PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-15:12:50
G01     99.9           28.1                7.5 +/-    1.69      13.6 +/-    1.69  0.060 / 0.050
G07     117.0          48.8                8.8 +/-    0.64      11.3 +/-    0.64  0.050 / 0.050
G08     41.7           16.7                6.7 +/-    3.37      16.0 +/-    3.37  0.040 / 0.060
G11     79.7           43.0                8.6 +/-    0.65      12.0 +/-    0.65  0.050 / 0.080
G13     303.8          33.1                7.0 +/-    1.98      11.5 +/-    1.98  0.030 / 0.060
G17     208.1          42.1                9.0 +/-    0.59      12.7 +/-    0.59  0.040 / 0.050
G18     72.4           24.4                8.9 +/-    1.45      17.7 +/-    1.45  0.080 / 0.140
G19     210.0          19.5               -1.2 +/-    9.85      -2.7 +/-    9.85  0.090 / 0.120
G28     318.3          60.1                7.7 +/-    0.85       8.7 +/-    0.85  0.040 / 0.070
G30     70.6           78.7                8.4 +/-    0.94       8.6 +/-    0.94  0.050 / 0.070