PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-05:42:50
G01     319.7          16.2                4.4 +/-    2.67      10.7 +/-    2.67  0.030 / 0.050
G08     259.6          14.1                6.9 +/-    1.94      17.6 +/-    1.94  0.030 / 0.050
G10     76.7           54.2                3.9 +/-    0.48       4.7 +/-    0.48  0.210 / 0.240
G11     304.9          22.1                5.9 +/-    1.18      12.3 +/-    1.18  0.190 / 0.280
G14     284.1          68.2                5.2 +/-    0.86       5.5 +/-    0.86  0.110 / 0.410
G18     306.6          38.6                4.4 +/-    0.90       6.5 +/-    0.90  0.120 / 0.430
G20     100.4          37.9                7.5 +/-    0.67      11.2 +/-    0.67  0.090 / 0.090
G22     300.1          10.4               -0.2 +/-    2.23      -0.6 +/-    2.23  0.120 / 0.090
G31     174.5          41.8                5.9 +/-    1.14       8.4 +/-    1.14  0.060 / 0.080
G32     8.1            67.7                4.9 +/-    0.45       5.3 +/-    0.45  0.070 / 0.070