PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-08:12:50
G01     320.2          15.5               -2.6 +/-   22.99      -6.3 +/-   22.99  0.120 / 0.380
G08     261.3          15.3                6.6 +/-    1.43      16.3 +/-    1.43  0.100 / 0.370
G10     74.5           54.0                3.5 +/-    0.38       4.2 +/-    0.38  0.130 / 0.400
G11     305.9          21.5                1.5 +/-    2.13       3.2 +/-    2.13  0.170 / 0.400
G14     285.7          70.2                3.0 +/-    0.90       3.2 +/-    0.90  0.030 / 0.040
G18     307.2          39.0                3.7 +/-    0.56       5.5 +/-    0.56  0.040 / 0.040
G20     102.2          31.7                4.8 +/-    0.95       8.1 +/-    0.95  0.040 / 0.060
G27     227.8          11.8                5.2 +/-    3.19      13.8 +/-    3.19  0.050 / 0.050
G31     176.7          37.7                8.4 +/-    1.18      12.7 +/-    1.18  0.100 / 0.260
G32     347.1          71.8                3.8 +/-    0.74       4.0 +/-    0.74  0.100 / 0.250