PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/25-01:12:40
G08     310.5          18.8                8.4 +/-    1.23      19.1 +/-    1.23  0.040 / 0.040
G10     325.0          58.6                9.5 +/-    0.90      10.9 +/-    0.90  0.030 / 0.040
G14     216.7          30.0               12.8 +/-    1.33      22.4 +/-    1.33  0.060 / 0.090
G15     46.3           14.3                7.9 +/-    1.25      20.0 +/-    1.25  0.060 / 0.100
G18     32.4           61.0               11.2 +/-    0.67      12.6 +/-    0.67  0.070 / 0.060
G21     131.0          59.1               10.5 +/-    0.47      12.0 +/-    0.47  0.080 / 0.090
G24     78.8           30.6               10.1 +/-    0.95      17.5 +/-    0.95  0.050 / 0.060
G27     276.5          38.0               10.4 +/-    1.30      15.6 +/-    1.30  0.050 / 0.060
G32     221.3          47.7                9.0 +/-    2.51      11.7 +/-    2.51  0.120 / 0.160