PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-06:28:00
G01     40.3           15.4                1.9 +/-    1.68       4.7 +/-    1.68  0.060 / 0.090
G06     173.9          37.8                9.5 +/-    1.34      14.3 +/-    1.34  0.060 / 0.090
G13     237.1          23.5                7.2 +/-    1.67      14.5 +/-    1.67  0.100 / 0.250
G15     269.3          12.8                5.8 +/-    1.75      15.2 +/-    1.75  0.080 / 0.240
G17     0.8            71.4                6.6 +/-    0.50       7.0 +/-    0.50  0.040 / 0.040
G19     277.0          70.6                7.1 +/-    0.48       7.4 +/-    0.48  0.040 / 0.050
G24     317.1          16.8                3.2 +/-    2.71       7.6 +/-    2.71  0.040 / 0.070
G28     60.0           53.7                5.1 +/-    0.64       6.1 +/-    0.64  0.040 / 0.060
G30     155.5          32.4               10.1 +/-    0.95      16.8 +/-    0.95  0.030 / 0.030