PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/02-04:57:50
G07     44.8           69.6                5.0 +/-    0.32       5.3 +/-    0.32  0.040 / 0.040
G08     53.4           42.2                5.4 +/-    1.10       7.6 +/-    1.10  0.040 / 0.040
G09     176.0          37.3                6.2 +/-    1.31       9.5 +/-    1.31  0.030 / 0.040
G11     124.8          34.2                6.4 +/-    1.15      10.3 +/-    1.15  0.030 / 0.040
G17     199.1          11.2               -1.7 +/-   17.63      -4.6 +/-   17.63  0.050 / 0.100
G23     160.6          10.8                4.4 +/-    7.23      12.0 +/-    7.23  0.070 / 0.090
G28     263.9          44.3                3.7 +/-    1.88       5.1 +/-    1.88  0.250 / 0.300
G30     325.4          55.4                3.9 +/-    0.93       4.6 +/-    0.93  0.260 / 0.400