PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/12-22:58:10
G01     230.8          21.2               10.3 +/-    1.72      22.0 +/-    1.72  0.030 / 0.040
G03     299.5          63.4                8.3 +/-    0.77       9.2 +/-    0.77  0.030 / 0.040
G14     81.6           27.5                8.5 +/-    1.39      15.7 +/-    1.39  0.100 / 0.200
G16     155.6          37.1               12.7 +/-    2.03      19.4 +/-    2.03  0.080 / 0.180
G22     237.8          74.6                9.9 +/-    0.57      10.3 +/-    0.57  0.050 / 0.140
G23     302.5          32.5                9.3 +/-    1.05      15.5 +/-    1.05  0.060 / 0.120
G26     111.8          52.7               11.9 +/-    0.93      14.6 +/-    0.93  0.050 / 0.060
G31     42.4           39.5                6.8 +/-    0.80      10.0 +/-    0.80  0.050 / 0.080
G32     94.6           10.5                9.1 +/-    1.17      25.2 +/-    1.17  0.070 / 0.350