PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-12:57:40
G10     100.2          44.0                4.9 +/-    0.75       6.7 +/-    0.75  0.040 / 0.050
G11     290.1          26.6                5.1 +/-    1.33       9.6 +/-    1.33  0.040 / 0.050
G14     335.2          69.3                2.3 +/-    0.57       2.5 +/-    0.57  0.180 / 0.270
G18     287.0          47.9                8.3 +/-    8.95      10.7 +/-    8.95  0.150 / 0.270
G22     308.6          25.1                2.9 +/-    1.12       5.6 +/-    1.12  0.080 / 0.130
G25     88.2           15.0                6.3 +/-    2.37      15.6 +/-    2.37  0.100 / 0.120
G31     168.0          60.5                4.2 +/-    0.68       4.7 +/-    0.68  0.030 / 0.040
G32     31.9           55.2                2.5 +/-    0.72       3.0 +/-    0.72  0.040 / 0.030