PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-03:28:00
G10     250.8          26.7               17.9 +/-    2.17      33.7 +/-    2.17  0.130 / 0.600
G13     53.5           29.9               11.6 +/-    1.31      20.4 +/-    1.31  0.130 / 0.590
G15     87.1           57.8               13.5 +/-    0.67      15.7 +/-    0.67  0.030 / 0.040
G16     294.5          15.7               11.3 +/-    2.57      27.7 +/-    2.57  0.030 / 0.040
G20     278.0          58.5               14.5 +/-    1.00      16.7 +/-    1.00  0.060 / 0.150
G21     333.1          59.9               13.0 +/-    0.61      14.8 +/-    0.61  0.060 / 0.160
G26     266.2          15.6               16.5 +/-    2.30      40.4 +/-    2.30  0.030 / 0.040
G29     165.3          50.5               15.6 +/-    0.88      19.5 +/-    0.88  0.020 / 0.040