PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-13:43:10
G01     76.7           33.2                8.0 +/-    0.99      13.0 +/-    0.99  0.040 / 0.030
G07     134.3          35.4                9.0 +/-    0.74      14.2 +/-    0.74  0.030 / 0.040
G11     56.7           33.2                6.2 +/-    0.96      10.2 +/-    0.96  0.050 / 0.120
G13     280.5          38.0                6.1 +/-    0.99       9.2 +/-    0.99  0.050 / 0.120
G15     309.5          12.2                5.9 +/-    3.44      15.7 +/-    3.44  0.070 / 0.120
G17     225.6          65.6                9.2 +/-    0.91      10.0 +/-    0.91  0.050 / 0.120
G18     52.7           20.1                7.1 +/-    1.84      15.6 +/-    1.84  0.050 / 0.100
G19     220.7          34.1                7.7 +/-    1.55      12.5 +/-    1.55  0.050 / 0.100
G28     10.2           60.4                5.9 +/-    0.54       6.7 +/-    0.54  0.040 / 0.060
G30     129.0          68.1                7.7 +/-    0.82       8.2 +/-    0.82  0.030 / 0.060