PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/14-15:58:00
G01     249.4          34.4               12.3 +/-    1.75      19.7 +/-    1.75  0.110 / 0.410
G03     315.2          50.2                9.8 +/-    1.28      12.4 +/-    1.28  0.170 / 0.330
G11     238.6          11.9               10.9 +/-    2.51      29.1 +/-    2.51  0.050 / 0.090
G14     60.3           41.7                8.9 +/-    1.88      12.5 +/-    1.88  0.040 / 0.090
G22     299.8          70.4                9.6 +/-    0.36      10.2 +/-    0.36  0.030 / 0.030
G23     289.0          22.5               10.5 +/-    2.32      21.8 +/-    2.32  0.040 / 0.040
G25     39.2           9.8                 8.7 +/-    1.72      24.3 +/-    1.72  0.030 / 0.040
G26     133.3          39.8               14.2 +/-    0.95      20.7 +/-    0.95  0.030 / 0.040
G31     40.8           55.4                9.8 +/-    0.75      11.7 +/-    0.75  0.080 / 0.090
G32     79.3           20.9               10.9 +/-    3.05      23.5 +/-    3.05  0.120 / 0.120