PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-17:58:10
G01     69.1           32.8               12.6 +/-    0.82      20.8 +/-    0.82  0.040 / 0.050
G07     138.3          30.0               13.6 +/-    0.90      23.9 +/-    0.90  0.030 / 0.040
G11     52.9           30.0               11.9 +/-    0.81      20.8 +/-    0.81  0.070 / 0.140
G13     272.6          37.3               12.9 +/-    0.96      19.7 +/-    0.96  0.070 / 0.100
G15     302.4          14.9                9.3 +/-    2.11      23.3 +/-    2.11  0.080 / 0.310
G17     235.2          68.3               14.4 +/-    0.69      15.3 +/-    0.69  0.090 / 0.290
G18     48.0           17.6               10.0 +/-    0.85      23.4 +/-    0.85  0.040 / 0.040
G19     225.2          41.2               17.0 +/-    1.67      24.3 +/-    1.67  0.030 / 0.040
G28     22.2           58.9               12.2 +/-    0.49      14.0 +/-    0.49  0.040 / 0.060
G30     137.0          60.3               16.2 +/-    0.65      18.3 +/-    0.65  0.030 / 0.060