PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-03:27:50
G08     318.9          12.6                8.7 +/-    1.56      22.8 +/-    1.56  0.050 / 0.080
G10     310.9          55.7                9.7 +/-    0.95      11.5 +/-    0.95  0.050 / 0.090
G14     213.3          17.0               12.9 +/-    1.31      30.6 +/-    1.31  0.140 / 0.310
G15     45.7           22.2                6.0 +/-    1.20      12.5 +/-    1.20  0.090 / 0.240
G20     354.4          65.0                9.9 +/-    0.48      10.8 +/-    0.48  0.030 / 0.050
G21     117.4          68.7                9.4 +/-    0.79      10.0 +/-    0.79  0.040 / 0.040
G24     86.7           28.9                7.7 +/-    0.74      13.8 +/-    0.74  0.030 / 0.050
G27     290.2          37.0               11.7 +/-    0.91      17.9 +/-    0.91  0.040 / 0.040
G32     214.6          42.5               12.3 +/-    0.89      17.2 +/-    0.89  0.090 / 0.140