PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-05:42:50
G01     293.7          39.5                6.4 +/-    1.41       9.4 +/-    1.41  0.040 / 0.090
G03     311.0          14.5                5.2 +/-    1.67      13.2 +/-    1.67  0.050 / 0.070
G10     117.9          30.3                6.0 +/-    1.00      10.5 +/-    1.00  0.060 / 0.060
G11     267.0          26.5                9.9 +/-    2.00      18.6 +/-    2.00  0.050 / 0.060
G14     16.9           61.3                4.3 +/-    0.69       4.8 +/-    0.69  0.060 / 0.090
G18     256.3          48.3                8.5 +/-    1.78      10.9 +/-    1.78  0.050 / 0.120
G22     313.5          36.9                6.6 +/-    1.02      10.0 +/-    1.02  0.080 / 0.190
G25     68.7           18.6                4.0 +/-    0.82       9.0 +/-    0.82  0.090 / 0.250
G31     127.0          77.9                8.0 +/-    0.44       8.2 +/-    0.44  0.080 / 0.090
G32     50.4           41.9                4.0 +/-    0.44       5.6 +/-    0.44  0.060 / 0.080