PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-13:27:50
G01     275.7          42.0                6.1 +/-    2.17       8.6 +/-    2.17  0.060 / 0.060
G03     315.7          29.8                4.1 +/-    1.30       7.2 +/-    1.30  0.050 / 0.060
G10     127.2          19.1                6.1 +/-    2.13      13.7 +/-    2.13  0.110 / 0.170
G11     252.9          21.4                7.8 +/-    2.12      16.5 +/-    2.12  0.090 / 0.190
G14     39.5           51.8                5.2 +/-    1.03       6.4 +/-    1.03  0.050 / 0.050
G18     234.7          41.3                7.1 +/-    1.56      10.2 +/-    1.56  0.040 / 0.050
G22     315.1          52.3                5.2 +/-    0.91       6.4 +/-    0.91  0.040 / 0.070
G25     54.9           16.7                4.1 +/-    1.82       9.7 +/-    1.82  0.040 / 0.060
G31     73.4           78.8                6.1 +/-    0.49       6.2 +/-    0.49  0.060 / 0.050
G32     57.3           39.0                4.9 +/-    1.13       7.3 +/-    1.13  0.060 / 0.040