PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-15:42:30
G10     252.7          30.3               12.6 +/-    0.72      21.9 +/-    0.72  0.140 / 0.680
G13     50.8           27.2                9.4 +/-    1.89      17.4 +/-    1.89  0.180 / 1.000
G15     77.8           55.4               13.7 +/-    0.60      16.3 +/-    0.60  0.050 / 0.050
G16     292.5          15.9                8.6 +/-    2.65      20.9 +/-    2.65  0.040 / 0.050
G20     276.1          54.6               16.2 +/-    0.69      19.3 +/-    0.69  0.110 / 0.100
G21     337.8          61.7               12.2 +/-    0.60      13.7 +/-    0.60  0.090 / 0.120
G26     266.2          14.5               10.7 +/-    1.69      27.0 +/-    1.69  0.080 / 0.150
G29     164.5          48.6               18.2 +/-    0.64      23.4 +/-    0.64  0.070 / 0.180