PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-04:43:00
G01     107.1          25.4                8.6 +/-    1.11      16.7 +/-    1.11  0.060 / 0.140
G07     108.1          56.3                7.8 +/-    0.76       9.2 +/-    0.76  0.080 / 0.110
G08     41.5           17.9                3.5 +/-    1.93       8.2 +/-    1.93  0.030 / 0.040
G09     173.2          11.7                6.8 +/-    6.68      18.4 +/-    6.68  0.040 / 0.040
G11     86.6           42.5                8.4 +/-    0.93      11.8 +/-    0.93  0.030 / 0.030
G13     309.4          29.0                4.1 +/-    1.04       7.4 +/-    1.04  0.030 / 0.020
G17     204.6          40.4                7.7 +/-    1.87      11.1 +/-    1.87  0.060 / 0.040
G19     209.2          10.8               -0.7 +/-    5.69      -2.0 +/-    5.69  0.050 / 0.060
G28     313.6          60.3                5.0 +/-    0.59       5.7 +/-    0.59  0.050 / 0.040
G30     15.2           77.7                6.8 +/-    0.37       6.9 +/-    0.37  0.040 / 0.040