PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-04:28:10
G08     297.1          22.4                8.1 +/-    1.02      16.9 +/-    1.02  0.080 / 0.120
G10     0.8            62.8                7.2 +/-    0.69       8.0 +/-    0.69  0.080 / 0.120
G14     227.2          40.7               10.7 +/-    1.67      15.3 +/-    1.67  0.060 / 0.090
G20     51.5           58.8                8.2 +/-    0.41       9.4 +/-    0.41  0.050 / 0.100
G21     145.1          44.2                9.7 +/-    0.57      13.2 +/-    0.57  0.040 / 0.060
G24     58.1           26.2                7.2 +/-    1.43      13.6 +/-    1.43  0.040 / 0.070
G27     257.7          33.1                8.9 +/-    2.72      14.7 +/-    2.72  0.090 / 0.170
G32     241.7          67.3                8.8 +/-    0.64       9.5 +/-    0.64  0.090 / 0.180