PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-21:12:50
G01     270.9          42.9                8.4 +/-    1.05      11.6 +/-    1.05  0.050 / 0.070
G03     315.3          25.9                6.3 +/-    2.76      12.0 +/-    2.76  0.050 / 0.070
G10     128.0          16.8               11.2 +/-    1.76      26.5 +/-    1.76  0.050 / 0.060
G11     256.3          20.0               10.3 +/-    1.67      22.7 +/-    1.67  0.040 / 0.080
G14     33.8           55.2                8.5 +/-    0.56      10.1 +/-    0.56  0.090 / 0.180
G22     314.5          48.0                7.5 +/-    0.82       9.7 +/-    0.82  0.090 / 0.190
G25     55.3           17.1                6.4 +/-    1.23      15.2 +/-    1.23  0.070 / 0.260
G26     149.6          23.2               12.9 +/-    1.33      26.3 +/-    1.33  0.090 / 0.200
G31     63.4           75.6                9.3 +/-    0.61       9.6 +/-    0.61  0.080 / 0.180
G32     62.6           32.7                6.9 +/-    1.08      11.5 +/-    1.08  0.080 / 0.160