PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-04:43:10
G01     126.2          12.1                6.3 +/-    3.81      16.9 +/-    3.81  0.050 / 0.040
G07     60.5           68.5                4.7 +/-    0.51       5.0 +/-    0.51  0.040 / 0.040
G08     48.4           36.3                3.7 +/-    0.41       5.7 +/-    0.41  0.110 / 0.310
G09     175.6          32.2                8.1 +/-    1.03      13.6 +/-    1.03  0.110 / 0.320
G11     115.1          36.2                7.7 +/-    0.58      11.9 +/-    0.58  0.030 / 0.030
G13     320.7          12.8               -2.6 +/-    9.44      -6.9 +/-    9.44  0.030 / 0.030
G17     198.9          18.1                6.4 +/-    1.34      14.8 +/-    1.34  0.100 / 0.170
G28     275.5          52.1                5.5 +/-    0.99       6.7 +/-    0.99  0.080 / 0.230
G30     331.7          60.1                4.3 +/-    1.10       4.9 +/-    1.10  0.050 / 0.090