PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-18:12:40
G01     49.6           25.0               10.3 +/-    0.56      20.2 +/-    0.56  0.040 / 0.060
G06     178.1          23.7               12.7 +/-    1.85      25.5 +/-    1.85  0.030 / 0.070
G11     44.4           14.9                9.6 +/-    1.11      24.0 +/-    1.11  0.180 / 0.390
G13     249.6          31.1               13.8 +/-    0.89      23.5 +/-    0.89  0.170 / 0.330
G15     283.1          15.8               13.4 +/-    1.16      32.6 +/-    1.16  0.070 / 0.150
G17     307.8          78.8               12.5 +/-    0.86      12.7 +/-    0.86  0.070 / 0.120
G19     245.9          60.7               13.9 +/-    0.98      15.7 +/-    0.98  0.100 / 0.170
G28     44.7           56.1               11.6 +/-    0.51      13.7 +/-    0.51  0.090 / 0.190
G30     148.8          38.3               12.6 +/-    0.84      18.9 +/-    0.84  0.080 / 0.160