PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/22-01:43:00
G02     202.7          37.0                9.6 +/-    0.88      14.7 +/-    0.88  0.210 / 0.340
G06     161.0          69.3                8.2 +/-    0.53       8.8 +/-    0.53  0.120 / 0.190
G12     307.7          14.9                5.2 +/-    1.41      12.9 +/-    1.41  0.030 / 0.030
G17     33.5           51.4                6.1 +/-    1.17       7.6 +/-    1.17  0.040 / 0.020
G19     2.2            65.0                5.6 +/-    0.51       6.2 +/-    0.51  0.070 / 0.120
G24     297.8          38.1                6.3 +/-    1.17       9.4 +/-    1.17  0.070 / 0.090
G28     103.5          30.3                6.9 +/-    1.06      12.0 +/-    1.06  0.030 / 0.040