PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-19:58:00
G10     274.4          43.5               11.8 +/-    1.23      16.3 +/-    1.23  0.110 / 0.160
G13     39.1           12.5                7.7 +/-    1.09      20.4 +/-    1.09  0.130 / 0.150
G15     53.6           44.0                9.6 +/-    0.75      13.2 +/-    0.75  0.040 / 0.040
G16     273.0          10.5                8.9 +/-    4.88      24.5 +/-    4.88  0.040 / 0.040
G20     312.5          63.2               11.3 +/-    0.72      12.6 +/-    0.72  0.140 / 0.310
G21     17.9           74.7               12.1 +/-    0.70      12.5 +/-    0.70  0.150 / 0.330
G24     117.1          17.6               12.4 +/-    1.87      28.9 +/-    1.87  0.100 / 0.820
G27     315.9          23.2                7.9 +/-    0.96      16.2 +/-    0.96  0.110 / 0.760
G29     167.9          25.7               15.7 +/-    1.47      30.2 +/-    1.47  0.040 / 0.060
G32     204.7          14.9               19.3 +/-    2.88      48.1 +/-    2.88  0.030 / 0.060