PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-13:42:40
G07     338.2          60.1                6.2 +/-    0.66       7.0 +/-    0.66  0.080 / 0.180
G08     104.6          51.2                7.1 +/-    0.95       8.8 +/-    0.95  0.120 / 0.200
G09     200.2          77.1                6.3 +/-    0.42       6.5 +/-    0.42  0.170 / 0.240
G11     146.6          12.6                8.8 +/-    2.57      23.2 +/-    2.57  0.120 / 0.240
G16     46.1           9.8                 5.1 +/-    4.41      14.4 +/-    4.41  0.030 / 0.040
G23     153.9          42.0                7.6 +/-    1.73      10.7 +/-    1.73  0.030 / 0.040
G27     58.4           33.5                5.9 +/-    1.14       9.7 +/-    1.14  0.050 / 0.070
G28     234.1          22.7                8.7 +/-    2.14      17.9 +/-    2.14  0.070 / 0.070
G30     302.1          36.7                6.4 +/-    1.57       9.9 +/-    1.57  0.050 / 0.060