PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/27-16:43:00
G01     72.7           33.1                9.2 +/-    0.76      15.1 +/-    0.76  0.050 / 0.100
G07     136.5          32.7               12.6 +/-    0.88      20.9 +/-    0.88  0.070 / 0.100
G11     54.8           31.8                8.7 +/-    0.70      14.7 +/-    0.70  0.030 / 0.050
G13     276.4          37.8               11.0 +/-    1.21      16.7 +/-    1.21  0.030 / 0.040
G15     305.5          14.0                7.6 +/-    2.10      19.3 +/-    2.10  0.040 / 0.080
G17     230.4          66.5               12.2 +/-    0.96      13.2 +/-    0.96  0.070 / 0.090
G18     50.3           18.9                8.7 +/-    0.64      19.7 +/-    0.64  0.060 / 0.120
G19     223.0          38.1               10.5 +/-    1.95      15.8 +/-    1.95  0.060 / 0.140
G28     16.7           59.7                9.8 +/-    0.41      11.2 +/-    0.41  0.030 / 0.050
G30     133.7          63.7               11.0 +/-    0.55      12.1 +/-    0.55  0.050 / 0.040