PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-13:58:00
G01     124.4          12.7                9.3 +/-    3.99      24.3 +/-    3.99  0.090 / 0.120
G07     70.0           66.4                7.8 +/-    0.36       8.4 +/-    0.36  0.080 / 0.100
G08     49.9           39.5                6.4 +/-    1.31       9.4 +/-    1.31  0.050 / 0.090
G09     178.5          35.1                8.3 +/-    1.74      13.1 +/-    1.74  0.050 / 0.090
G11     115.5          37.3                8.6 +/-    0.95      13.1 +/-    0.95  0.030 / 0.040
G13     320.1          14.4                6.5 +/-    1.85      16.4 +/-    1.85  0.030 / 0.040
G17     200.3          15.0                7.7 +/-    3.46      19.2 +/-    3.46  0.150 / 0.240
G18     100.5          17.6                7.9 +/-    1.83      18.4 +/-    1.83  0.130 / 0.210
G28     273.1          49.6                8.3 +/-    2.77      10.5 +/-    2.77  0.110 / 0.380
G30     339.1          64.4                7.7 +/-    0.74       8.4 +/-    0.74  0.090 / 0.380