PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-18:12:30
G08     302.6          21.7                9.8 +/-    1.80      20.7 +/-    1.80  0.070 / 0.190
G10     352.6          62.2                9.4 +/-    0.64      10.4 +/-    0.64  0.060 / 0.190
G14     222.3          33.6               14.0 +/-    1.96      22.9 +/-    1.96  0.060 / 0.080
G20     55.5           54.9               10.5 +/-    0.69      12.6 +/-    0.69  0.060 / 0.090
G21     141.3          49.2               15.0 +/-    0.99      19.1 +/-    0.99  0.040 / 0.080
G24     66.4           29.5               10.5 +/-    0.59      18.5 +/-    0.59  0.040 / 0.060
G27     264.6          36.0               13.8 +/-    1.05      21.6 +/-    1.05  0.030 / 0.040
G32     231.1          61.6               14.5 +/-    1.07      16.3 +/-    1.07  0.030 / 0.040