PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/09-16:28:10
G03     202.2          49.3               12.6 +/-    0.93      16.1 +/-    0.93  0.030 / 0.030
G07     262.4          19.1               12.5 +/-    1.50      28.1 +/-    1.50  0.030 / 0.040
G09     313.4          33.2               10.5 +/-    1.15      17.3 +/-    1.15  0.060 / 0.140
G16     75.5           62.7               10.9 +/-    0.51      12.1 +/-    0.51  0.080 / 0.150
G22     182.9          31.5                9.8 +/-    2.20      16.6 +/-    2.20  0.030 / 0.040
G23     344.4          69.2               11.1 +/-    0.66      11.8 +/-    0.66  0.040 / 0.040
G26     48.0           36.2                9.8 +/-    1.05      15.3 +/-    1.05  0.060 / 0.100
G27     128.3          15.6               12.4 +/-    2.15      30.4 +/-    2.15  0.070 / 0.100