PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-04:27:50
G01     104.5          26.6               10.6 +/-    0.86      19.9 +/-    0.86  0.090 / 0.330
G07     111.7          54.2                9.4 +/-    0.33      11.3 +/-    0.33  0.090 / 0.310
G08     41.4           15.8                3.2 +/-    1.27       7.7 +/-    1.27  0.030 / 0.030
G11     83.1           42.3                8.7 +/-    0.51      12.2 +/-    0.51  0.040 / 0.030
G13     307.4          30.6                6.3 +/-    1.73      10.9 +/-    1.73  0.040 / 0.040
G17     205.7          43.1               11.2 +/-    1.83      15.6 +/-    1.83  0.040 / 0.040
G19     209.9          13.2                5.3 +/-    2.57      13.8 +/-    2.57  0.060 / 0.060
G28     318.4          60.7                9.0 +/-    0.58      10.1 +/-    0.58  0.050 / 0.060
G30     26.9           79.1                9.2 +/-    0.54       9.3 +/-    0.54  0.080 / 0.140