PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-04:42:50
G01     86.0           32.5                5.7 +/-    0.69       9.4 +/-    0.69  0.060 / 0.080
G07     128.7          40.2                7.0 +/-    0.64      10.1 +/-    0.64  0.050 / 0.070
G11     63.0           37.2                3.7 +/-    0.38       5.6 +/-    0.38  0.120 / 0.110
G13     290.1          37.4                5.3 +/-    1.63       8.0 +/-    1.63  0.120 / 0.090
G15     314.0          10.4               -7.7 +/-   14.62     -21.2 +/-   14.62  0.100 / 0.110
G17     216.4          60.0                8.4 +/-    1.03       9.5 +/-    1.03  0.090 / 0.130
G18     57.2           21.2                1.9 +/-    1.83       4.1 +/-    1.83  0.090 / 0.250
G19     216.1          28.2                5.7 +/-    1.45      10.4 +/-    1.45  0.080 / 0.220
G28     351.2          61.7                3.6 +/-    0.84       4.1 +/-    0.84  0.020 / 0.030
G30     113.0          75.0                6.7 +/-    1.04       7.0 +/-    1.04  0.020 / 0.030