PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-05:28:10
G02     219.3          66.6                5.6 +/-    0.67       6.0 +/-    0.67  0.060 / 0.090
G06     51.6           73.7                2.9 +/-    0.41       3.1 +/-    0.41  0.070 / 0.070
G12     319.4          38.4                2.5 +/-    1.35       3.7 +/-    1.35  0.160 / 0.580
G17     60.3           30.8                3.1 +/-    0.86       5.4 +/-    0.86  0.210 / 0.570
G19     44.7           46.1                2.9 +/-    0.40       3.8 +/-    0.40  0.040 / 0.060
G24     261.1          40.4                7.2 +/-    1.25      10.4 +/-    1.25  0.070 / 0.080
G28     125.6          9.9                 4.8 +/-    2.76      13.5 +/-    2.76  0.060 / 0.080