PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-01:43:00
G10     248.2          24.7               14.3 +/-    1.33      28.2 +/-    1.33  0.120 / 0.270
G13     56.3           31.4                9.4 +/-    1.11      16.0 +/-    1.11  0.130 / 0.250
G15     95.2           58.5               11.6 +/-    0.99      13.3 +/-    0.99  0.040 / 0.040
G16     297.3          15.9                8.6 +/-    0.98      20.9 +/-    0.98  0.040 / 0.040
G20     262.5          43.8               11.2 +/-    3.87      15.4 +/-    3.87  0.030 / 0.040
G21     329.3          57.6               10.8 +/-    0.36      12.5 +/-    0.36  0.030 / 0.040
G26     269.0          16.8               12.7 +/-    1.61      30.2 +/-    1.61  0.100 / 0.150
G29     164.5          54.2               12.6 +/-    0.78      15.1 +/-    0.78  0.060 / 0.130