PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-06:58:10
G01     38.2           11.4                4.2 +/-    2.84      11.4 +/-    2.84  0.040 / 0.040
G02     199.8          13.5                5.5 +/-    3.71      14.3 +/-    3.71  0.040 / 0.040
G06     174.2          45.2               10.0 +/-    0.99      13.4 +/-    0.99  0.110 / 0.190
G13     231.8          17.8                7.5 +/-    2.11      17.4 +/-    2.11  0.110 / 0.180
G17     17.7           63.3                8.2 +/-    0.36       9.0 +/-    0.36  0.080 / 0.180
G19     291.5          69.8                9.3 +/-    0.49       9.9 +/-    0.49  0.080 / 0.140
G24     311.7          28.6                8.6 +/-    2.41      15.6 +/-    2.41  0.030 / 0.050
G28     78.0           45.1                8.5 +/-    0.60      11.4 +/-    0.60  0.030 / 0.030
G30     156.6          22.5                9.8 +/-    1.56      20.3 +/-    1.56  0.150 / 0.500