PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-19:12:40
G08     308.4          19.5               13.2 +/-    1.05      29.3 +/-    1.05  0.070 / 0.070
G10     332.4          60.0               13.0 +/-    0.40      14.8 +/-    0.40  0.060 / 0.070
G14     218.8          32.3               15.4 +/-    2.20      25.7 +/-    2.20  0.050 / 0.040
G18     42.4           58.1               14.6 +/-    0.68      16.9 +/-    0.68  0.040 / 0.040
G21     134.9          51.6               18.7 +/-    0.78      23.1 +/-    0.78  0.070 / 0.060
G24     74.3           30.5               14.0 +/-    1.43      24.2 +/-    1.43  0.050 / 0.060
G27     271.9          37.4               15.1 +/-    2.66      23.0 +/-    2.66  0.070 / 0.220
G32     224.4          51.5               17.5 +/-    1.82      21.7 +/-    1.82  0.080 / 0.140