PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-04:42:40
G01     125.1          13.0                5.8 +/-    1.81      15.1 +/-    1.81  0.110 / 0.340
G07     64.6           68.1                5.0 +/-    0.44       5.3 +/-    0.44  0.080 / 0.350
G08     47.6           35.2                4.4 +/-    1.01       6.9 +/-    1.01  0.030 / 0.030
G09     175.5          30.8                6.5 +/-    1.24      11.2 +/-    1.24  0.040 / 0.020
G11     113.6          36.9                6.7 +/-    0.55      10.3 +/-    0.55  0.030 / 0.020
G13     320.3          14.0               -1.3 +/-    2.67      -3.3 +/-    2.67  0.030 / 0.020
G17     199.1          19.5                5.8 +/-    1.64      12.8 +/-    1.64  0.100 / 0.050
G28     277.7          52.8                6.5 +/-    3.72       8.0 +/-    3.72  0.090 / 0.100
G30     333.3          61.3                4.7 +/-    0.56       5.3 +/-    0.56  0.310 / 0.160