PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-04:57:40
G01     81.2           31.9                5.5 +/-    0.81       9.2 +/-    0.81  0.030 / 0.030
G07     129.7          40.8                7.2 +/-    0.91      10.3 +/-    0.91  0.030 / 0.040
G11     65.2           40.9                5.4 +/-    0.43       7.8 +/-    0.43  0.060 / 0.160
G13     286.8          38.7                6.6 +/-    1.65       9.8 +/-    1.65  0.090 / 0.180
G15     309.3          13.7                2.9 +/-    1.01       7.4 +/-    1.01  0.040 / 0.060
G17     217.3          59.4                8.3 +/-    0.70       9.5 +/-    0.70  0.050 / 0.080
G19     216.0          34.4                8.7 +/-    1.86      13.9 +/-    1.86  0.060 / 0.060
G28     340.8          61.3                5.6 +/-    0.58       6.2 +/-    0.58  0.060 / 0.060
G30     116.0          76.1                6.2 +/-    0.51       6.4 +/-    0.51  0.070 / 0.080