PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/24-15:42:40
G03     198.9          42.7               14.0 +/-    0.34      19.5 +/-    0.34  0.040 / 0.040
G07     268.2          23.3               11.2 +/-    2.69      22.8 +/-    2.69  0.030 / 0.040
G09     316.3          39.5               11.5 +/-    1.21      16.9 +/-    1.21  0.030 / 0.040
G16     61.3           58.4               10.3 +/-    0.48      11.8 +/-    0.48  0.030 / 0.050
G22     180.4          23.9                9.9 +/-    2.15      19.9 +/-    2.15  0.060 / 0.100
G23     1.1            75.6               11.2 +/-    0.63      11.6 +/-    0.63  0.060 / 0.100
G26     45.0           30.1                9.3 +/-    1.11      16.2 +/-    1.11  0.060 / 0.180
G27     122.8          20.2               10.8 +/-    1.14      23.7 +/-    1.14  0.060 / 0.160