PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-05:28:00
G01     39.0           13.4                2.1 +/-    3.99       5.4 +/-    3.99  0.110 / 0.100
G02     198.4          10.8               -1.5 +/-    7.41      -4.2 +/-    7.41  0.080 / 0.130
G06     173.6          40.2                8.4 +/-    0.96      12.2 +/-    0.96  0.230 / 0.490
G13     234.9          21.9                5.6 +/-    1.75      11.8 +/-    1.75  0.260 / 0.420
G15     266.5          11.9                5.1 +/-    4.07      13.6 +/-    4.07  0.160 / 0.280
G17     6.7            69.1                5.8 +/-    0.44       6.1 +/-    0.44  0.170 / 0.410
G19     285.3          71.6                5.9 +/-    0.68       6.2 +/-    0.68  0.040 / 0.060
G24     316.3          18.9                1.9 +/-    2.83       4.2 +/-    2.83  0.040 / 0.060
G28     63.4           52.9                6.3 +/-    1.80       7.7 +/-    1.80  0.030 / 0.030
G30     156.3          30.2                9.4 +/-    1.33      16.3 +/-    1.33  0.040 / 0.030