PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-03:57:40
G01     275.3          41.5                9.4 +/-    1.47      13.4 +/-    1.47  0.040 / 0.050
G03     314.9          24.7                8.6 +/-    3.30      16.9 +/-    3.30  0.040 / 0.060
G10     127.7          19.3                7.7 +/-    1.31      17.2 +/-    1.31  0.050 / 0.090
G11     252.2          21.5               13.2 +/-    1.90      28.0 +/-    1.90  0.060 / 0.070
G14     38.5           52.6                8.4 +/-    0.76      10.2 +/-    0.76  0.050 / 0.060
G18     237.2          41.3               10.2 +/-    1.87      14.5 +/-    1.87  0.050 / 0.070
G22     314.4          47.4                8.6 +/-    0.86      11.3 +/-    0.86  0.130 / 0.170
G25     54.6           17.0                4.7 +/-    1.31      11.2 +/-    1.31  0.130 / 0.230
G31     60.7           74.3               10.3 +/-    1.09      10.7 +/-    1.09  0.140 / 0.320
G32     62.5           32.9                7.0 +/-    1.05      11.5 +/-    1.05  0.130 / 0.190