PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-01:42:50
G01     266.6          41.9                7.9 +/-    2.70      11.1 +/-    2.70  0.070 / 0.080
G03     316.0          29.7                6.0 +/-    2.02      10.5 +/-    2.02  0.070 / 0.080
G10     130.2          14.2                6.3 +/-    2.63      16.1 +/-    2.63  0.050 / 0.060
G11     250.9          18.6                8.1 +/-    1.81      18.5 +/-    1.81  0.040 / 0.080
G14     41.8           51.2                6.4 +/-    0.97       8.0 +/-    0.97  0.090 / 0.100
G18     231.8          38.0                8.9 +/-    1.95      13.4 +/-    1.95  0.060 / 0.090
G22     313.9          51.3                7.2 +/-    0.81       8.9 +/-    0.81  0.060 / 0.090
G25     52.4           16.5                5.1 +/-    1.31      12.1 +/-    1.31  0.060 / 0.080
G31     53.2           71.0                6.9 +/-    0.38       7.2 +/-    0.38  0.050 / 0.050
G32     65.1           31.4                4.8 +/-    2.19       8.2 +/-    2.19  0.050 / 0.040