PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/10-22:12:30
G07     354.6          64.2               10.3 +/-    0.69      11.3 +/-    0.69  0.080 / 0.170
G08     81.0           51.3                9.2 +/-    1.01      11.4 +/-    1.01  0.070 / 0.140
G09     183.3          64.7               10.5 +/-    0.55      11.4 +/-    0.55  0.040 / 0.030
G11     138.7          19.5               11.1 +/-    1.60      24.8 +/-    1.60  0.030 / 0.040
G23     158.6          34.9               10.6 +/-    0.67      16.8 +/-    0.67  0.110 / 0.180
G27     49.8           28.9                7.4 +/-    1.97      13.3 +/-    1.97  0.080 / 0.090
G28     243.0          33.0               10.5 +/-    2.25      17.4 +/-    2.25  0.030 / 0.030
G30     308.3          40.4                9.4 +/-    1.39      13.6 +/-    1.39  0.030 / 0.030