PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-19:12:40
G01     319.7          16.7                7.1 +/-    1.17      16.9 +/-    1.17  0.070 / 0.050
G08     256.8          14.1               10.2 +/-    1.90      25.8 +/-    1.90  0.070 / 0.050
G10     77.6           53.5                8.7 +/-    0.97      10.5 +/-    0.97  0.030 / 0.040
G11     303.5          23.2                8.1 +/-    1.69      16.6 +/-    1.69  0.040 / 0.040
G14     292.9          70.7                9.3 +/-    0.68       9.8 +/-    0.68  0.130 / 0.240
G20     104.0          30.1                9.5 +/-    1.00      16.6 +/-    1.00  0.190 / 0.310
G27     227.2          10.4               10.7 +/-    1.84      29.6 +/-    1.84  0.100 / 0.200
G31     178.9          37.5                9.3 +/-    1.38      14.2 +/-    1.38  0.100 / 0.160
G32     2.5            69.0                9.7 +/-    0.93      10.3 +/-    0.93  0.210 / 0.390