PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-20:27:50
G01     262.7          41.6               11.6 +/-    1.45      16.4 +/-    1.45  0.060 / 0.060
G03     316.3          30.9               10.2 +/-    0.94      17.6 +/-    0.94  0.050 / 0.060
G10     131.2          12.3               10.2 +/-    1.27      27.1 +/-    1.27  0.050 / 0.070
G11     251.6          17.5               11.2 +/-    1.91      26.2 +/-    1.91  0.040 / 0.070
G14     41.6           51.7                8.8 +/-    0.87      10.9 +/-    0.87  0.130 / 0.340
G22     313.4          53.5                8.2 +/-    1.70      10.0 +/-    1.70  0.090 / 0.330
G25     49.9           15.3                8.6 +/-    1.39      21.1 +/-    1.39  0.090 / 0.140
G26     146.2          27.8               12.8 +/-    1.26      23.5 +/-    1.26  0.090 / 0.120
G31     51.3           71.0               10.9 +/-    0.62      11.5 +/-    0.62  0.070 / 0.260
G32     67.4           29.0                7.7 +/-    1.05      13.8 +/-    1.05  0.070 / 0.230