PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/28-04:58:00
G08     293.3          22.6                6.2 +/-    1.39      12.7 +/-    1.39  0.040 / 0.110
G10     9.4            63.1                5.5 +/-    0.64       6.0 +/-    0.64  0.060 / 0.100
G14     230.3          44.0                7.9 +/-    1.15      10.8 +/-    1.15  0.090 / 0.120
G18     317.7          10.1              -12.0 +/-    8.62     -33.4 +/-    8.62  0.080 / 0.120
G20     62.1           54.9                7.2 +/-    0.47       8.6 +/-    0.47  0.070 / 0.080
G21     147.1          40.3                7.2 +/-    1.00      10.4 +/-    1.00  0.060 / 0.100
G24     54.6           24.6                4.2 +/-    0.62       8.3 +/-    0.62  0.040 / 0.030
G27     253.4          31.2                7.7 +/-    0.99      13.2 +/-    0.99  0.040 / 0.040
G32     250.0          70.4                7.6 +/-    0.78       8.0 +/-    0.78  0.090 / 0.190