PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-04:43:10
G08     275.5          20.2                7.5 +/-    3.52      16.5 +/-    3.52  0.080 / 0.170
G10     51.5           59.5                6.1 +/-    0.79       7.0 +/-    0.79  0.210 / 0.460
G14     253.5          62.3                8.3 +/-    1.07       9.2 +/-    1.07  0.030 / 0.030
G18     315.0          27.6                3.8 +/-    1.44       7.0 +/-    1.44  0.030 / 0.030
G20     89.2           40.8                5.9 +/-    1.33       8.5 +/-    1.33  0.080 / 0.170
G21     153.9          21.7                7.8 +/-    1.78      16.5 +/-    1.78  0.080 / 0.180
G24     42.6           14.3                4.2 +/-    3.43      10.5 +/-    3.43  0.070 / 0.060
G27     237.2          20.5                9.0 +/-    1.96      19.6 +/-    1.96  0.060 / 0.050
G31     178.7          24.9                8.2 +/-    1.30      16.0 +/-    1.30  0.220 / 0.270
G32     305.0          75.7                6.9 +/-    0.51       7.1 +/-    0.51  0.120 / 0.310