PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-07:58:00
G01     247.4          33.6                4.7 +/-    0.92       7.6 +/-    0.92  0.080 / 0.250
G03     315.3          44.2                2.0 +/-    2.00       2.7 +/-    2.00  0.090 / 0.270
G11     232.2          11.3                4.0 +/-    1.42      10.7 +/-    1.42  0.030 / 0.040
G14     64.7           37.5                2.5 +/-    0.78       3.8 +/-    0.78  0.040 / 0.040
G16     162.3          20.7                5.3 +/-    1.84      11.4 +/-    1.84  0.050 / 0.130
G22     299.6          70.0                4.9 +/-    1.52       5.2 +/-    1.52  0.060 / 0.110
G23     288.2          20.1                4.4 +/-    1.24       9.7 +/-    1.24  0.080 / 0.120
G26     134.8          39.9                6.1 +/-    0.97       8.9 +/-    0.97  0.080 / 0.100
G31     40.1           55.4                2.3 +/-    0.84       2.7 +/-    0.84  0.030 / 0.040
G32     79.5           21.7                2.6 +/-    2.14       5.5 +/-    2.14  0.020 / 0.050