PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-08:28:10
G02     211.4          52.7                9.9 +/-    2.23      12.1 +/-    2.23  0.080 / 0.120
G06     90.7           79.9                9.7 +/-    0.33       9.8 +/-    0.33  0.090 / 0.110
G12     315.8          29.7                6.2 +/-    1.54      10.9 +/-    1.54  0.040 / 0.050
G17     53.4           34.3                7.4 +/-    1.02      11.9 +/-    1.02  0.040 / 0.040
G19     27.5           55.3                8.0 +/-    0.46       9.5 +/-    0.46  0.110 / 0.240
G24     268.2          44.0                9.8 +/-    1.37      13.4 +/-    1.37  0.080 / 0.190
G28     117.2          20.4               13.7 +/-    1.24      29.7 +/-    1.24  0.050 / 0.080