PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/23-01:43:10
G01     248.6          34.1                5.8 +/-    1.11       9.4 +/-    1.11  0.080 / 0.250
G03     315.5          44.1                3.3 +/-    1.82       4.5 +/-    1.82  0.080 / 0.270
G11     234.6          11.7                4.3 +/-    2.34      11.5 +/-    2.34  0.030 / 0.040
G14     63.4           38.5                3.7 +/-    0.73       5.5 +/-    0.73  0.030 / 0.040
G16     165.8          17.5                6.1 +/-    2.76      14.3 +/-    2.76  0.040 / 0.050
G22     302.7          66.9                4.5 +/-    0.59       4.8 +/-    0.59  0.030 / 0.040
G23     287.6          19.3                5.4 +/-    1.14      12.1 +/-    1.14  0.070 / 0.110
G26     140.1          38.0                8.1 +/-    0.83      12.2 +/-    0.83  0.080 / 0.120
G31     39.2           61.1                3.3 +/-    0.50       3.7 +/-    0.50  0.060 / 0.100
G32     77.9           23.9                5.1 +/-    1.14      10.2 +/-    1.14  0.060 / 0.100