PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/01-22:57:50
G08     275.1          21.6               10.9 +/-    1.13      23.1 +/-    1.13  0.040 / 0.080
G10     43.1           61.2               11.2 +/-    0.32      12.6 +/-    0.32  0.040 / 0.070
G14     248.4          59.4               12.5 +/-    0.54      14.3 +/-    0.54  0.100 / 0.230
G18     315.8          24.8                8.6 +/-    1.93      16.9 +/-    1.93  0.120 / 0.220
G20     85.4           42.8               11.4 +/-    0.39      15.9 +/-    0.39  0.030 / 0.020
G21     152.7          24.2               13.0 +/-    2.01      25.9 +/-    2.01  0.040 / 0.020
G24     42.7           14.3                8.9 +/-    1.79      22.6 +/-    1.79  0.040 / 0.060
G27     240.5          22.4               11.2 +/-    2.00      23.2 +/-    2.00  0.040 / 0.060
G31     180.2          20.9               14.9 +/-    1.91      32.0 +/-    1.91  0.120 / 0.210
G32     302.9          76.6               11.7 +/-    0.62      12.0 +/-    0.62  0.110 / 0.240