PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/03-18:27:40
G08     308.6          19.4                7.6 +/-    0.94      16.9 +/-    0.94  0.070 / 0.070
G10     332.4          60.0                7.0 +/-    0.34       7.9 +/-    0.34  0.060 / 0.060
G14     218.8          32.1                9.6 +/-    2.30      16.2 +/-    2.30  0.060 / 0.070
G18     42.7           58.0                9.1 +/-    0.65      10.6 +/-    0.65  0.050 / 0.070
G21     135.0          50.9               11.8 +/-    0.72      14.7 +/-    0.72  0.100 / 0.070
G24     74.2           30.5                8.3 +/-    1.29      14.4 +/-    1.29  0.120 / 0.080
G27     271.9          37.4                9.1 +/-    2.80      13.8 +/-    2.80  0.040 / 0.040
G32     224.4          51.9               11.3 +/-    2.10      14.0 +/-    2.10  0.040 / 0.050