PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/14-00:42:50
G01     77.9           33.1                6.3 +/-    1.03      10.4 +/-    1.03  0.040 / 0.040
G07     133.5          32.7                9.3 +/-    1.28      15.5 +/-    1.28  0.050 / 0.040
G11     57.0           33.7                6.6 +/-    1.39      10.8 +/-    1.39  0.110 / 0.210
G13     281.7          38.4                5.8 +/-    2.65       8.6 +/-    2.65  0.100 / 0.250
G15     307.7          13.7                4.7 +/-    1.39      12.0 +/-    1.39  0.060 / 0.080
G17     223.4          66.0                9.1 +/-    0.71       9.8 +/-    0.71  0.080 / 0.090
G18     50.9           18.5                5.2 +/-    3.62      11.8 +/-    3.62  0.070 / 0.120
G19     219.5          35.5                9.8 +/-    1.68      15.5 +/-    1.68  0.070 / 0.110
G28     1.7            61.2                5.7 +/-    0.53       6.4 +/-    0.53  0.070 / 0.080
G30     127.7          68.1                8.7 +/-    0.41       9.3 +/-    0.41  0.070 / 0.080