PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-14:43:00
G03     200.3          44.4                9.8 +/-    2.28      13.3 +/-    2.28  0.070 / 0.150
G07     267.2          22.6                7.5 +/-    1.25      15.5 +/-    1.25  0.080 / 0.180
G09     315.9          38.7                8.1 +/-    1.16      12.1 +/-    1.16  0.040 / 0.050
G16     63.1           59.0                8.7 +/-    0.46       9.9 +/-    0.46  0.030 / 0.040
G22     181.2          25.5                8.7 +/-    0.82      16.8 +/-    0.82  0.040 / 0.040
G23     358.6          74.8                8.3 +/-    0.62       8.5 +/-    0.62  0.030 / 0.050
G26     45.4           31.0                7.8 +/-    0.50      13.5 +/-    0.50  0.070 / 0.090
G27     124.0          19.4               10.8 +/-    1.02      24.2 +/-    1.02  0.060 / 0.100