PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-07:58:00
G01     84.8           32.7                4.7 +/-    0.82       7.8 +/-    0.82  0.050 / 0.060
G07     129.4          40.5                6.4 +/-    0.50       9.3 +/-    0.50  0.040 / 0.060
G11     63.8           37.0                3.3 +/-    0.93       5.0 +/-    0.93  0.050 / 0.070
G13     291.1          36.2                3.9 +/-    1.30       6.1 +/-    1.30  0.050 / 0.080
G15     312.2          12.0                1.1 +/-    1.83       3.0 +/-    1.83  0.080 / 0.250
G17     218.2          59.9                7.1 +/-    0.48       8.0 +/-    0.48  0.120 / 0.230
G19     216.7          32.7                6.1 +/-    3.01      10.1 +/-    3.01  0.040 / 0.040
G28     359.2          61.2                3.5 +/-    0.65       3.9 +/-    0.65  0.040 / 0.030
G30     116.1          72.2                5.3 +/-    0.55       5.5 +/-    0.55  0.060 / 0.100