PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-04:43:00
G01     109.6          22.3                8.1 +/-    0.73      16.9 +/-    0.73  0.040 / 0.030
G07     98.1           61.7                6.6 +/-    0.90       7.4 +/-    0.90  0.030 / 0.030
G08     42.5           24.3                2.5 +/-    1.60       5.1 +/-    1.60  0.040 / 0.070
G09     173.4          15.8                6.4 +/-    1.41      15.6 +/-    1.41  0.050 / 0.070
G11     100.1          44.3                7.5 +/-    0.46      10.3 +/-    0.46  0.050 / 0.100
G13     312.6          26.7                6.3 +/-    1.93      11.8 +/-    1.93  0.060 / 0.110
G17     202.9          32.6                8.7 +/-    1.68      14.4 +/-    1.68  0.270 / 0.520
G19     206.6          10.6               -0.4 +/-   16.11      -1.0 +/-   16.11  0.300 / 0.470
G28     293.7          55.1                7.0 +/-    0.95       8.3 +/-    0.95  0.040 / 0.060
G30     352.1          73.0                6.3 +/-    0.56       6.6 +/-    0.56  0.040 / 0.060