PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-15:28:00
G01     89.9           31.2               11.3 +/-    0.81      19.4 +/-    0.81  0.040 / 0.060
G07     125.6          41.3               10.5 +/-    0.87      15.0 +/-    0.87  0.030 / 0.080
G11     68.4           40.4                9.8 +/-    0.56      14.1 +/-    0.56  0.050 / 0.060
G13     294.4          36.9               11.6 +/-    1.15      17.8 +/-    1.15  0.050 / 0.060
G17     213.3          51.0               13.0 +/-    1.36      16.2 +/-    1.36  0.050 / 0.090
G18     63.1           23.5               10.3 +/-    0.60      20.8 +/-    0.60  0.060 / 0.090
G19     213.5          27.6               10.9 +/-    2.47      20.1 +/-    2.47  0.110 / 0.130
G28     335.6          61.4                9.7 +/-    0.86      10.8 +/-    0.86  0.120 / 0.120
G30     107.3          74.1               11.0 +/-    0.70      11.4 +/-    0.70  0.050 / 0.070