PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-23:42:40
G02     61.8           30.6                8.1 +/-    0.37      14.1 +/-    0.37  0.080 / 0.240
G05     53.7           57.5                9.5 +/-    0.70      11.0 +/-    0.70  0.080 / 0.220
G12     185.2          31.5               11.6 +/-    1.94      19.7 +/-    1.94  0.040 / 0.070
G13     124.6          16.9               12.7 +/-    1.27      30.2 +/-    1.27  0.050 / 0.060
G15     161.3          15.3               13.3 +/-    2.69      32.8 +/-    2.69  0.070 / 0.140
G21     274.0          19.0               10.5 +/-    2.05      23.5 +/-    2.05  0.070 / 0.120
G25     232.9          50.0               10.5 +/-    1.36      13.2 +/-    1.36  0.040 / 0.120
G29     332.8          59.3                9.8 +/-    0.73      11.2 +/-    0.73  0.040 / 0.120