PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-06:28:00
G01     61.4           30.2                4.9 +/-    1.11       8.6 +/-    1.11  0.030 / 0.030
G06     179.8          12.4                2.7 +/-   20.57       7.0 +/-   20.57  0.030 / 0.040
G07     140.4          24.9                6.1 +/-    1.03      11.9 +/-    1.03  0.130 / 0.220
G11     50.7           29.4                3.5 +/-    1.09       6.3 +/-    1.09  0.110 / 0.190
G13     264.7          37.3                9.3 +/-    2.01      14.2 +/-    2.01  0.040 / 0.040
G15     294.6          16.9                4.5 +/-    1.91      10.6 +/-    1.91  0.050 / 0.060
G17     246.3          74.7                8.8 +/-    0.48       9.1 +/-    0.48  0.030 / 0.030
G19     228.7          50.4                9.8 +/-    2.80      12.3 +/-    2.80  0.030 / 0.030
G28     14.8           60.7                6.5 +/-    1.37       7.3 +/-    1.37  0.060 / 0.180
G30     142.4          59.2                8.4 +/-    0.29       9.6 +/-    0.29  0.100 / 0.200