PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-00:58:10
G05     49.8           14.4                5.9 +/-    1.20      15.0 +/-    1.20  0.120 / 0.310
G10     237.8          14.2               14.4 +/-    3.11      36.6 +/-    3.11  0.090 / 0.210
G13     72.5           36.1                9.7 +/-    0.59      15.1 +/-    0.59  0.120 / 0.280
G15     123.3          53.7               12.9 +/-    0.67      15.6 +/-    0.67  0.110 / 0.280
G16     310.9          13.9                8.5 +/-    2.06      21.8 +/-    2.06  0.170 / 0.390
G20     248.0          31.8               13.8 +/-    1.30      23.4 +/-    1.30  0.140 / 0.310
G21     314.8          47.9                9.5 +/-    1.12      12.2 +/-    1.12  0.040 / 0.080
G26     283.3          20.6                9.1 +/-    1.16      19.8 +/-    1.16  0.040 / 0.060
G29     158.2          70.7               10.5 +/-    0.99      11.1 +/-    0.99  0.030 / 0.040