PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-16:42:40
G01     116.3          20.0               12.9 +/-    0.85      28.5 +/-    0.85  0.050 / 0.110
G07     88.0           65.1               13.2 +/-    0.44      14.4 +/-    0.44  0.050 / 0.100
G08     44.1           30.0               10.1 +/-    0.85      17.8 +/-    0.85  0.020 / 0.040
G09     176.3          22.4               12.8 +/-    1.02      26.6 +/-    1.02  0.030 / 0.040
G11     103.1          41.2               12.9 +/-    0.59      18.4 +/-    0.59  0.050 / 0.150
G13     316.1          21.9                9.5 +/-    0.87      20.0 +/-    0.87  0.050 / 0.160
G17     203.2          26.0               13.3 +/-    1.27      25.4 +/-    1.27  0.040 / 0.040
G18     91.1           22.0               11.3 +/-    2.26      23.6 +/-    2.26  0.040 / 0.040
G28     299.0          58.6               11.7 +/-    0.56      13.4 +/-    0.56  0.040 / 0.060
G30     353.7          71.5               12.4 +/-    0.47      13.0 +/-    0.47  0.050 / 0.070