PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-21:43:00
G01     252.6          38.2                9.9 +/-    0.75      14.9 +/-    0.75  0.040 / 0.050
G03     316.8          38.3                6.6 +/-    0.89       9.9 +/-    0.89  0.040 / 0.050
G11     244.1          13.5               10.1 +/-    2.03      26.1 +/-    2.03  0.060 / 0.080
G14     50.8           47.4                7.2 +/-    0.57       9.3 +/-    0.57  0.050 / 0.070
G22     309.3          60.7                9.0 +/-    0.72      10.1 +/-    0.72  0.130 / 0.200
G23     283.5          16.9               10.4 +/-    1.65      24.6 +/-    1.65  0.120 / 0.280
G25     43.5           12.2                6.1 +/-    2.03      16.1 +/-    2.03  0.190 / 0.430
G26     140.0          34.6               12.4 +/-    0.66      19.9 +/-    0.66  0.180 / 0.310
G31     43.5           62.5                8.2 +/-    0.49       9.1 +/-    0.49  0.070 / 0.060
G32     74.1           24.2                8.1 +/-    0.61      16.1 +/-    0.61  0.070 / 0.080