PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-15:27:50
G01     92.1           30.7               10.0 +/-    0.62      17.2 +/-    0.62  0.030 / 0.070
G07     123.9          42.9                8.6 +/-    0.52      11.9 +/-    0.52  0.040 / 0.070
G08     42.1           11.0                8.2 +/-    3.58      22.4 +/-    3.58  0.040 / 0.060
G11     70.7           41.1                7.6 +/-    0.48      10.8 +/-    0.48  0.040 / 0.060
G13     296.6          36.2                9.4 +/-    1.00      14.5 +/-    1.00  0.040 / 0.100
G17     212.1          49.1               11.4 +/-    0.85      14.5 +/-    0.85  0.040 / 0.090
G18     65.0           23.8                7.8 +/-    1.24      15.6 +/-    1.24  0.070 / 0.110
G19     212.6          25.9               10.4 +/-    3.50      19.9 +/-    3.50  0.080 / 0.130
G28     331.9          61.2                7.9 +/-    1.39       8.8 +/-    1.39  0.070 / 0.070
G30     101.4          75.4                9.1 +/-    0.99       9.3 +/-    0.99  0.050 / 0.060