PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-18:12:50
G01     70.4           32.9               12.0 +/-    1.56      19.8 +/-    1.56  0.070 / 0.270
G07     137.7          31.0               14.2 +/-    1.08      24.3 +/-    1.08  0.070 / 0.220
G11     53.7           30.9               11.7 +/-    1.64      20.1 +/-    1.64  0.070 / 0.090
G13     274.1          37.5               12.7 +/-    2.44      19.3 +/-    2.44  0.060 / 0.100
G15     303.2          14.8                8.5 +/-    1.28      21.3 +/-    1.28  0.030 / 0.030
G17     233.2          67.1               14.8 +/-    0.88      16.0 +/-    0.88  0.030 / 0.040
G18     48.9           18.2               11.8 +/-    2.54      27.0 +/-    2.54  0.050 / 0.080
G19     224.4          40.3               15.8 +/-    1.29      22.8 +/-    1.29  0.050 / 0.080
G28     20.3           59.2               13.5 +/-    1.06      15.5 +/-    1.06  0.120 / 0.270
G30     135.9          61.3               15.0 +/-    0.32      16.8 +/-    0.32  0.140 / 0.180