PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-14:27:50
G01     50.9           26.0                8.0 +/-    1.23      15.3 +/-    1.23  0.040 / 0.060
G06     176.4          25.7                9.3 +/-    1.55      17.9 +/-    1.55  0.040 / 0.060
G07     145.9          13.3                9.7 +/-    1.80      25.2 +/-    1.80  0.060 / 0.190
G11     44.6           15.0                5.0 +/-    1.19      12.4 +/-    1.19  0.090 / 0.190
G13     251.2          31.0               10.2 +/-    1.24      17.5 +/-    1.24  0.160 / 0.560
G15     287.9          14.8                6.8 +/-    1.88      17.0 +/-    1.88  0.180 / 0.460
G17     315.0          79.0                8.9 +/-    0.61       9.0 +/-    0.61  0.040 / 0.060
G19     243.1          55.6                9.6 +/-    1.62      11.4 +/-    1.62  0.040 / 0.060
G28     50.6           53.4                7.4 +/-    0.83       8.9 +/-    0.83  0.050 / 0.070
G30     149.7          43.9                9.8 +/-    0.94      13.4 +/-    0.94  0.050 / 0.050