PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-15:58:10
G01     292.4          39.7                7.1 +/-    1.64      10.4 +/-    1.64  0.050 / 0.070
G03     312.2          19.3                7.0 +/-    1.13      15.6 +/-    1.13  0.040 / 0.090
G10     118.8          30.0                8.8 +/-    1.02      15.4 +/-    1.02  0.060 / 0.100
G11     269.8          25.8                8.5 +/-    1.69      16.4 +/-    1.69  0.080 / 0.090
G14     19.3           60.5                7.7 +/-    0.59       8.7 +/-    0.59  0.020 / 0.020
G22     313.9          39.1                6.8 +/-    2.25      10.0 +/-    2.25  0.020 / 0.030
G25     68.8           19.1                7.7 +/-    0.50      17.4 +/-    0.50  0.040 / 0.050
G26     156.7          12.7               11.7 +/-    3.54      30.8 +/-    3.54  0.050 / 0.050
G31     129.9          78.5                9.9 +/-    0.78      10.1 +/-    0.78  0.110 / 0.190
G32     50.6           42.1                6.6 +/-    0.49       9.3 +/-    0.49  0.170 / 0.210