PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-15:12:40
G07     53.6           67.7               10.0 +/-    0.70      10.7 +/-    0.70  0.100 / 0.110
G08     55.0           43.8                9.6 +/-    0.72      13.2 +/-    0.72  0.080 / 0.120
G09     179.6          42.5               11.7 +/-    0.92      16.4 +/-    0.92  0.060 / 0.130
G11     122.3          33.4               10.9 +/-    2.26      17.8 +/-    2.26  0.060 / 0.150
G18     106.4          14.4                9.3 +/-    2.53      23.5 +/-    2.53  0.040 / 0.040
G23     159.8          10.4               10.0 +/-    1.66      27.5 +/-    1.66  0.040 / 0.030
G27     38.2           12.0                8.2 +/-    1.95      22.0 +/-    1.95  0.100 / 0.150
G28     264.4          45.9               10.7 +/-    2.62      14.2 +/-    2.62  0.320 / 0.230
G30     332.0          59.8                9.2 +/-    0.64      10.4 +/-    0.64  0.250 / 0.480