PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/28-00:43:00
G01     271.7          41.0                8.0 +/-    0.81      11.5 +/-    0.81  0.040 / 0.050
G03     315.4          27.3                6.9 +/-    1.36      12.8 +/-    1.36  0.040 / 0.060
G10     129.3          18.3                9.6 +/-    1.86      22.1 +/-    1.86  0.050 / 0.110
G11     250.3          21.2               10.1 +/-    1.12      21.5 +/-    1.12  0.050 / 0.080
G14     43.7           49.6                5.3 +/-    0.69       6.7 +/-    0.69  0.090 / 0.250
G22     314.2          50.0                6.6 +/-    1.00       8.4 +/-    1.00  0.100 / 0.280
G25     51.7           16.2                5.1 +/-    1.20      12.2 +/-    1.20  0.050 / 0.090
G26     152.4          22.3               11.9 +/-    1.75      24.7 +/-    1.75  0.060 / 0.080
G31     65.3           79.7                3.4 +/-    0.75       3.5 +/-    0.75  0.030 / 0.070
G32     62.0           35.1                5.4 +/-    1.14       8.5 +/-    1.14  0.040 / 0.070