PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-14:42:50
G01     275.0          41.9                7.8 +/-    1.29      11.0 +/-    1.29  0.040 / 0.070
G03     315.6          29.3                5.5 +/-    1.22       9.8 +/-    1.22  0.040 / 0.070
G10     127.5          18.7                8.3 +/-    1.03      18.8 +/-    1.03  0.100 / 0.210
G11     252.2          21.1               10.7 +/-    1.81      23.0 +/-    1.81  0.090 / 0.200
G14     40.3           51.4                6.1 +/-    0.68       7.6 +/-    0.68  0.050 / 0.050
G18     233.5          40.8               10.3 +/-    2.21      14.8 +/-    2.21  0.040 / 0.050
G22     314.9          51.7                6.6 +/-    0.88       8.2 +/-    0.88  0.120 / 0.300
G25     53.8           16.2                5.7 +/-    1.48      13.8 +/-    1.48  0.130 / 0.310
G31     73.2           79.2                8.0 +/-    0.55       8.1 +/-    0.55  0.050 / 0.060
G32     58.5           38.0                6.1 +/-    0.55       9.1 +/-    0.55  0.050 / 0.080