PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-08:12:40
G01     73.4           32.3                3.9 +/-    1.63       6.6 +/-    1.63  0.040 / 0.030
G07     134.7          33.5                5.9 +/-    0.72       9.6 +/-    0.72  0.040 / 0.030
G11     57.4           35.7                4.8 +/-    1.13       7.5 +/-    1.13  0.100 / 0.250
G13     277.9          39.0                7.5 +/-    2.04      11.1 +/-    2.04  0.130 / 0.210
G15     305.1          14.7                1.2 +/-    2.40       3.0 +/-    2.40  0.150 / 0.080
G17     225.3          64.6                7.0 +/-    0.97       7.7 +/-    0.97  0.110 / 0.090
G19     220.4          40.7                6.5 +/-    1.58       9.4 +/-    1.58  0.050 / 0.080
G28     356.4          61.5                3.3 +/-    0.78       3.8 +/-    0.78  0.060 / 0.080
G30     131.1          68.4                5.9 +/-    0.63       6.3 +/-    0.63  0.060 / 0.050