PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/20-15:12:50
G01     232.5          23.5               10.6 +/-    2.94      21.3 +/-    2.94  0.170 / 0.170
G03     301.3          65.0                9.5 +/-    0.86      10.4 +/-    0.86  0.130 / 0.170
G14     78.8           28.8                8.2 +/-    1.10      14.7 +/-    1.10  0.110 / 0.270
G16     158.2          32.8               11.3 +/-    2.05      18.7 +/-    2.05  0.100 / 0.290
G18     206.2          12.0                9.1 +/-    3.00      24.2 +/-    3.00  0.090 / 0.140
G22     230.6          75.6               10.0 +/-    0.30      10.3 +/-    0.30  0.100 / 0.120
G23     300.3          30.6                8.6 +/-    1.20      14.9 +/-    1.20  0.040 / 0.040
G26     120.0          51.0               10.7 +/-    0.52      13.3 +/-    0.52  0.040 / 0.040
G31     42.0           42.1                6.4 +/-    1.24       9.0 +/-    1.24  0.030 / 0.030
G32     90.7           15.2                8.7 +/-    1.93      21.5 +/-    1.93  0.030 / 0.030