PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-23:13:10
G02     72.6           22.8                8.5 +/-    0.65      17.5 +/-    0.65  0.030 / 0.060
G05     45.7           45.1                8.1 +/-    0.53      10.8 +/-    0.53  0.030 / 0.070
G12     179.6          13.9               13.5 +/-    2.39      34.5 +/-    2.39  0.140 / 0.390
G13     113.5          26.2               11.7 +/-    1.53      22.3 +/-    1.53  0.090 / 0.340
G15     156.2          25.2               14.6 +/-    1.70      28.4 +/-    1.70  0.090 / 0.090
G20     226.6          1.7                -0.7 +/-   29.78      -2.1 +/-   29.78  0.060 / 0.090
G21     284.8          26.7               12.9 +/-    1.78      24.2 +/-    1.78  0.060 / 0.230
G25     218.0          38.0               13.4 +/-    1.99      20.2 +/-    1.99  0.080 / 0.180
G26     315.5          13.8                8.3 +/-    2.63      21.3 +/-    2.63  0.070 / 0.130
G29     338.7          70.3               11.2 +/-    0.78      11.8 +/-    0.78  0.080 / 0.120