PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/04-16:58:00
G01     219.8          11.0               11.8 +/-    2.16      32.3 +/-    2.16  0.040 / 0.040
G03     251.7          71.3               27.9 +/-    0.85      29.3 +/-    0.85  0.040 / 0.040
G09     299.0          12.8                7.8 +/-    4.17      20.4 +/-    4.17  0.150 / 0.350
G14     94.3           17.9                9.8 +/-    1.21      22.6 +/-    1.21  0.150 / 0.400
G16     144.9          50.8               10.6 +/-    0.99      13.3 +/-    0.99  0.040 / 0.070
G22     196.9          60.7                9.1 +/-    0.62      10.3 +/-    0.62  0.040 / 0.050
G23     313.1          42.7                6.2 +/-    1.39       8.6 +/-    1.39  0.070 / 0.100
G26     88.6           56.5                8.2 +/-    0.86       9.7 +/-    0.86  0.060 / 0.100
G31     48.3           27.3                7.8 +/-    1.19      14.5 +/-    1.19  0.130 / 0.390