PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-05:12:50
G01     41.5           17.0                3.4 +/-    2.37       8.0 +/-    2.37  0.080 / 0.110
G06     174.7          35.0                8.3 +/-    0.75      13.3 +/-    0.75  0.080 / 0.080
G11     44.0           10.9                3.4 +/-    2.79       9.3 +/-    2.79  0.080 / 0.300
G13     239.1          25.1                5.6 +/-    1.33      10.8 +/-    1.33  0.080 / 0.260
G15     270.9          13.7                2.8 +/-    1.61       7.1 +/-    1.61  0.040 / 0.030
G17     356.6          73.0                5.5 +/-    0.90       5.7 +/-    0.90  0.040 / 0.030
G19     269.6          69.4                6.0 +/-    0.59       6.4 +/-    0.59  0.040 / 0.060
G24     317.7          14.9                2.6 +/-    2.04       6.5 +/-    2.04  0.040 / 0.050
G28     55.7           54.8                6.4 +/-    0.57       7.6 +/-    0.57  0.190 / 0.420
G30     154.9          35.3                9.4 +/-    1.03      14.9 +/-    1.03  0.220 / 0.350