PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-15:27:40
G01     123.1          13.9               12.8 +/-    1.88      32.7 +/-    1.88  0.020 / 0.050
G07     76.0           65.0               13.1 +/-    0.59      14.3 +/-    0.59  0.020 / 0.040
G08     48.2           37.2                9.7 +/-    0.66      14.8 +/-    0.66  0.050 / 0.080
G09     178.4          33.3               14.9 +/-    2.34      24.3 +/-    2.34  0.050 / 0.080
G11     113.0          38.2               14.3 +/-    0.81      21.5 +/-    0.81  0.050 / 0.110
G13     319.6          15.8                8.1 +/-    2.49      19.8 +/-    2.49  0.050 / 0.110
G17     200.3          17.6               14.9 +/-    0.82      34.7 +/-    0.82  0.180 / 0.390
G18     98.5           18.4               11.8 +/-    1.89      27.1 +/-    1.89  0.170 / 0.330
G28     276.1          50.9               13.3 +/-    1.16      16.6 +/-    1.16  0.160 / 0.470
G30     344.0          66.7               10.8 +/-    0.61      11.7 +/-    0.61  0.160 / 0.390