PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-13:27:50
G01     270.5          41.6                9.0 +/-    2.17      12.8 +/-    2.17  0.070 / 0.080
G03     316.4          33.2                4.6 +/-    1.76       7.5 +/-    1.76  0.060 / 0.070
G10     129.4          16.1                7.4 +/-    1.21      18.0 +/-    1.21  0.040 / 0.060
G11     249.4          19.6                6.5 +/-    3.55      14.5 +/-    3.55  0.050 / 0.060
G14     43.9           49.6                5.3 +/-    0.89       6.8 +/-    0.89  0.180 / 0.160
G18     230.9          38.7                6.5 +/-    7.69       9.7 +/-    7.69  0.170 / 0.240
G22     314.4          56.0                6.1 +/-    1.44       7.2 +/-    1.44  0.080 / 0.050
G25     51.5           15.7                3.7 +/-    1.72       8.9 +/-    1.72  0.080 / 0.070
G31     59.3           75.8                6.9 +/-    0.39       7.1 +/-    0.39  0.040 / 0.050
G32     60.7           36.8                5.7 +/-    1.09       8.8 +/-    1.09  0.050 / 0.050