PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/04-17:57:50
G01     269.4          40.7                8.6 +/-    2.30      12.3 +/-    2.30  0.040 / 0.050
G03     316.2          32.7                6.4 +/-    2.31      10.6 +/-    2.31  0.060 / 0.060
G10     130.4          16.5                8.7 +/-    1.61      20.8 +/-    1.61  0.040 / 0.060
G11     251.9          20.0                8.9 +/-    4.14      19.6 +/-    4.14  0.040 / 0.060
G14     43.4           50.3                7.3 +/-    0.91       9.2 +/-    0.91  0.090 / 0.080
G22     313.9          53.7                8.3 +/-    0.88      10.0 +/-    0.88  0.080 / 0.080
G25     51.8           16.8                6.6 +/-    2.02      15.7 +/-    2.02  0.100 / 0.170
G26     147.1          26.0               11.0 +/-    3.24      20.9 +/-    3.24  0.120 / 0.180
G31     52.7           72.7                8.8 +/-    0.45       9.2 +/-    0.45  0.040 / 0.030
G32     65.4           31.4                7.2 +/-    1.61      12.3 +/-    1.61  0.030 / 0.030