PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-06:43:00
G01     54.4           27.5                2.0 +/-    1.32       3.8 +/-    1.32  0.090 / 0.200
G06     178.1          18.7                5.1 +/-    1.13      11.5 +/-    1.13  0.110 / 0.220
G07     143.4          18.6                6.8 +/-    1.61      15.6 +/-    1.61  0.030 / 0.050
G11     47.4           24.0                2.6 +/-    0.67       5.3 +/-    0.67  0.040 / 0.050
G13     256.3          34.7                8.0 +/-    0.83      12.8 +/-    0.83  0.040 / 0.050
G15     288.0          16.9                4.3 +/-    1.29      10.3 +/-    1.29  0.040 / 0.050
G17     274.9          78.8                7.6 +/-    0.36       7.8 +/-    0.36  0.060 / 0.160
G19     236.5          56.6                8.7 +/-    1.27      10.2 +/-    1.27  0.070 / 0.170
G28     27.7           59.5                4.7 +/-    0.82       5.3 +/-    0.82  0.030 / 0.070
G30     147.3          52.1                9.2 +/-    0.56      11.3 +/-    0.56  0.040 / 0.060