PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-02:43:10
G10     277.5          43.8               10.9 +/-    1.61      14.9 +/-    1.61  0.090 / 0.120
G13     38.5           11.0                6.0 +/-    5.07      16.5 +/-    5.07  0.140 / 0.160
G15     52.2           42.9                8.0 +/-    1.06      11.1 +/-    1.06  0.050 / 0.030
G20     305.1          60.0               12.4 +/-    0.75      14.1 +/-    0.75  0.040 / 0.040
G21     29.1           76.4               10.7 +/-    0.57      11.0 +/-    0.57  0.080 / 0.130
G24     111.4          19.5               10.2 +/-    0.89      22.8 +/-    0.89  0.080 / 0.120
G27     313.5          25.7                7.3 +/-    2.70      14.0 +/-    2.70  0.470 / 0.450
G29     169.0          22.5               10.1 +/-    1.29      20.9 +/-    1.29  0.130 / 0.330
G32     205.5          19.3               13.0 +/-    3.33      29.0 +/-    3.33  0.040 / 0.040