PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-10:58:10
G01     271.2          41.9                5.6 +/-    0.98       7.9 +/-    0.98  0.060 / 0.070
G03     316.3          33.1                4.2 +/-    3.11       6.9 +/-    3.11  0.050 / 0.080
G10     129.0          16.5                4.5 +/-    0.80      10.7 +/-    0.80  0.050 / 0.060
G11     250.5          19.9                6.8 +/-    2.03      15.1 +/-    2.03  0.040 / 0.060
G14     42.7           50.2                3.0 +/-    0.49       3.8 +/-    0.49  0.070 / 0.160
G18     232.6          39.4                6.9 +/-    1.40      10.2 +/-    1.40  0.070 / 0.170
G22     314.6          55.0                3.9 +/-    1.06       4.6 +/-    1.06  0.040 / 0.080
G25     53.1           16.5                1.8 +/-    1.42       4.4 +/-    1.42  0.050 / 0.080
G31     59.4           75.0                4.0 +/-    0.61       4.1 +/-    0.61  0.130 / 0.180
G32     60.3           36.8                2.4 +/-    1.05       3.7 +/-    1.05  0.090 / 0.240