PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/29-21:58:00
G01     227.1          20.3               25.4 +/-    2.23      55.6 +/-    2.23  0.040 / 0.040
G03     300.2          63.4               31.3 +/-    0.66      34.6 +/-    0.66  0.030 / 0.040
G14     79.2           31.2                9.6 +/-    1.05      16.3 +/-    1.05  0.060 / 0.140
G16     147.9          40.4               10.7 +/-    1.13      15.4 +/-    1.13  0.070 / 0.170
G22     236.5          73.5                9.5 +/-    1.91       9.9 +/-    1.91  0.060 / 0.100
G23     303.5          33.7                9.9 +/-    1.14      16.1 +/-    1.14  0.070 / 0.100
G26     106.6          52.8               10.7 +/-    1.26      13.0 +/-    1.26  0.050 / 0.040
G31     43.9           36.5                8.1 +/-    0.83      12.5 +/-    0.83  0.040 / 0.040