PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-18:43:10
G01     295.0          41.0                9.1 +/-    1.43      13.0 +/-    1.43  0.070 / 0.100
G03     309.7          11.7               -5.7 +/-   32.31     -15.3 +/-   32.31  0.050 / 0.120
G10     115.3          30.6                8.9 +/-    0.57      15.4 +/-    0.57  0.040 / 0.050
G11     275.5          25.1                9.4 +/-    2.21      18.3 +/-    2.21  0.040 / 0.050
G14     7.1            64.1                8.1 +/-    0.33       8.9 +/-    0.33  0.080 / 0.140
G22     313.0          32.9                7.5 +/-    0.96      12.3 +/-    0.96  0.090 / 0.130
G25     72.3           17.9                9.3 +/-    1.42      21.5 +/-    1.42  0.150 / 0.290
G31     152.2          74.2                9.5 +/-    0.60       9.8 +/-    0.60  0.310 / 0.270
G32     47.2           44.2                8.3 +/-    0.73      11.3 +/-    0.73  0.060 / 0.090