PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-05:27:50
G01     48.2           23.6                3.5 +/-    2.18       7.1 +/-    2.18  0.040 / 0.040
G06     176.7          25.0                6.3 +/-    1.73      12.3 +/-    1.73  0.050 / 0.040
G07     145.9          12.7                6.3 +/-    1.31      16.5 +/-    1.31  0.130 / 0.210
G11     45.4           19.0                3.9 +/-    2.18       8.7 +/-    2.18  0.160 / 0.200
G13     248.6          31.2                6.8 +/-    2.02      11.5 +/-    2.02  0.040 / 0.060
G15     280.5          16.2                6.6 +/-    0.83      15.9 +/-    0.83  0.040 / 0.060
G17     318.3          79.2                7.2 +/-    0.33       7.3 +/-    0.33  0.030 / 0.020
G19     247.0          62.5                7.2 +/-    0.71       8.0 +/-    0.71  0.020 / 0.030
G28     39.3           58.0                5.4 +/-    1.98       6.2 +/-    1.98  0.050 / 0.040
G30     151.1          45.4                9.5 +/-    0.41      12.8 +/-    0.41  0.040 / 0.040