PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-03:27:50
G01     40.6           15.4                2.8 +/-    0.76       6.8 +/-    0.76  0.040 / 0.030
G02     198.7          11.1                1.6 +/-    8.38       4.4 +/-    8.38  0.030 / 0.040
G06     176.8          38.6                6.5 +/-    1.19       9.6 +/-    1.19  0.050 / 0.080
G13     237.4          21.1                7.2 +/-    1.56      15.3 +/-    1.56  0.050 / 0.090
G15     268.9          12.0                4.8 +/-    1.18      12.9 +/-    1.18  0.140 / 0.340
G17     1.2            70.1                5.1 +/-    0.40       5.4 +/-    0.40  0.190 / 0.400
G19     283.2          70.1                5.2 +/-    0.32       5.5 +/-    0.32  0.160 / 0.290
G24     316.4          19.6                4.2 +/-    1.88       9.2 +/-    1.88  0.130 / 0.300
G28     74.1           45.7                4.3 +/-    0.72       5.8 +/-    0.72  0.160 / 0.340
G30     153.7          22.3                6.8 +/-    1.28      14.1 +/-    1.28  0.240 / 0.430