PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-00:28:00
G01     62.5           31.3                6.0 +/-    1.40      10.2 +/-    1.40  0.040 / 0.050
G06     181.5          12.2               10.4 +/-    2.01      27.6 +/-    2.01  0.040 / 0.050
G07     141.3          24.7                9.0 +/-    1.14      17.8 +/-    1.14  0.070 / 0.080
G11     50.8           27.8                4.6 +/-    2.46       8.5 +/-    2.46  0.070 / 0.070
G13     266.1          35.8                9.3 +/-    1.18      14.5 +/-    1.18  0.030 / 0.040
G15     295.4          16.6                6.0 +/-    1.55      14.4 +/-    1.55  0.020 / 0.030
G17     247.8          72.3                7.8 +/-    0.44       8.1 +/-    0.44  0.180 / 0.310
G19     230.6          48.7                8.3 +/-    2.60      10.7 +/-    2.60  0.210 / 0.300
G28     33.1           57.1                8.2 +/-    0.77       9.6 +/-    0.77  0.090 / 0.090
G30     141.4          51.0                9.4 +/-    0.34      11.7 +/-    0.34  0.080 / 0.110