PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-05:43:00
G10     266.5          37.7                6.6 +/-    0.86      10.0 +/-    0.86  0.180 / 0.460
G13     42.2           18.9                3.4 +/-    1.12       7.8 +/-    1.12  0.160 / 0.480
G15     59.6           49.0                4.4 +/-    0.91       5.7 +/-    0.91  0.120 / 0.170
G16     278.7          12.2                5.8 +/-    2.75      15.4 +/-    2.75  0.140 / 0.190
G20     351.7          68.2                3.8 +/-    0.62       4.1 +/-    0.62  0.170 / 0.340
G21     0.7            71.4                5.3 +/-    0.63       5.5 +/-    0.63  0.150 / 0.360
G24     120.5          13.9                6.3 +/-    1.98      16.0 +/-    1.98  0.070 / 0.070
G27     318.7          18.9                3.9 +/-    1.81       8.9 +/-    1.81  0.070 / 0.080
G29     168.2          32.1                7.0 +/-    0.52      11.8 +/-    0.52  0.040 / 0.040
G32     203.9          10.2              -13.3 +/-   28.86     -36.9 +/-   28.86  0.050 / 0.040