PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-05:28:00
G01     75.9           32.1                4.4 +/-    1.11       7.3 +/-    1.11  0.090 / 0.080
G07     133.0          36.7                7.2 +/-    0.76      11.1 +/-    0.76  0.080 / 0.100
G11     60.5           38.3                3.1 +/-    0.95       4.6 +/-    0.95  0.120 / 0.350
G13     281.1          39.1                3.6 +/-    1.76       5.4 +/-    1.76  0.110 / 0.390
G15     305.8          15.0                1.4 +/-    2.15       3.5 +/-    2.15  0.030 / 0.030
G17     222.1          63.6               -0.8 +/-    0.80      -0.9 +/-    0.80  0.030 / 0.030
G19     218.6          38.6                6.1 +/-    1.83       9.0 +/-    1.83  0.040 / 0.060
G28     349.7          61.5                2.2 +/-    0.94       2.5 +/-    0.94  0.040 / 0.060
G30     126.7          72.0                6.7 +/-    0.42       7.0 +/-    0.42  0.040 / 0.100