PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-18:42:50
G01     57.2           29.5               11.1 +/-    0.51      19.6 +/-    0.51  0.150 / 0.450
G07     143.5          20.0               14.2 +/-    1.43      31.2 +/-    1.43  0.180 / 0.370
G11     47.2           21.9               11.0 +/-    0.86      23.2 +/-    0.86  0.060 / 0.180
G13     259.2          34.2               13.9 +/-    1.73      22.5 +/-    1.73  0.080 / 0.200
G15     292.2          16.0               11.9 +/-    1.96      28.9 +/-    1.96  0.020 / 0.040
G17     265.1          76.0               14.3 +/-    1.15      14.7 +/-    1.15  0.030 / 0.040
G18     40.8           11.2               10.9 +/-    1.69      29.7 +/-    1.69  0.040 / 0.060
G19     235.3          51.2               16.4 +/-    2.03      20.4 +/-    2.03  0.040 / 0.060
G28     40.5           55.7               12.2 +/-    0.97      14.4 +/-    0.97  0.070 / 0.240
G30     145.5          49.2               15.8 +/-    0.89      20.2 +/-    0.89  0.070 / 0.260