PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-00:58:00
G05     48.4           17.7                6.1 +/-    0.44      14.3 +/-    0.44  0.040 / 0.080
G10     235.2          11.1                6.6 +/-   43.44      18.0 +/-   43.44  0.050 / 0.090
G13     77.9           36.5                9.4 +/-    0.55      14.5 +/-    0.55  0.080 / 0.140
G15     129.3          51.0               12.3 +/-    1.00      15.4 +/-    1.00  0.060 / 0.120
G16     314.5          12.6                7.9 +/-    3.63      20.9 +/-    3.63  0.140 / 0.410
G20     244.9          29.8               10.8 +/-    0.60      19.1 +/-    0.60  0.120 / 0.400
G21     310.9          45.3                9.2 +/-    1.24      12.3 +/-    1.24  0.220 / 0.300
G25     200.2          12.1               13.4 +/-    1.67      35.6 +/-    1.67  0.140 / 0.220
G26     287.6          21.0                8.8 +/-    1.78      18.9 +/-    1.78  0.090 / 0.470
G29     154.9          75.4               10.3 +/-    0.73      10.6 +/-    0.73  0.090 / 0.410