PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-11:28:10
G10     244.1          20.4                4.0 +/-    3.95       8.8 +/-    3.95  0.080 / 0.520
G13     62.5           34.4                5.8 +/-    1.07       9.3 +/-    1.07  0.100 / 0.570
G15     100.1          56.8                8.1 +/-    0.41       9.4 +/-    0.41  0.030 / 0.060
G16     305.4          14.2                3.2 +/-    3.88       8.1 +/-    3.88  0.060 / 0.050
G20     31.5           60.6                5.5 +/-    0.64       6.3 +/-    0.64  0.040 / 0.040
G21     327.6          56.7                4.5 +/-    0.47       5.2 +/-    0.47  0.050 / 0.040
G26     276.2          18.2                3.8 +/-    1.46       8.7 +/-    1.46  0.030 / 0.030
G29     161.0          57.0                8.6 +/-    0.80      10.0 +/-    0.80  0.030 / 0.030