PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-00:12:50
G01     112.2          22.2                9.1 +/-    1.40      19.1 +/-    1.40  0.040 / 0.070
G07     100.8          58.7                9.2 +/-    0.69      10.6 +/-    0.69  0.070 / 0.060
G08     42.2           22.9                5.9 +/-    1.71      12.1 +/-    1.71  0.120 / 0.210
G09     175.6          18.7                9.7 +/-    1.59      22.1 +/-    1.59  0.110 / 0.190
G11     94.2           42.2                9.2 +/-    0.74      12.9 +/-    0.74  0.040 / 0.040
G13     313.3          25.6                7.1 +/-    1.59      13.6 +/-    1.59  0.040 / 0.030
G17     202.5          34.4               10.7 +/-    0.95      17.1 +/-    0.95  0.200 / 0.230
G18     81.8           22.3                7.7 +/-    0.95      16.1 +/-    0.95  0.090 / 0.200
G28     301.3          58.3                7.5 +/-    1.08       8.6 +/-    1.08  0.120 / 0.190
G30     1.1            74.4                8.0 +/-    0.37       8.3 +/-    0.37  0.150 / 0.180