PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-01:12:50
G08     261.2          15.9                9.6 +/-    3.13      23.5 +/-    3.13  0.140 / 0.450
G10     71.0           55.8                9.1 +/-    1.14      10.8 +/-    1.14  0.140 / 0.470
G11     307.2          20.8                7.0 +/-    3.38      15.2 +/-    3.38  0.170 / 0.410
G14     278.3          68.2                9.2 +/-    0.85       9.8 +/-    0.85  0.200 / 0.550
G18     308.8          36.9                8.1 +/-    2.96      12.4 +/-    2.96  0.040 / 0.070
G20     100.4          33.0                8.8 +/-    1.38      14.4 +/-    1.38  0.040 / 0.060
G21     155.6          10.4               10.6 +/-    2.27      29.4 +/-    2.27  0.130 / 0.320
G27     228.7          12.5               10.3 +/-    8.02      27.2 +/-    8.02  0.140 / 0.290
G31     176.5          36.8               12.3 +/-    1.27      18.9 +/-    1.27  0.120 / 0.250
G32     359.0          70.6                8.5 +/-    0.72       8.9 +/-    0.72  0.090 / 0.290