PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-13:58:10
G01     72.9           33.1                6.5 +/-    0.88      10.7 +/-    0.88  0.040 / 0.040
G07     136.4          32.6                8.3 +/-    0.74      13.9 +/-    0.74  0.030 / 0.030
G11     54.3           31.1                5.9 +/-    1.27      10.2 +/-    1.27  0.050 / 0.080
G13     276.4          37.9                8.7 +/-    1.26      13.1 +/-    1.26  0.050 / 0.080
G15     306.8          13.2                4.2 +/-    1.90      10.8 +/-    1.90  0.070 / 0.150
G17     230.5          68.5                8.9 +/-    1.15       9.5 +/-    1.15  0.080 / 0.120
G18     50.1           18.7                6.0 +/-    1.17      13.6 +/-    1.17  0.060 / 0.080
G19     222.7          37.0               10.4 +/-    2.43      15.9 +/-    2.43  0.060 / 0.090
G28     16.0           59.7                6.9 +/-    0.70       7.9 +/-    0.70  0.050 / 0.110
G30     133.5          65.0                8.3 +/-    0.64       9.1 +/-    0.64  0.060 / 0.090