PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-19:28:10
G02     205.3          40.7               12.5 +/-    1.14      18.0 +/-    1.14  0.060 / 0.120
G06     149.4          74.4               10.5 +/-    0.59      10.9 +/-    0.59  0.070 / 0.140
G12     309.6          18.0                9.6 +/-    1.95      22.3 +/-    1.95  0.050 / 0.080
G17     40.3           45.7                9.5 +/-    1.10      12.7 +/-    1.10  0.050 / 0.090
G19     14.5           61.0                9.5 +/-    0.79      10.8 +/-    0.79  0.080 / 0.070
G24     290.4          40.5                8.6 +/-    7.25      12.5 +/-    7.25  0.080 / 0.070
G28     105.6          31.7               10.0 +/-    1.17      16.8 +/-    1.17  0.110 / 0.200