PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-14:27:50
G03     198.2          40.1                9.7 +/-    1.33      14.1 +/-    1.33  0.240 / 0.470
G07     270.9          25.1               10.1 +/-    1.48      19.6 +/-    1.48  0.300 / 0.470
G08     156.6          10.5               -8.3 +/-   31.41     -22.9 +/-   31.41  0.100 / 0.210
G09     317.5          42.7                8.8 +/-    0.41      12.2 +/-    0.41  0.110 / 0.230
G16     56.5           55.7                8.8 +/-    0.64      10.4 +/-    0.64  0.090 / 0.190
G22     180.4          21.6                9.1 +/-    1.63      19.2 +/-    1.63  0.130 / 0.180
G23     10.6           77.9                8.6 +/-    1.29       8.8 +/-    1.29  0.050 / 0.070
G26     44.1           27.2                6.8 +/-    1.75      12.6 +/-    1.75  0.060 / 0.080
G27     120.4          22.3                9.3 +/-    1.03      19.4 +/-    1.03  0.040 / 0.030