PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-19:12:30
G10     294.2          51.6               10.9 +/-    2.40      13.5 +/-    2.40  0.060 / 0.090
G15     46.5           30.1                8.8 +/-    1.21      15.4 +/-    1.21  0.060 / 0.070
G20     348.8          65.4               11.5 +/-    0.54      12.5 +/-    0.54  0.040 / 0.040
G21     81.8           76.1               11.6 +/-    0.53      11.9 +/-    0.53  0.050 / 0.040
G24     103.2          25.3               12.6 +/-    1.72      24.4 +/-    1.72  0.080 / 0.160
G27     304.4          32.8                8.7 +/-    2.46      14.3 +/-    2.46  0.080 / 0.140
G29     168.1          11.5               14.7 +/-    2.75      39.8 +/-    2.75  0.320 / 0.440
G32     208.5          29.4               15.9 +/-    1.41      28.2 +/-    1.41  0.340 / 0.510