PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/08-00:58:00
G01     54.3           28.0                5.4 +/-    2.47       9.8 +/-    2.47  0.040 / 0.060
G06     179.7          19.5                9.8 +/-    1.26      21.7 +/-    1.26  0.040 / 0.050
G07     144.8          17.2                8.5 +/-    2.69      20.0 +/-    2.69  0.150 / 0.100
G11     47.0           21.5                6.0 +/-    2.28      12.7 +/-    2.28  0.110 / 0.110
G13     256.4          32.7                6.7 +/-    2.40      11.2 +/-    2.40  0.020 / 0.020
G15     287.6          16.5                7.9 +/-    0.88      18.9 +/-    0.88  0.020 / 0.020
G17     277.8          77.1                7.5 +/-    0.61       7.7 +/-    0.61  0.090 / 0.170
G19     239.9          56.0                8.3 +/-    2.54       9.8 +/-    2.54  0.100 / 0.180
G28     46.1           54.3                7.7 +/-    0.96       9.3 +/-    0.96  0.090 / 0.140
G30     146.5          42.7               10.0 +/-    0.61      14.0 +/-    0.61  0.080 / 0.130