PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-23:27:50
G01     271.4          42.8                9.4 +/-    0.95      13.0 +/-    0.95  0.040 / 0.060
G03     315.3          26.0                6.4 +/-    2.40      12.1 +/-    2.40  0.040 / 0.050
G10     128.0          17.0               11.2 +/-    1.28      26.4 +/-    1.28  0.040 / 0.060
G11     255.3          20.1               11.4 +/-    1.16      25.1 +/-    1.16  0.040 / 0.060
G14     35.7           54.2                9.8 +/-    0.39      11.8 +/-    0.39  0.050 / 0.080
G22     314.5          47.7                7.4 +/-    0.98       9.6 +/-    0.98  0.040 / 0.080
G25     55.7           17.3                6.3 +/-    1.64      14.8 +/-    1.64  0.060 / 0.170
G26     149.3          23.3               12.9 +/-    1.88      26.2 +/-    1.88  0.080 / 0.110
G31     62.0           74.8                9.1 +/-    0.69       9.4 +/-    0.69  0.080 / 0.140
G32     62.3           33.2                7.4 +/-    0.68      12.1 +/-    0.68  0.100 / 0.180