PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-20:12:30
G01     298.1          39.8               11.9 +/-    1.41      17.4 +/-    1.41  0.090 / 0.120
G10     113.3          32.4               11.2 +/-    1.06      18.7 +/-    1.06  0.070 / 0.120
G11     277.2          25.6               11.9 +/-    2.08      22.9 +/-    2.08  0.040 / 0.060
G14     359.9          65.6                8.5 +/-    0.94       9.3 +/-    0.94  0.040 / 0.060
G22     312.2          30.5                8.6 +/-    1.61      14.9 +/-    1.61  0.080 / 0.180
G25     75.2           17.7                9.9 +/-    0.96      23.0 +/-    0.96  0.070 / 0.180
G31     155.0          72.4               11.2 +/-    1.37      11.7 +/-    1.37  0.040 / 0.070
G32     44.9           46.0                7.2 +/-    0.60       9.6 +/-    0.60  0.040 / 0.080