PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-05:42:50
G01     102.0          27.8                5.4 +/-    0.88       9.8 +/-    0.88  0.050 / 0.140
G07     114.7          52.6                8.0 +/-    0.36       9.8 +/-    0.36  0.060 / 0.110
G08     41.4           13.8                2.2 +/-    1.73       5.6 +/-    1.73  0.040 / 0.030
G11     79.8           42.0                6.5 +/-    1.33       9.1 +/-    1.33  0.040 / 0.040
G13     305.2          31.9               -0.1 +/-    1.32      -0.3 +/-    1.32  0.030 / 0.020
G17     206.9          45.5                8.5 +/-    0.90      11.4 +/-    0.90  0.030 / 0.020
G19     210.7          15.0                5.4 +/-    1.99      13.5 +/-    1.99  0.050 / 0.060
G28     323.9          61.2                4.4 +/-    0.67       4.9 +/-    0.67  0.050 / 0.040
G30     39.7           80.1                5.9 +/-    0.54       6.0 +/-    0.54  0.040 / 0.040