PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-02:57:40
G10     254.1          30.8               11.9 +/-    1.11      20.4 +/-    1.11  0.040 / 0.060
G13     49.7           26.6                7.7 +/-    1.61      14.5 +/-    1.61  0.040 / 0.060
G15     76.7           55.6                7.6 +/-    0.34       9.0 +/-    0.34  0.100 / 0.120
G16     294.0          14.7                7.3 +/-    1.69      18.2 +/-    1.69  0.080 / 0.110
G20     275.7          53.3               10.5 +/-    0.51      12.7 +/-    0.51  0.130 / 0.380
G21     340.1          63.0                8.4 +/-    0.55       9.3 +/-    0.55  0.080 / 0.300
G26     265.9          13.8                8.7 +/-    1.05      22.3 +/-    1.05  0.070 / 0.190
G29     163.5          43.3               11.6 +/-    0.83      16.1 +/-    0.83  0.070 / 0.210