PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-16:57:40
G10     297.1          52.6                8.0 +/-    1.39       9.7 +/-    1.39  0.050 / 0.100
G15     45.9           26.9                6.8 +/-    1.64      12.8 +/-    1.64  0.050 / 0.080
G20     355.7          65.2                8.2 +/-    1.55       8.9 +/-    1.55  0.040 / 0.040
G21     90.9           74.7               10.5 +/-    1.05      10.8 +/-    1.05  0.030 / 0.050
G24     101.2          26.1                9.3 +/-    0.56      17.7 +/-    0.56  0.030 / 0.040
G27     302.4          33.8                9.6 +/-    2.11      15.6 +/-    2.11  0.040 / 0.040
G29     168.0          9.9                13.9 +/-    2.50      38.9 +/-    2.50  0.140 / 0.270
G32     209.1          31.8                9.6 +/-    1.62      16.3 +/-    1.62  0.150 / 0.230