PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-05:27:50
G01     74.5           33.2                6.9 +/-    0.82      11.4 +/-    0.82  0.030 / 0.030
G07     135.4          31.8               12.6 +/-    0.87      21.3 +/-    0.87  0.040 / 0.040
G11     54.6           31.6                5.6 +/-    1.13       9.5 +/-    1.13  0.060 / 0.110
G13     278.0          38.2                5.4 +/-    1.71       8.1 +/-    1.71  0.070 / 0.090
G15     306.7          13.6                1.8 +/-    1.49       4.5 +/-    1.49  0.050 / 0.120
G17     228.4          69.3                8.7 +/-    1.01       9.2 +/-    1.01  0.050 / 0.110
G19     221.6          36.8                8.0 +/-    1.80      12.3 +/-    1.80  0.060 / 0.070
G28     9.8            60.6                5.6 +/-    0.86       6.3 +/-    0.86  0.060 / 0.070
G30     131.9          66.5                8.8 +/-    0.55       9.5 +/-    0.55  0.050 / 0.110