PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-03:12:40
G08     315.8          15.2                6.9 +/-    1.87      17.1 +/-    1.87  0.080 / 0.080
G10     318.2          57.5               10.9 +/-    0.99      12.6 +/-    0.99  0.070 / 0.100
G14     214.9          21.2               14.3 +/-    3.76      30.5 +/-    3.76  0.090 / 0.230
G15     45.9           18.7                6.2 +/-    0.67      14.1 +/-    0.67  0.080 / 0.240
G20     355.7          64.9               10.1 +/-    0.64      11.0 +/-    0.64  0.040 / 0.040
G21     124.9          65.0               10.6 +/-    0.64      11.6 +/-    0.64  0.030 / 0.040
G24     81.6           29.5                8.0 +/-    0.42      14.2 +/-    0.42  0.050 / 0.050
G27     284.8          37.6               11.0 +/-    1.09      16.6 +/-    1.09  0.040 / 0.050
G32     217.3          46.8               14.8 +/-    1.11      19.4 +/-    1.11  0.060 / 0.130