PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-06:43:00
G03     198.7          37.5                7.2 +/-    2.20      10.9 +/-    2.20  0.050 / 0.130
G07     275.3          28.8                4.4 +/-    1.42       7.8 +/-    1.42  0.080 / 0.140
G08     150.4          15.6                6.7 +/-    3.18      16.4 +/-    3.18  0.060 / 0.130
G09     321.0          51.9                4.7 +/-    1.36       5.8 +/-    1.36  0.090 / 0.160
G16     51.6           51.8                4.4 +/-    0.70       5.4 +/-    0.70  0.050 / 0.100
G22     182.7          21.0                5.7 +/-    1.16      12.3 +/-    1.16  0.060 / 0.120
G23     1.9            78.5                3.5 +/-    0.54       3.5 +/-    0.54  0.030 / 0.040
G26     43.5           24.2                2.5 +/-    0.94       5.0 +/-    0.94  0.030 / 0.030
G27     117.7          24.8                5.8 +/-    1.36      11.4 +/-    1.36  0.050 / 0.060