PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/15-01:27:40
G01     37.9           10.2                7.0 +/-    7.08      19.5 +/-    7.08  0.070 / 0.440
G02     199.0          17.4                9.5 +/-    1.85      22.4 +/-    1.85  0.090 / 0.560
G06     173.9          47.3               10.2 +/-    0.96      13.4 +/-    0.96  0.040 / 0.030
G13     231.7          16.6                8.7 +/-    3.05      20.7 +/-    3.05  0.030 / 0.030
G17     9.8            66.0                6.5 +/-    0.39       7.0 +/-    0.39  0.040 / 0.070
G19     304.4          71.3                6.6 +/-    0.57       6.9 +/-    0.57  0.050 / 0.060
G24     313.4          25.3                5.6 +/-    1.22      10.9 +/-    1.22  0.050 / 0.050
G28     82.4           42.2                6.9 +/-    0.79       9.7 +/-    0.79  0.050 / 0.050
G30     155.4          16.8                8.5 +/-    2.72      20.1 +/-    2.72  0.090 / 0.160