PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-01:43:10
G01     284.7          41.0                6.0 +/-    1.66       8.5 +/-    1.66  0.070 / 0.090
G03     313.1          18.9                5.8 +/-    1.57      13.2 +/-    1.57  0.070 / 0.080
G10     123.0          26.0                7.6 +/-    1.01      14.4 +/-    1.01  0.050 / 0.060
G11     259.0          25.3                8.7 +/-    1.09      16.9 +/-    1.09  0.040 / 0.050
G14     32.4           55.2                4.7 +/-    1.04       5.5 +/-    1.04  0.050 / 0.070
G22     314.2          41.5                6.1 +/-    2.10       8.6 +/-    2.10  0.050 / 0.080
G25     60.1           17.8                5.6 +/-    0.65      12.9 +/-    0.65  0.040 / 0.060
G26     157.6          14.7                7.5 +/-    2.57      18.8 +/-    2.57  0.040 / 0.060
G31     124.1          81.2                7.4 +/-    0.55       7.5 +/-    0.55  0.020 / 0.020
G32     52.6           41.9                4.3 +/-    0.60       6.0 +/-    0.60  0.020 / 0.030