PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-02:27:50
G10     287.1          48.0               10.9 +/-    2.43      14.0 +/-    2.43  0.070 / 0.100
G15     48.4           36.6                8.3 +/-    0.96      12.7 +/-    0.96  0.100 / 0.090
G20     311.4          60.1               14.1 +/-    0.48      16.0 +/-    0.48  0.070 / 0.120
G21     63.3           77.5               11.9 +/-    0.39      12.2 +/-    0.39  0.080 / 0.120
G24     104.0          23.3                9.5 +/-    1.34      19.3 +/-    1.34  0.040 / 0.030
G27     307.6          30.5               11.0 +/-    1.01      19.1 +/-    1.01  0.040 / 0.030
G29     168.9          15.2               10.1 +/-    4.20      25.0 +/-    4.20  0.040 / 0.050
G32     207.5          26.6               13.8 +/-    1.46      26.0 +/-    1.46  0.060 / 0.060