PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-04:57:50
G01     81.2           31.9                4.0 +/-    1.04       6.8 +/-    1.04  0.030 / 0.020
G07     129.7          40.8                6.7 +/-    0.59       9.6 +/-    0.59  0.040 / 0.030
G11     65.2           40.9                4.4 +/-    0.82       6.4 +/-    0.82  0.120 / 0.200
G13     286.8          38.7                4.4 +/-    2.66       6.6 +/-    2.66  0.130 / 0.200
G15     309.3          13.7                1.9 +/-    2.13       5.0 +/-    2.13  0.040 / 0.050
G17     217.3          59.4                7.0 +/-    1.03       8.0 +/-    1.03  0.040 / 0.050
G19     216.0          34.4                7.9 +/-    1.25      12.6 +/-    1.25  0.050 / 0.050
G28     340.8          61.3                4.7 +/-    0.44       5.3 +/-    0.44  0.070 / 0.050
G30     116.0          76.1                6.2 +/-    0.77       6.4 +/-    0.77  0.070 / 0.070