PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-02:28:10
G01     61.4           31.0                3.5 +/-    0.95       5.9 +/-    0.95  0.050 / 0.040
G06     182.0          12.2               -2.9 +/-   19.25      -7.6 +/-   19.25  0.060 / 0.040
G07     141.8          23.5                4.3 +/-    1.48       8.8 +/-    1.48  0.120 / 0.300
G11     50.0           26.6                1.6 +/-    2.29       2.9 +/-    2.29  0.200 / 0.480
G13     265.0          35.4                6.1 +/-    2.06       9.5 +/-    2.06  0.030 / 0.020
G15     294.2          16.8                2.4 +/-    1.05       5.7 +/-    1.05  0.030 / 0.030
G17     253.2          74.5                5.3 +/-    0.29       5.5 +/-    0.29  0.070 / 0.080
G19     231.8          50.2                5.8 +/-    2.36       7.3 +/-    2.36  0.070 / 0.080
G28     35.0           56.7                4.0 +/-    1.01       4.7 +/-    1.01  0.130 / 0.170
G30     142.0          49.0                5.7 +/-    0.63       7.3 +/-    0.63  0.100 / 0.190