PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-07:13:10
G02     199.0          17.0                4.7 +/-    2.02      11.1 +/-    2.02  0.050 / 0.050
G06     171.1          48.5                6.2 +/-    0.95       7.9 +/-    0.95  0.040 / 0.040
G13     229.4          16.9                4.9 +/-    5.64      11.6 +/-    5.64  0.080 / 0.210
G17     16.3           63.7               -3.6 +/-    0.66      -3.9 +/-    0.66  0.080 / 0.210
G19     311.7          72.5                4.0 +/-    0.92       4.1 +/-    0.92  0.050 / 0.070
G24     313.3          24.5                3.7 +/-    2.29       7.3 +/-    2.29  0.040 / 0.060
G28     74.4           49.2                4.4 +/-    0.48       5.5 +/-    0.48  0.140 / 0.140
G30     157.6          22.6                6.5 +/-    1.01      13.5 +/-    1.01  0.090 / 0.120