PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-16:12:50
G01     112.0          21.9               11.8 +/-    1.00      24.9 +/-    1.00  0.040 / 0.070
G07     101.6          57.2               11.6 +/-    0.43      13.6 +/-    0.43  0.040 / 0.050
G08     42.9           26.1                9.0 +/-    0.69      17.1 +/-    0.69  0.030 / 0.050
G09     176.6          20.5               11.6 +/-    1.12      25.2 +/-    1.12  0.030 / 0.050
G11     96.1           42.7               11.0 +/-    0.56      15.3 +/-    0.56  0.050 / 0.090
G13     313.3          25.7               10.1 +/-    0.97      19.5 +/-    0.97  0.050 / 0.090
G17     203.2          30.8               12.0 +/-    1.23      20.7 +/-    1.23  0.090 / 0.160
G18     85.1           22.9                7.9 +/-    0.98      16.2 +/-    0.98  0.090 / 0.220
G28     297.1          56.9               10.4 +/-    0.75      12.1 +/-    0.75  0.070 / 0.200
G30     15.0           75.9               10.6 +/-    0.31      10.9 +/-    0.31  0.080 / 0.210