PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-06:57:50
G01     41.7           17.3                3.0 +/-    1.20       7.1 +/-    1.20  0.040 / 0.040
G06     175.8          36.8               10.3 +/-    1.56      15.8 +/-    1.56  0.040 / 0.040
G13     238.2          23.1                7.0 +/-    2.90      14.3 +/-    2.90  0.080 / 0.160
G15     273.9          12.4                5.2 +/-    1.71      13.6 +/-    1.71  0.120 / 0.170
G17     6.0            69.8                7.4 +/-    0.80       7.8 +/-    0.80  0.060 / 0.130
G19     268.8          66.3                5.5 +/-    0.72       6.0 +/-    0.72  0.060 / 0.130
G24     315.3          22.3                1.1 +/-    1.62       2.2 +/-    1.62  0.040 / 0.030
G28     67.8           49.0                6.9 +/-    1.00       8.9 +/-    1.00  0.040 / 0.030
G30     154.7          30.3                9.5 +/-    1.07      16.6 +/-    1.07  0.090 / 0.260