PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-16:43:10
G01     55.6           28.7               13.3 +/-    1.81      23.8 +/-    1.81  0.090 / 0.070
G07     144.2          18.3               13.1 +/-    2.71      30.0 +/-    2.71  0.130 / 0.080
G11     46.3           19.9               13.3 +/-    3.23      29.4 +/-    3.23  0.040 / 0.050
G13     257.1          33.5               13.6 +/-    1.35      22.2 +/-    1.35  0.040 / 0.050
G15     291.6          15.6               10.5 +/-    1.91      25.7 +/-    1.91  0.330 / 0.250
G17     277.5          78.0               14.2 +/-    0.64      14.5 +/-    0.64  0.310 / 0.400
G18     39.7           9.8                12.2 +/-    2.18      34.0 +/-    2.18  0.160 / 0.500
G19     237.0          52.0               15.6 +/-    1.80      19.1 +/-    1.80  0.120 / 0.470
G28     43.0           55.2               14.1 +/-    0.88      16.8 +/-    0.88  0.090 / 0.070
G30     146.7          48.2               14.7 +/-    1.15      18.9 +/-    1.15  0.090 / 0.080