PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-07:43:00
G01     38.4           12.4                1.8 +/-    4.70       4.9 +/-    4.70  0.130 / 0.160
G02     198.9          11.4                0.5 +/-    8.40       1.3 +/-    8.40  0.090 / 0.150
G06     172.6          42.7               14.8 +/-    0.76      20.7 +/-    0.76  0.210 / 0.250
G13     233.6          20.6                8.8 +/-    1.91      19.2 +/-    1.91  0.120 / 0.270
G15     266.1          11.2                6.1 +/-    2.31      16.5 +/-    2.31  0.030 / 0.040
G17     7.7            68.3                7.4 +/-    0.39       7.9 +/-    0.39  0.030 / 0.040
G19     291.6          72.0                8.9 +/-    0.38       9.3 +/-    0.38  0.040 / 0.050
G24     315.7          20.3                3.5 +/-    2.86       7.6 +/-    2.86  0.040 / 0.070
G28     66.9           51.6                9.0 +/-    1.36      11.1 +/-    1.36  0.180 / 0.470
G30     156.5          27.7               12.8 +/-    1.81      23.5 +/-    1.81  0.170 / 0.340