PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-14:58:00
G01     125.0          12.3                9.9 +/-    2.86      26.3 +/-    2.86  0.040 / 0.040
G07     69.5           66.2                9.7 +/-    0.38      10.5 +/-    0.38  0.030 / 0.050
G08     50.0           39.4                8.5 +/-    0.50      12.4 +/-    0.50  0.060 / 0.090
G09     178.7          35.9               10.1 +/-    1.41      15.8 +/-    1.41  0.050 / 0.090
G11     115.9          37.0               10.4 +/-    0.43      15.9 +/-    0.43  0.060 / 0.110
G13     320.3          13.9                6.6 +/-    1.72      17.0 +/-    1.72  0.050 / 0.100
G17     200.0          15.0               10.2 +/-    2.17      25.3 +/-    2.17  0.110 / 0.360
G18     100.9          17.3               10.2 +/-    1.40      23.9 +/-    1.40  0.120 / 0.370
G28     272.5          49.5                8.9 +/-    0.98      11.3 +/-    0.98  0.100 / 0.320
G30     339.7          64.5                8.5 +/-    0.49       9.3 +/-    0.49  0.140 / 0.230