PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-02:13:10
G01     253.1          38.0                6.0 +/-    1.25       9.0 +/-    1.25  0.040 / 0.040
G03     316.7          39.3                3.1 +/-    0.87       4.5 +/-    0.87  0.040 / 0.040
G11     241.9          13.4                6.8 +/-    2.18      17.6 +/-    2.18  0.060 / 0.080
G14     53.7           45.1                2.7 +/-    0.62       3.7 +/-    0.62  0.050 / 0.100
G18     222.7          30.1                6.8 +/-    1.04      11.8 +/-    1.04  0.060 / 0.070
G22     309.0          61.0                5.5 +/-    0.80       6.2 +/-    0.80  0.050 / 0.080
G25     43.7           12.5                2.5 +/-    1.26       6.7 +/-    1.26  0.090 / 0.160
G26     139.2          35.0                8.1 +/-    0.79      12.8 +/-    0.79  0.110 / 0.180
G31     43.3           60.7                4.1 +/-    0.53       4.6 +/-    0.53  0.080 / 0.150
G32     73.8           25.0                4.8 +/-    0.85       9.4 +/-    0.85  0.080 / 0.170