PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-21:57:40
G01     288.0          40.6                2.1 +/-    1.42       3.0 +/-    1.42  0.050 / 0.070
G03     312.6          18.2                8.4 +/-    1.30      19.2 +/-    1.30  0.050 / 0.080
G10     121.3          27.7               10.4 +/-    0.93      19.1 +/-    0.93  0.040 / 0.050
G11     263.1          25.7                9.2 +/-    4.34      17.7 +/-    4.34  0.040 / 0.060
G14     28.0           57.2                8.9 +/-    1.57      10.4 +/-    1.57  0.090 / 0.130
G22     313.9          39.4                5.8 +/-    0.51       8.6 +/-    0.51  0.080 / 0.120
G25     64.0           18.7                8.1 +/-    1.37      18.4 +/-    1.37  0.030 / 0.020
G26     157.5          13.7               12.6 +/-    1.58      32.3 +/-    1.58  0.030 / 0.020
G31     133.2          80.0               10.5 +/-    0.45      10.7 +/-    0.45  0.050 / 0.070
G32     52.0           41.8                7.4 +/-    2.01      10.5 +/-    2.01  0.050 / 0.070