PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-21:28:00
G07     355.4          64.6               10.7 +/-    0.59      11.8 +/-    0.59  0.050 / 0.130
G08     80.1           53.6               11.9 +/-    0.94      14.4 +/-    0.94  0.060 / 0.110
G09     183.3          59.9               13.4 +/-    0.60      15.2 +/-    0.60  0.090 / 0.110
G11     139.3          21.0               14.5 +/-    2.71      31.2 +/-    2.71  0.160 / 0.120
G23     158.1          25.6               12.2 +/-    1.00      23.4 +/-    1.00  0.040 / 0.050
G27     44.3           22.7                8.2 +/-    2.29      16.8 +/-    2.29  0.040 / 0.040
G28     250.0          40.3               13.4 +/-    1.80      19.3 +/-    1.80  0.070 / 0.140
G30     315.7          47.2               10.8 +/-    0.57      14.1 +/-    0.57  0.070 / 0.120