PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-16:27:50
G01     63.2           31.5               14.6 +/-    0.54      24.8 +/-    0.54  0.040 / 0.040
G07     141.0          25.0               14.8 +/-    0.94      28.9 +/-    0.94  0.050 / 0.050
G11     49.5           25.7               14.8 +/-    0.71      28.5 +/-    0.71  0.070 / 0.090
G13     265.9          36.2               14.8 +/-    0.86      23.0 +/-    0.86  0.060 / 0.100
G15     298.5          15.3                9.0 +/-    3.14      22.3 +/-    3.14  0.070 / 0.200
G17     248.4          73.8               15.1 +/-    0.67      15.7 +/-    0.67  0.070 / 0.180
G18     44.1           14.5               12.7 +/-    1.73      32.0 +/-    1.73  0.040 / 0.110
G19     229.4          45.4               16.7 +/-    1.07      22.4 +/-    1.07  0.050 / 0.120
G28     31.0           57.6               14.0 +/-    0.70      16.2 +/-    0.70  0.030 / 0.060
G30     141.7          55.8               13.8 +/-    0.94      16.3 +/-    0.94  0.050 / 0.060