PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-00:43:10
G01     217.9          10.4                8.3 +/-    2.91      22.9 +/-    2.91  0.040 / 0.060
G03     264.3          70.0                6.6 +/-    0.55       6.9 +/-    0.55  0.040 / 0.050
G09     300.1          15.7                4.0 +/-    3.14       9.7 +/-    3.14  0.050 / 0.060
G14     92.1           22.2                4.7 +/-    1.02       9.9 +/-    1.02  0.060 / 0.060
G16     133.6          53.3               10.2 +/-    0.66      12.4 +/-    0.66  0.110 / 0.320
G22     205.7          63.1                7.0 +/-    0.50       7.7 +/-    0.50  0.110 / 0.310
G23     314.3          44.3                6.6 +/-    1.27       8.9 +/-    1.27  0.220 / 0.370
G26     80.2           53.6                6.1 +/-    0.72       7.4 +/-    0.72  0.330 / 0.450
G31     49.4           23.9                4.0 +/-    1.20       8.1 +/-    1.20  0.040 / 0.030