PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-05:27:40
G01     39.0           13.4                1.5 +/-    1.00       3.9 +/-    1.00  0.060 / 0.120
G02     198.4          10.8               -0.3 +/-   11.66      -0.8 +/-   11.66  0.060 / 0.110
G06     173.6          40.2                8.5 +/-    1.06      12.4 +/-    1.06  0.090 / 0.230
G13     234.9          21.9                6.8 +/-    1.03      14.3 +/-    1.03  0.090 / 0.270
G15     266.5          11.9                4.1 +/-    1.93      11.0 +/-    1.93  0.220 / 0.410
G17     6.7            69.1                5.8 +/-    0.46       6.1 +/-    0.46  0.220 / 0.330
G19     285.3          71.6                5.6 +/-    0.78       5.9 +/-    0.78  0.150 / 0.170
G24     316.3          18.9                3.6 +/-    1.60       8.1 +/-    1.60  0.160 / 0.190
G28     63.4           52.9                6.1 +/-    1.23       7.4 +/-    1.23  0.040 / 0.070
G30     156.3          30.2                9.3 +/-    0.88      16.2 +/-    0.88  0.040 / 0.080