PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-07:43:10
G01     228.3          20.3                4.3 +/-    2.03       9.3 +/-    2.03  0.030 / 0.040
G03     296.6          65.9                4.3 +/-    0.68       4.7 +/-    0.68  0.030 / 0.030
G14     81.8           27.5                2.8 +/-    1.89       5.3 +/-    1.89  0.030 / 0.040
G16     150.1          39.8                4.4 +/-    1.15       6.5 +/-    1.15  0.030 / 0.040
G22     229.6          73.5                4.3 +/-    0.31       4.5 +/-    0.31  0.110 / 0.200
G23     306.2          37.8                3.0 +/-    1.39       4.6 +/-    1.39  0.300 / 0.240
G26     106.4          52.9                4.4 +/-    0.77       5.3 +/-    0.77  0.090 / 0.150
G31     44.3           34.9                2.8 +/-    1.53       4.4 +/-    1.53  0.070 / 0.160
G32     94.9           10.2                3.8 +/-    0.96      10.5 +/-    0.96  0.060 / 0.090