PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/18-01:12:50
G01     280.8          42.9                6.1 +/-    1.72       8.5 +/-    1.72  0.050 / 0.060
G03     313.7          21.1                5.6 +/-    1.54      11.9 +/-    1.54  0.050 / 0.060
G10     124.0          22.1                9.2 +/-    1.36      19.2 +/-    1.36  0.070 / 0.040
G11     260.6          22.8                8.1 +/-    4.20      16.6 +/-    4.20  0.040 / 0.060
G14     28.7           57.1                7.5 +/-    1.45       8.7 +/-    1.45  0.070 / 0.080
G18     243.2          44.6                9.4 +/-    5.52      12.7 +/-    5.52  0.080 / 0.100
G22     314.5          42.1                7.2 +/-    0.91      10.1 +/-    0.91  0.050 / 0.050
G25     62.0           18.5                5.3 +/-    1.44      12.0 +/-    1.44  0.050 / 0.050
G31     85.9           78.3                6.6 +/-    0.41       6.7 +/-    0.41  0.060 / 0.070
G32     56.4           37.8                6.1 +/-    1.40       9.3 +/-    1.40  0.050 / 0.060