PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-21:12:50
G01     270.9          42.9                7.9 +/-    2.03      10.9 +/-    2.03  0.070 / 0.070
G03     315.3          25.9                6.5 +/-    1.41      12.4 +/-    1.41  0.050 / 0.070
G10     128.0          16.8               11.3 +/-    1.28      26.8 +/-    1.28  0.070 / 0.060
G11     256.3          20.0               10.8 +/-    5.05      23.8 +/-    5.05  0.060 / 0.060
G14     33.8           55.2                7.0 +/-    0.61       8.3 +/-    0.61  0.110 / 0.180
G22     314.5          48.0                8.1 +/-    0.88      10.4 +/-    0.88  0.110 / 0.160
G25     55.3           17.1                7.4 +/-    1.15      17.4 +/-    1.15  0.110 / 0.150
G26     149.6          23.2               12.3 +/-    2.39      25.1 +/-    2.39  0.190 / 0.170
G31     63.4           75.6                8.4 +/-    0.34       8.6 +/-    0.34  0.030 / 0.040
G32     62.6           32.7                7.0 +/-    1.06      11.6 +/-    1.06  0.030 / 0.030