PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-05:57:30
G01     37.3           10.2                4.0 +/-    4.71      11.0 +/-    4.71  0.060 / 0.130
G02     198.6          14.8                3.5 +/-    2.03       8.7 +/-    2.03  0.060 / 0.150
G06     172.3          45.0               10.0 +/-    1.69      13.5 +/-    1.69  0.100 / 0.150
G13     231.5          18.9                6.9 +/-    2.53      15.6 +/-    2.53  0.110 / 0.160
G15     262.9          10.2                3.0 +/-    2.31       8.3 +/-    2.31  0.140 / 0.380
G17     13.2           65.7                5.3 +/-    0.68       5.8 +/-    0.68  0.120 / 0.460
G19     300.9          72.5                7.9 +/-    0.74       8.2 +/-    0.74  0.210 / 0.420
G24     314.7          22.3               -0.1 +/-    1.43      -0.3 +/-    1.43  0.130 / 0.390
G28     69.9           50.9                7.4 +/-    0.75       9.2 +/-    0.75  0.040 / 0.080
G30     157.2          25.8                8.2 +/-    1.87      15.7 +/-    1.87  0.050 / 0.080