PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-22:58:10
G01     287.6          42.3               11.0 +/-    0.47      15.4 +/-    0.47  0.060 / 0.090
G03     312.0          16.5                7.5 +/-    5.02      18.1 +/-    5.02  0.050 / 0.080
G10     120.3          26.0               10.5 +/-    0.89      20.1 +/-    0.89  0.080 / 0.060
G11     266.8          24.3               10.9 +/-    1.09      21.7 +/-    1.09  0.070 / 0.070
G14     19.1           60.7                8.0 +/-    1.17       9.0 +/-    1.17  0.090 / 0.170
G22     314.0          37.4                8.1 +/-    0.81      12.3 +/-    0.81  0.080 / 0.180
G25     67.0           18.6                7.8 +/-    1.62      17.7 +/-    1.62  0.040 / 0.050
G26     156.0          14.3               14.6 +/-    3.06      36.9 +/-    3.06  0.040 / 0.050
G31     118.1          78.8                9.4 +/-    0.52       9.5 +/-    0.52  0.290 / 0.280
G32     52.3           40.6                7.4 +/-    1.14      10.7 +/-    1.14  0.280 / 0.350