PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-12:28:10
G02     32.0           56.1                3.5 +/-    1.27       4.1 +/-    1.27  0.070 / 0.090
G05     144.7          61.4                6.5 +/-    0.52       7.3 +/-    0.52  0.090 / 0.090
G06     53.6           16.1                2.0 +/-    1.46       4.7 +/-    1.46  0.030 / 0.030
G12     197.7          67.5                4.4 +/-    0.30       4.7 +/-    0.30  0.030 / 0.030
G19     99.2           11.8                5.0 +/-    1.65      13.5 +/-    1.65  0.040 / 0.040
G25     290.6          57.8                4.4 +/-    2.01       5.1 +/-    2.01  0.040 / 0.040
G29     307.8          28.7                2.7 +/-    0.80       4.8 +/-    0.80  0.060 / 0.040