PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-22:12:50
G01     273.1          41.5                8.8 +/-    0.90      12.5 +/-    0.90  0.040 / 0.060
G03     315.4          27.2                4.8 +/-    1.51       8.8 +/-    1.51  0.060 / 0.060
G10     128.6          17.7               10.2 +/-    1.26      23.7 +/-    1.26  0.060 / 0.090
G11     250.5          20.6                9.7 +/-    3.23      21.0 +/-    3.23  0.040 / 0.070
G14     41.7           50.8                6.1 +/-    0.44       7.6 +/-    0.44  0.050 / 0.070
G22     314.3          49.3                5.8 +/-    0.36       7.4 +/-    0.36  0.050 / 0.060
G25     50.0           14.5                5.0 +/-    2.13      12.6 +/-    2.13  0.090 / 0.240
G26     150.1          23.2               11.5 +/-    1.33      23.5 +/-    1.33  0.090 / 0.210
G31     64.4           77.6                7.5 +/-    0.63       7.7 +/-    0.63  0.100 / 0.150
G32     62.5           33.7                6.7 +/-    0.62      10.9 +/-    0.62  0.090 / 0.170