PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-07:27:40
G01     37.4           10.4                3.5 +/-    3.74       9.8 +/-    3.74  0.070 / 0.140
G02     198.9          14.0                4.4 +/-    2.52      11.2 +/-    2.52  0.070 / 0.160
G06     172.0          45.3                9.6 +/-    1.22      12.9 +/-    1.22  0.080 / 0.350
G13     231.6          18.9                7.8 +/-    1.92      17.5 +/-    1.92  0.130 / 0.320
G15     263.7          10.2                4.9 +/-    1.68      13.6 +/-    1.68  0.080 / 0.320
G17     11.9           66.2                5.0 +/-    0.56       5.4 +/-    0.56  0.090 / 0.260
G19     300.7          72.4                6.8 +/-    0.75       7.1 +/-    0.75  0.040 / 0.030
G24     314.7          22.2                1.4 +/-    2.17       3.0 +/-    2.17  0.030 / 0.040
G28     70.4           50.6                6.0 +/-    0.59       7.5 +/-    0.59  0.040 / 0.070
G30     157.0          25.4                8.5 +/-    1.07      16.4 +/-    1.07  0.050 / 0.080