PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-18:12:50
G01     54.6           28.0                7.5 +/-    0.89      13.7 +/-    0.89  0.040 / 0.060
G06     179.3          18.3               11.7 +/-    3.94      26.9 +/-    3.94  0.040 / 0.050
G07     143.4          12.8               10.9 +/-    3.14      28.6 +/-    3.14  0.100 / 0.260
G11     45.8           19.5                7.2 +/-    1.01      16.0 +/-    1.01  0.050 / 0.290
G13     255.7          34.0               10.8 +/-    1.00      17.5 +/-    1.00  0.040 / 0.070
G15     288.4          16.5                8.8 +/-    2.18      21.0 +/-    2.18  0.050 / 0.050
G17     277.4          78.3               10.7 +/-    0.36      10.9 +/-    0.36  0.050 / 0.120
G19     237.7          55.9               11.2 +/-    0.87      13.3 +/-    0.87  0.050 / 0.100
G28     35.3           57.8                9.4 +/-    0.39      10.8 +/-    0.39  0.080 / 0.210
G30     146.1          44.1               12.7 +/-    1.25      17.3 +/-    1.25  0.150 / 0.270