PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-12:57:20
G02     210.8          47.4                5.6 +/-    1.01       7.3 +/-    1.01  0.050 / 0.080
G06     94.7           79.1                3.5 +/-    0.41       3.6 +/-    0.41  0.070 / 0.070
G12     315.8          30.3                5.8 +/-    1.76      10.1 +/-    1.76  0.050 / 0.040
G17     50.9           36.6                1.3 +/-    1.23       2.0 +/-    1.23  0.040 / 0.040
G19     21.1           58.1                4.5 +/-    0.48       5.2 +/-    0.48  0.110 / 0.120
G24     274.3          43.5                4.4 +/-    1.42       6.1 +/-    1.42  0.080 / 0.090
G28     115.6          21.3                4.7 +/-    2.30      10.1 +/-    2.30  0.030 / 0.020