PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-07:57:50
G01     52.2           26.4                5.0 +/-    1.77       9.6 +/-    1.77  0.050 / 0.060
G06     177.4          21.1                5.5 +/-    3.16      11.8 +/-    3.16  0.040 / 0.050
G07     144.3          15.9                5.9 +/-    1.47      14.4 +/-    1.47  0.120 / 0.310
G11     46.4           21.5                3.9 +/-    2.77       8.2 +/-    2.77  0.150 / 0.300
G13     253.5          33.5                7.6 +/-    1.23      12.4 +/-    1.23  0.190 / 0.140
G15     286.3          16.5                3.9 +/-    1.12       9.5 +/-    1.12  0.130 / 0.260
G17     286.0          79.1                7.7 +/-    0.76       7.9 +/-    0.76  0.030 / 0.030
G19     239.9          58.7                7.7 +/-    2.52       8.8 +/-    2.52  0.020 / 0.030
G28     32.8           58.8                5.6 +/-    1.13       6.4 +/-    1.13  0.040 / 0.050
G30     148.6          49.0                8.9 +/-    1.30      11.3 +/-    1.30  0.050 / 0.050