PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-00:12:30
G01     223.5          16.4               11.9 +/-    3.20      28.6 +/-    3.20  0.040 / 0.040
G03     289.1          67.1                7.4 +/-    0.56       8.0 +/-    0.56  0.040 / 0.040
G14     84.6           27.4                7.0 +/-    1.80      13.0 +/-    1.80  0.070 / 0.150
G16     143.3          45.7               10.9 +/-    1.66      14.5 +/-    1.66  0.080 / 0.190
G22     221.1          70.3                8.8 +/-    0.42       9.2 +/-    0.42  0.100 / 0.220
G23     307.9          38.1                8.3 +/-    1.80      12.5 +/-    1.80  0.260 / 0.380
G26     95.9           54.0                8.1 +/-    0.73       9.8 +/-    0.73  0.040 / 0.070
G31     45.9           30.9                5.9 +/-    1.13      10.1 +/-    1.13  0.040 / 0.070