PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-03:57:30
G08     313.3          16.8                7.8 +/-    1.76      18.6 +/-    1.76  0.320 / 0.310
G10     324.8          58.8                8.2 +/-    0.56       9.4 +/-    0.56  0.150 / 0.270
G14     216.5          24.3               12.9 +/-    2.42      25.7 +/-    2.42  0.070 / 0.060
G15     46.3           15.2                5.2 +/-    1.27      12.9 +/-    1.27  0.050 / 0.060
G20     17.7           64.1               10.7 +/-    1.12      11.7 +/-    1.12  0.040 / 0.040
G21     130.0          61.6               10.1 +/-    0.63      11.3 +/-    0.63  0.040 / 0.040
G24     77.4           29.7                8.3 +/-    0.80      14.7 +/-    0.80  0.120 / 0.200
G27     279.9          37.7                8.8 +/-    1.93      13.4 +/-    1.93  0.140 / 0.190
G32     220.0          50.5               11.6 +/-    1.57      14.5 +/-    1.57  0.090 / 0.120