PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-16:58:00
G03     245.3          70.8                9.1 +/-    1.07       9.6 +/-    1.07  0.130 / 0.440
G09     300.1          14.1                6.9 +/-    1.22      17.4 +/-    1.22  0.120 / 0.470
G14     95.8           16.7                9.4 +/-    1.43      22.3 +/-    1.43  0.030 / 0.040
G16     143.0          52.6               10.3 +/-    1.20      12.7 +/-    1.20  0.030 / 0.040
G22     195.2          58.7                9.8 +/-    1.40      11.3 +/-    1.40  0.040 / 0.050
G23     314.5          44.1                7.9 +/-    1.51      10.8 +/-    1.51  0.030 / 0.060
G26     84.9           56.3                7.7 +/-    0.39       9.0 +/-    0.39  0.040 / 0.100
G31     49.1           25.8                8.1 +/-    0.78      15.6 +/-    0.78  0.060 / 0.110