PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-00:58:00
G02     66.5           27.1                9.4 +/-    1.23      17.5 +/-    1.23  0.030 / 0.050
G05     49.2           52.4               10.2 +/-    0.49      12.5 +/-    0.49  0.030 / 0.050
G12     182.2          22.8               16.9 +/-    3.01      34.7 +/-    3.01  0.090 / 0.280
G13     121.2          20.9               14.3 +/-    0.77      30.9 +/-    0.77  0.090 / 0.260
G15     159.8          18.6               18.8 +/-    1.36      42.8 +/-    1.36  0.050 / 0.080
G20     222.8          9.9                -8.5 +/-   12.80     -23.7 +/-   12.80  0.060 / 0.080
G21     278.0          21.9               11.5 +/-    1.34      24.2 +/-    1.34  0.060 / 0.180
G25     226.5          45.4               15.2 +/-    0.96      20.4 +/-    0.96  0.070 / 0.190
G29     333.0          61.9               12.1 +/-    0.82      13.6 +/-    0.82  0.020 / 0.040