PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-04:12:40
G01     78.7           32.0                7.8 +/-    1.34      13.2 +/-    1.34  0.040 / 0.040
G07     131.2          39.4                9.6 +/-    0.91      14.1 +/-    0.91  0.030 / 0.040
G11     63.5           40.2                5.6 +/-    0.98       8.1 +/-    0.98  0.030 / 0.080
G13     284.3          39.0                5.6 +/-    1.25       8.3 +/-    1.25  0.040 / 0.100
G15     307.4          14.6                1.8 +/-    1.52       4.5 +/-    1.52  0.070 / 0.100
G17     219.2          61.7                9.9 +/-    0.62      11.1 +/-    0.62  0.080 / 0.100
G19     217.1          36.2                8.6 +/-    1.41      13.3 +/-    1.41  0.050 / 0.100
G28     344.0          61.4                5.9 +/-    0.57       6.6 +/-    0.57  0.050 / 0.090
G30     121.0          74.7                8.3 +/-    0.92       8.6 +/-    0.92  0.050 / 0.060