PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/09-00:28:10
G01     317.0          23.5                8.3 +/-    2.27      16.7 +/-    2.27  0.250 / 0.160
G08     256.5          11.2               11.3 +/-    2.98      30.8 +/-    2.98  0.140 / 0.120
G10     87.6           48.7                9.3 +/-    1.16      12.0 +/-    1.16  0.040 / 0.040
G11     299.9          23.8                8.7 +/-    0.83      17.5 +/-    0.83  0.040 / 0.040
G14     304.9          70.6                8.4 +/-    0.44       8.9 +/-    0.44  0.100 / 0.070
G18     299.6          44.2                9.5 +/-    5.10      12.9 +/-    5.10  0.080 / 0.120
G20     109.8          24.8                8.7 +/-    0.99      17.1 +/-    0.99  0.030 / 0.030
G22     303.1          12.4                8.7 +/-    1.90      23.1 +/-    1.90  0.030 / 0.030
G31     172.9          48.3               10.6 +/-    1.36      13.7 +/-    1.36  0.290 / 0.400
G32     16.2           64.1                8.0 +/-    0.58       8.8 +/-    0.58  0.150 / 0.340