.080