PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/25-08:43:10
G01     317.6          21.1                4.0 +/-    3.47       8.7 +/-    3.47  0.050 / 0.060
G08     256.2          11.2                5.4 +/-    2.54      14.6 +/-    2.54  0.040 / 0.050
G10     85.7           51.0                5.2 +/-    0.83       6.5 +/-    0.83  0.130 / 0.240
G11     300.2          24.1                6.1 +/-    1.69      12.2 +/-    1.69  0.130 / 0.260
G14     297.1          68.9                5.0 +/-    0.39       5.3 +/-    0.39  0.130 / 0.310
G18     301.2          42.4                6.6 +/-    1.11       9.2 +/-    1.11  0.180 / 0.240
G20     112.5          12.1                5.2 +/-    2.67      13.9 +/-    2.67  0.030 / 0.040
G22     303.6          16.7                2.4 +/-    4.09       5.6 +/-    4.09  0.030 / 0.040
G31     172.7          48.4                5.4 +/-    0.72       6.9 +/-    0.72  0.140 / 0.420
G32     18.1           63.3                3.9 +/-    0.72       4.3 +/-    0.72  0.120 / 0.370