PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-23:27:50
G08     314.0          15.8                7.1 +/-    1.59      17.4 +/-    1.59  0.040 / 0.040
G10     332.7          60.3                8.9 +/-    0.41      10.1 +/-    0.41  0.040 / 0.040
G14     217.0          27.9               13.3 +/-    2.49      24.3 +/-    2.49  0.110 / 0.210
G15     46.7           11.8                7.7 +/-    4.30      20.7 +/-    4.30  0.160 / 0.260
G20     35.9           60.6               10.3 +/-    0.67      11.6 +/-    0.67  0.320 / 0.160
G21     133.0          59.3               12.5 +/-    0.61      14.3 +/-    0.61  0.330 / 0.310
G24     76.6           30.5               10.0 +/-    1.84      17.3 +/-    1.84  0.170 / 0.360
G27     277.2          37.8               10.9 +/-    1.81      16.5 +/-    1.81  0.180 / 0.410
G32     221.5          50.8               14.3 +/-    1.38      17.8 +/-    1.38  0.070 / 0.070