PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/22-19:13:00
G01     297.7          38.5                8.6 +/-    1.15      12.8 +/-    1.15  0.070 / 0.090
G03     309.8          12.6                6.3 +/-    5.90      16.7 +/-    5.90  0.070 / 0.100
G10     115.0          32.3               10.4 +/-    0.92      17.4 +/-    0.92  0.100 / 0.200
G11     269.5          27.3                6.7 +/-    1.15      12.4 +/-    1.15  0.100 / 0.220
G14     16.6           61.7                6.3 +/-    0.91       7.1 +/-    0.91  0.050 / 0.070
G18     256.0          50.1                8.2 +/-    1.09      10.4 +/-    1.09  0.040 / 0.070
G22     312.7          33.4                6.7 +/-    2.16      11.0 +/-    2.16  0.050 / 0.090
G25     67.2           16.5                6.8 +/-    1.90      16.2 +/-    1.90  0.060 / 0.070
G31     164.9          72.0                8.6 +/-    1.06       9.0 +/-    1.06  0.050 / 0.080
G32     44.6           46.8                6.3 +/-    0.55       8.3 +/-    0.55  0.060 / 0.100