PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-14:42:50
G01     48.4           24.2                8.1 +/-    0.70      16.1 +/-    0.70  0.050 / 0.080
G06     175.7          28.8               11.0 +/-    1.97      19.8 +/-    1.97  0.040 / 0.080
G07     146.9          10.5               11.7 +/-    4.74      32.4 +/-    4.74  0.060 / 0.120
G11     44.0           12.4                7.0 +/-    2.43      18.5 +/-    2.43  0.060 / 0.120
G13     248.0          29.3                9.1 +/-    1.07      16.2 +/-    1.07  0.130 / 0.320
G15     284.9          14.5                8.9 +/-    1.57      22.5 +/-    1.57  0.190 / 0.300
G17     330.0          77.8               10.2 +/-    0.76      10.4 +/-    0.76  0.080 / 0.180
G19     247.7          58.2               11.1 +/-    0.96      12.8 +/-    0.96  0.080 / 0.200
G28     55.3           52.2                8.9 +/-    0.45      10.9 +/-    0.45  0.040 / 0.060
G30     151.1          40.6               11.7 +/-    0.95      16.8 +/-    0.95  0.040 / 0.050