PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-07:58:10
G01     77.3           33.2                4.4 +/-    1.44       7.2 +/-    1.44  0.040 / 0.050
G07     133.9          35.0                7.8 +/-    0.56      12.4 +/-    0.56  0.040 / 0.040
G11     58.0           33.6                4.6 +/-    1.40       7.5 +/-    1.40  0.070 / 0.080
G13     283.4          37.0                6.8 +/-    0.82      10.4 +/-    0.82  0.060 / 0.080
G15     307.3          14.1                2.6 +/-    2.28       6.5 +/-    2.28  0.080 / 0.190
G17     225.4          65.8                7.9 +/-    0.85       8.6 +/-    0.85  0.120 / 0.280
G19     220.4          38.5                6.8 +/-    1.90      10.1 +/-    1.90  0.050 / 0.030
G28     10.9           60.2                4.1 +/-    1.14       4.7 +/-    1.14  0.070 / 0.040
G30     127.8          66.6                7.3 +/-    0.75       7.8 +/-    0.75  0.070 / 0.080