PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-01:57:50
G02     209.6          53.7               10.3 +/-    0.45      12.5 +/-    0.45  0.110 / 0.100
G06     96.4           79.8                8.4 +/-    0.51       8.5 +/-    0.51  0.070 / 0.080
G12     315.4          28.0                6.0 +/-    1.75      11.0 +/-    1.75  0.040 / 0.060
G17     48.3           40.5                5.0 +/-    1.79       7.3 +/-    1.79  0.060 / 0.070
G19     28.9           54.8                6.7 +/-    1.34       8.0 +/-    1.34  0.040 / 0.040
G24     277.2          42.3                9.0 +/-    0.80      12.6 +/-    0.80  0.040 / 0.040
G28     117.1          19.2                7.6 +/-    1.08      17.1 +/-    1.08  0.100 / 0.220