PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/11-04:58:00
G01     310.9          31.1                4.0 +/-    1.66       6.9 +/-    1.66  0.130 / 0.230
G10     100.6          42.1                3.7 +/-    0.39       5.3 +/-    0.39  0.120 / 0.150
G11     287.7          27.2                3.1 +/-    1.20       5.7 +/-    1.20  0.050 / 0.050
G14     342.5          69.4                3.1 +/-    0.69       3.3 +/-    0.69  0.050 / 0.050
G18     284.5          49.4               10.0 +/-    2.12      12.7 +/-    2.12  0.090 / 0.120
G20     117.2          18.2                4.0 +/-    1.65       9.2 +/-    1.65  0.090 / 0.110
G22     308.2          21.9                3.8 +/-    2.23       8.0 +/-    2.23  0.040 / 0.040
G25     88.3           14.5                4.1 +/-    2.25      10.2 +/-    2.25  0.040 / 0.040
G31     167.9          60.0                4.9 +/-    0.38       5.6 +/-    0.38  0.040 / 0.060
G32     28.1           57.6                2.6 +/-    0.78       3.0 +/-    0.78  0.040 / 0.070