PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-07:43:00
G08     265.6          16.3                8.1 +/-    2.50      19.4 +/-    2.50  0.040 / 0.060
G10     68.3           56.7                3.0 +/-    0.72       3.6 +/-    0.72  0.050 / 0.060
G11     309.3          18.9                5.4 +/-    2.32      12.2 +/-    2.32  0.080 / 0.450
G14     269.9          64.8                3.6 +/-    0.66       3.9 +/-    0.66  0.150 / 0.400
G18     310.4          34.4                6.4 +/-    2.06      10.3 +/-    2.06  0.150 / 0.430
G20     103.0          24.2                4.4 +/-    0.84       8.7 +/-    0.84  0.140 / 0.380
G21     155.4          12.0                3.7 +/-    2.49       9.8 +/-    2.49  0.300 / 0.450
G27     228.7          13.1                3.8 +/-   21.43       9.9 +/-   21.43  0.220 / 0.430
G31     175.7          36.5                8.0 +/-    1.34      12.4 +/-    1.34  0.120 / 0.280
G32     357.2          71.2                5.0 +/-    0.69       5.3 +/-    0.69  0.130 / 0.240