PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/13-00:43:10
G10     269.7          40.9                8.9 +/-    1.14      12.8 +/-    1.14  0.140 / 0.220
G13     40.6           15.7                8.3 +/-    2.44      20.3 +/-    2.44  0.150 / 0.210
G15     56.6           46.6                8.9 +/-    0.86      11.7 +/-    0.86  0.080 / 0.070
G16     278.0          11.7                8.6 +/-    2.41      23.2 +/-    2.41  0.090 / 0.080
G20     301.3          60.8                9.5 +/-    0.93      10.8 +/-    0.93  0.040 / 0.050
G21     7.0            72.6                9.9 +/-    0.80      10.3 +/-    0.80  0.040 / 0.040
G24     119.4          15.4               11.9 +/-    2.11      29.4 +/-    2.11  0.140 / 0.270
G27     318.2          19.8                7.4 +/-    2.52      16.4 +/-    2.52  0.140 / 0.460
G29     166.9          28.3               11.8 +/-    1.09      21.4 +/-    1.09  0.040 / 0.070