PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-01:42:40
G02     63.8           29.0               10.9 +/-    1.17      19.4 +/-    1.17  0.090 / 0.120
G05     51.9           55.5               11.2 +/-    0.56      13.3 +/-    0.56  0.100 / 0.140
G12     183.2          26.8               12.7 +/-    1.22      23.8 +/-    1.22  0.080 / 0.270
G13     124.4          18.5               13.2 +/-    1.23      30.2 +/-    1.23  0.080 / 0.200
G15     161.4          15.8               13.8 +/-    2.69      33.7 +/-    2.69  0.030 / 0.040
G20     220.9          13.4               17.3 +/-    4.43      44.7 +/-    4.43  0.030 / 0.040
G21     275.0          19.8               15.7 +/-    1.96      34.7 +/-    1.96  0.090 / 0.200
G25     231.0          48.4               14.8 +/-    2.42      19.0 +/-    2.42  0.070 / 0.220
G29     330.7          58.4               13.5 +/-    1.08      15.6 +/-    1.08  0.050 / 0.080