PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/23-00:42:40
G01     40.0           14.5               10.4 +/-    2.65      26.2 +/-    2.65  0.100 / 0.230
G02     198.8          12.0               15.9 +/-   22.19      42.5 +/-   22.19  0.100 / 0.330
G06     175.0          41.4               17.5 +/-    0.75      24.9 +/-    0.75  0.050 / 0.050
G13     236.0          20.3               16.9 +/-    3.26      36.9 +/-    3.26  0.060 / 0.070
G15     268.1          11.5               15.1 +/-    1.57      40.8 +/-    1.57  0.030 / 0.030
G17     358.2          70.3               12.3 +/-    0.40      13.0 +/-    0.40  0.020 / 0.030
G19     285.2          70.0               12.2 +/-    0.94      12.9 +/-    0.94  0.040 / 0.040
G24     315.8          21.0                9.3 +/-    3.07      19.9 +/-    3.07  0.030 / 0.040
G28     75.6           45.1               13.3 +/-    0.85      17.8 +/-    0.85  0.190 / 0.340
G30     154.4          22.4               17.5 +/-    2.09      36.3 +/-    2.09  0.180 / 0.310