PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-03:12:40
G08     314.0          16.2                7.2 +/-    1.55      17.4 +/-    1.55  0.060 / 0.050
G10     328.6          59.6                7.2 +/-    0.69       8.3 +/-    0.69  0.070 / 0.080
G14     216.0          27.5               10.3 +/-    2.13      19.0 +/-    2.13  0.020 / 0.050
G15     46.4           12.2                5.6 +/-    2.65      15.0 +/-    2.65  0.020 / 0.030
G20     31.0           61.6                7.9 +/-    0.90       8.8 +/-    0.90  0.040 / 0.040
G21     130.8          60.5               11.0 +/-    0.38      12.4 +/-    0.38  0.030 / 0.040
G24     78.0           30.2               10.1 +/-    0.74      17.6 +/-    0.74  0.110 / 0.210
G27     280.2          37.7                9.1 +/-    1.99      13.8 +/-    1.99  0.140 / 0.200
G32     220.2          47.1               10.3 +/-    1.87      13.4 +/-    1.87  0.120 / 0.170