PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-16:42:50
G01     52.7           27.0                6.3 +/-    0.97      11.7 +/-    0.97  0.120 / 0.250
G06     178.4          20.6                9.8 +/-    1.59      21.3 +/-    1.59  0.080 / 0.250
G07     144.1          11.9                7.6 +/-    2.18      20.4 +/-    2.18  0.040 / 0.080
G11     45.4           18.3                5.6 +/-    1.62      12.9 +/-    1.62  0.040 / 0.060
G13     253.5          33.1                9.5 +/-    1.66      15.7 +/-    1.66  0.070 / 0.230
G15     286.8          16.2                8.2 +/-    2.14      19.7 +/-    2.14  0.080 / 0.210
G17     282.9          78.2                9.9 +/-    0.45      10.0 +/-    0.45  0.060 / 0.120
G19     240.3          57.8                9.5 +/-    0.91      11.0 +/-    0.91  0.060 / 0.120
G28     37.9           57.5                7.8 +/-    0.80       9.1 +/-    0.80  0.040 / 0.030
G30     147.2          42.8                9.9 +/-    1.00      13.7 +/-    1.00  0.040 / 0.030