PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-21:43:10
G08     317.7          13.4                8.4 +/-    1.73      21.8 +/-    1.73  0.050 / 0.050
G10     321.0          58.4               10.3 +/-    0.92      11.9 +/-    0.92  0.040 / 0.040
G14     214.3          21.4               14.0 +/-    2.93      29.7 +/-    2.93  0.130 / 0.250
G15     45.9           17.1                9.4 +/-    2.68      22.1 +/-    2.68  0.110 / 0.180
G20     24.5           62.5               12.5 +/-    1.93      13.9 +/-    1.93  0.090 / 0.260
G21     124.7          65.0               13.3 +/-    0.87      14.5 +/-    0.87  0.140 / 0.310
G24     84.4           30.2               11.8 +/-    0.99      20.6 +/-    0.99  0.060 / 0.070
G27     285.3          37.9                9.3 +/-    1.90      14.0 +/-    1.90  0.040 / 0.070
G32     216.8          45.2               13.7 +/-    1.21      18.5 +/-    1.21  0.080 / 0.100