PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-21:43:00
G01     318.1          21.6                8.1 +/-    2.80      17.2 +/-    2.80  0.130 / 0.220
G08     257.1          12.6               11.2 +/-    4.40      29.6 +/-    4.40  0.090 / 0.200
G10     83.7           50.2               10.5 +/-    0.96      13.2 +/-    0.96  0.040 / 0.060
G11     303.4          21.9                8.3 +/-    1.64      17.5 +/-    1.64  0.040 / 0.060
G14     292.2          69.3               11.9 +/-    0.99      12.6 +/-    0.99  0.260 / 0.400
G20     107.8          25.9               13.5 +/-    0.95      25.9 +/-    0.95  0.280 / 0.540
G22     301.7          10.1               -2.7 +/-    4.21      -7.6 +/-    4.21  0.040 / 0.040
G31     174.4          44.6               14.9 +/-    1.34      20.1 +/-    1.34  0.030 / 0.040
G32     13.2           65.7                9.4 +/-    0.49      10.2 +/-    0.49  0.050 / 0.070