PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/17-22:58:10
G01     95.7           30.4               12.3 +/-    0.95      21.3 +/-    0.95  0.080 / 0.080
G07     120.7          50.0               13.3 +/-    0.94      16.8 +/-    0.94  0.070 / 0.090
G08     42.2           14.6                7.9 +/-    2.15      19.8 +/-    2.15  0.040 / 0.050
G11     77.6           42.8               10.7 +/-    1.69      14.9 +/-    1.69  0.030 / 0.050
G13     300.3          33.8                8.4 +/-    2.24      13.6 +/-    2.24  0.080 / 0.380
G17     212.1          45.8               13.8 +/-    1.32      18.3 +/-    1.32  0.130 / 0.440
G19     212.7          22.6               15.8 +/-    1.55      32.6 +/-    1.55  0.040 / 0.040
G28     340.9          61.9                9.0 +/-    0.91      10.0 +/-    0.91  0.030 / 0.050
G30     93.5           76.1               11.9 +/-    0.30      12.2 +/-    0.30  0.030 / 0.050