PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-02:27:50
G01     269.4          42.3                7.1 +/-    2.30       9.9 +/-    2.30  0.060 / 0.050
G03     315.7          28.3                3.9 +/-    2.48       7.0 +/-    2.48  0.070 / 0.090
G10     129.1          15.7                6.1 +/-    1.37      14.8 +/-    1.37  0.040 / 0.070
G11     252.4          19.5                7.1 +/-    2.22      15.9 +/-    2.22  0.060 / 0.050
G14     39.9           52.1                5.9 +/-    1.41       7.2 +/-    1.41  0.140 / 0.150
G18     233.7          39.4                8.0 +/-    1.21      11.7 +/-    1.21  0.090 / 0.180
G22     314.2          49.7                6.2 +/-    0.94       7.9 +/-    0.94  0.060 / 0.050
G25     54.2           17.1                4.5 +/-    2.88      10.7 +/-    2.88  0.040 / 0.050
G31     56.6           72.6                6.1 +/-    0.49       6.3 +/-    0.49  0.050 / 0.110
G32     63.3           32.9                5.8 +/-    1.62       9.6 +/-    1.62  0.090 / 0.100