PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/23-00:27:50
G01     258.2          38.4               11.1 +/-    1.08      16.6 +/-    1.08  0.040 / 0.040
G03     316.6          36.9                8.3 +/-    1.02      12.8 +/-    1.02  0.040 / 0.060
G11     240.9          15.0                8.5 +/-    1.80      21.1 +/-    1.80  0.050 / 0.110
G14     53.8           44.5                6.6 +/-    0.88       8.9 +/-    0.88  0.070 / 0.090
G18     223.4          31.6                9.3 +/-    0.95      15.9 +/-    0.95  0.050 / 0.090
G22     310.5          59.5                8.2 +/-    1.69       9.3 +/-    1.69  0.060 / 0.080
G25     41.9           10.8                5.6 +/-    1.14      15.4 +/-    1.14  0.100 / 0.270
G26     141.5          33.0               -8.6 +/-   38.03     -14.2 +/-   38.03  0.090 / 0.250
G31     43.8           65.5                6.8 +/-    0.31       7.4 +/-    0.31  0.140 / 0.350
G32     72.4           26.2                7.1 +/-    1.98      13.5 +/-    1.98  0.130 / 0.350