PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-04:13:00
G07     44.0           69.7                7.7 +/-    0.92       8.1 +/-    0.92  0.040 / 0.040
G08     53.1           41.8                5.9 +/-    1.29       8.4 +/-    1.29  0.050 / 0.050
G09     175.6          36.8                9.7 +/-    1.69      14.9 +/-    1.69  0.060 / 0.060
G11     125.2          34.2                8.5 +/-    1.18      13.7 +/-    1.18  0.060 / 0.060
G17     199.0          11.6               -2.1 +/-   15.21      -5.6 +/-   15.21  0.110 / 0.130
G23     160.7          11.0                4.4 +/-    9.53      12.0 +/-    9.53  0.110 / 0.100
G27     37.5           9.8                 3.5 +/-    3.37       9.9 +/-    3.37  0.180 / 0.480
G28     263.8          44.1                7.8 +/-    4.28      10.7 +/-    4.28  0.090 / 0.480
G30     325.1          55.2                6.2 +/-    0.69       7.4 +/-    0.69  0.310 / 0.590