PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-02:57:40
G10     293.0          50.3               11.3 +/-    2.74      14.2 +/-    2.74  0.040 / 0.030
G15     47.0           32.6                8.0 +/-    1.22      13.3 +/-    1.22  0.050 / 0.030
G20     325.9          63.1               14.1 +/-    0.89      15.6 +/-    0.89  0.260 / 0.350
G21     82.9           76.4               10.6 +/-    0.63      10.9 +/-    0.63  0.190 / 0.310
G24     99.7           25.2                9.7 +/-    1.44      18.9 +/-    1.44  0.070 / 0.100
G27     303.6          32.8                8.7 +/-    2.23      14.4 +/-    2.23  0.060 / 0.120
G29     168.7          11.1               11.7 +/-    2.40      31.7 +/-    2.40  0.050 / 0.080
G32     209.0          30.8               12.4 +/-    1.36      21.3 +/-    1.36  0.050 / 0.090