PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-17:12:50
G01     63.6           31.3                8.5 +/-    1.65      14.4 +/-    1.65  0.060 / 0.060
G07     139.8          21.0                9.5 +/-    1.82      20.4 +/-    1.82  0.030 / 0.050
G11     49.6           26.6                7.9 +/-    2.84      14.9 +/-    2.84  0.090 / 0.220
G13     266.2          37.3               10.2 +/-    0.99      15.6 +/-    0.99  0.080 / 0.210
G15     296.8          16.3               10.2 +/-    1.70      24.7 +/-    1.70  0.080 / 0.130
G17     243.0          72.6               10.5 +/-    0.38      11.0 +/-    0.38  0.100 / 0.180
G18     43.8           14.3                7.5 +/-    3.24      18.9 +/-    3.24  0.060 / 0.100
G19     228.0          48.1               11.5 +/-    2.27      14.8 +/-    2.27  0.080 / 0.120
G28     19.3           60.0                9.1 +/-    1.44      10.4 +/-    1.44  0.030 / 0.030
G30     140.4          52.8               10.7 +/-    0.62      13.1 +/-    0.62  0.030 / 0.030