PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-05:12:30
G02     277.9          82.0                4.7 +/-    0.90       4.7 +/-    0.90  0.040 / 0.040
G05     168.4          22.6                7.1 +/-    1.41      14.7 +/-    1.41  0.030 / 0.070
G06     39.4           54.2                5.5 +/-    0.31       6.6 +/-    0.31  0.040 / 0.120
G12     320.6          57.1                4.0 +/-    0.89       4.7 +/-    0.89  0.040 / 0.120
G17     75.6           20.1                4.9 +/-    0.75      10.8 +/-    0.75  0.080 / 0.120
G19     63.8           34.5                4.6 +/-    1.03       7.4 +/-    1.03  0.080 / 0.130
G24     239.6          31.1                7.8 +/-    1.66      13.3 +/-    1.66  0.040 / 0.040
G25     317.6          17.1                3.4 +/-    2.49       8.1 +/-    2.49  0.030 / 0.040