PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-03:27:50
G01     256.1          37.6                6.7 +/-    1.95      10.2 +/-    1.95  0.040 / 0.040
G03     316.5          38.5                3.1 +/-    1.61       4.6 +/-    1.61  0.050 / 0.040
G11     239.8          14.2                5.9 +/-    2.05      14.9 +/-    2.05  0.070 / 0.080
G14     54.9           44.1                4.7 +/-    0.99       6.5 +/-    0.99  0.050 / 0.070
G18     223.0          30.5                6.8 +/-    2.09      11.8 +/-    2.09  0.130 / 0.340
G22     309.1          61.6                3.7 +/-    0.73       4.1 +/-    0.73  0.110 / 0.330
G25     41.7           11.1                3.9 +/-    3.39      10.5 +/-    3.39  0.060 / 0.080
G26     138.7          34.9                6.7 +/-    1.10      10.6 +/-    1.10  0.080 / 0.120
G31     42.7           61.9                3.7 +/-    0.51       4.1 +/-    0.51  0.180 / 0.260
G32     74.3           24.5                5.4 +/-    1.72      10.8 +/-    1.72  0.120 / 0.260