PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/03-14:27:50
G01     63.9           31.7                7.3 +/-    0.52      12.4 +/-    0.52  0.040 / 0.030
G07     140.6          25.5                9.4 +/-    1.59      18.1 +/-    1.59  0.040 / 0.050
G11     49.5           25.6                7.5 +/-    0.97      14.4 +/-    0.97  0.060 / 0.080
G13     266.5          36.5                7.4 +/-    0.94      11.4 +/-    0.94  0.060 / 0.080
G15     300.0          14.7                2.2 +/-    2.09       5.6 +/-    2.09  0.050 / 0.050
G17     248.5          74.8                8.8 +/-    0.80       9.1 +/-    0.80  0.040 / 0.060
G18     44.3           14.6                6.4 +/-    1.44      16.1 +/-    1.44  0.080 / 0.170
G19     228.7          44.2               11.2 +/-    1.52      15.2 +/-    1.52  0.070 / 0.170
G28     29.6           57.8                7.7 +/-    0.65       8.9 +/-    0.65  0.040 / 0.130
G30     141.3          57.2                7.7 +/-    0.87       9.0 +/-    0.87  0.050 / 0.110