PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-01:58:00
G10     260.9          34.4               11.9 +/-    1.33      19.2 +/-    1.33  0.090 / 0.170
G13     45.1           22.7                8.3 +/-    1.14      17.1 +/-    1.14  0.100 / 0.240
G15     68.4           54.3               10.6 +/-    0.56      12.7 +/-    0.56  0.180 / 0.300
G16     283.4          14.0                9.6 +/-    1.14      24.3 +/-    1.14  0.130 / 0.310
G20     278.4          50.8               14.9 +/-    1.19      18.6 +/-    1.19  0.160 / 0.360
G21     348.5          67.5                9.5 +/-    0.78      10.2 +/-    0.78  0.120 / 0.280
G24     124.2          10.9                5.4 +/-   37.60      14.8 +/-   37.60  0.040 / 0.040
G26     256.3          10.6               11.4 +/-    2.60      31.5 +/-    2.60  0.040 / 0.050
G27     320.9          14.1                7.4 +/-    2.37      18.7 +/-    2.37  0.090 / 0.080
G29     167.6          38.4               13.6 +/-    1.07      20.3 +/-    1.07  0.090 / 0.100