PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-05:12:50
G01     46.3           22.1                2.5 +/-    0.84       5.3 +/-    0.84  0.040 / 0.050
G06     176.3          27.4                6.7 +/-    0.96      12.3 +/-    0.96  0.050 / 0.080
G07     146.7          10.6                6.8 +/-    4.00      18.7 +/-    4.00  0.080 / 0.160
G11     44.9           17.1                1.8 +/-    1.05       4.3 +/-    1.05  0.070 / 0.160
G13     246.1          29.8                7.4 +/-    1.61      13.0 +/-    1.61  0.090 / 0.230
G15     278.0          15.8                4.4 +/-    2.11      10.7 +/-    2.11  0.100 / 0.280
G17     331.5          78.1                5.8 +/-    0.69       5.9 +/-    0.69  0.220 / 0.270
G19     251.7          64.5                6.4 +/-    1.08       7.0 +/-    1.08  0.170 / 0.300
G28     43.5           57.3                5.5 +/-    0.67       6.4 +/-    0.67  0.040 / 0.070
G30     152.2          42.9                9.2 +/-    1.57      12.8 +/-    1.57  0.040 / 0.070