PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-02:27:50
G10     289.6          49.0               13.7 +/-    0.86      17.4 +/-    0.86  0.060 / 0.090
G15     47.8           35.0                9.4 +/-    0.80      14.9 +/-    0.80  0.070 / 0.090
G20     313.9          60.4               10.8 +/-    0.92      12.2 +/-    0.92  0.060 / 0.160
G21     72.0           77.2               12.1 +/-    0.56      12.4 +/-    0.56  0.070 / 0.140
G24     102.2          24.2               10.5 +/-    1.27      20.8 +/-    1.27  0.040 / 0.050
G27     306.0          31.5               11.5 +/-    2.55      19.5 +/-    2.55  0.030 / 0.040
G29     168.9          13.4               12.5 +/-    4.83      32.3 +/-    4.83  0.040 / 0.060
G32     208.1          28.4               16.7 +/-    1.04      30.3 +/-    1.04  0.040 / 0.050