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                7.9 +/-    0.92      13.6 +/-    0.92  0.100 / 0.140
G07     139.8          21.0               10.2 +/-    0.45      21.8 +/-    0.45  0.070 / 0.140
G11     49.6           26.6                8.1 +/-    1.91      15.2 +/-    1.91  0.060 / 0.050
G13     266.2          37.3               11.4 +/-    0.93      17.4 +/-    0.93  0.040 / 0.060
G15     296.8          16.3                8.5 +/-    2.49      20.6 +/-    2.49  0.080 / 0.190
G17     243.0          72.6               11.0 +/-    0.63      11.4 +/-    0.63  0.070 / 0.190
G18     43.8           14.3                7.9 +/-    1.20      20.0 +/-    1.20  0.050 / 0.100
G19     228.0          48.1               11.9 +/-    1.26      15.4 +/-    1.26  0.070 / 0.100
G28     19.3           60.0                9.7 +/-    1.03      11.0 +/-    1.03  0.040 / 0.040
G30     140.4          52.8               10.3 +/-    0.34      12.6 +/-    0.34  0.030 / 0.040