PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-16:27:50
G01     105.3          25.7                9.6 +/-    1.00      18.4 +/-    1.00  0.040 / 0.060
G07     111.3          52.1               11.4 +/-    0.76      14.0 +/-    0.76  0.040 / 0.070
G08     41.8           20.2                7.5 +/-    0.55      16.4 +/-    0.55  0.030 / 0.050
G09     175.4          14.1               11.9 +/-    1.11      30.2 +/-    1.11  0.030 / 0.060
G11     86.4           43.3                9.7 +/-    0.45      13.3 +/-    0.45  0.050 / 0.100
G13     308.4          30.2               11.3 +/-    1.81      19.6 +/-    1.81  0.050 / 0.090
G17     205.7          37.8               12.9 +/-    1.91      19.5 +/-    1.91  0.090 / 0.160
G18     77.7           24.0                8.5 +/-    0.83      16.9 +/-    0.83  0.070 / 0.130
G28     309.5          59.1               10.3 +/-    0.70      11.7 +/-    0.70  0.090 / 0.170
G30     46.4           78.6               10.7 +/-    0.52      10.9 +/-    0.52  0.070 / 0.150