PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-22:58:00
G01     218.7          11.5               10.8 +/-   16.76      29.2 +/-   16.76  0.040 / 0.030
G03     269.9          69.8                9.6 +/-    1.00      10.2 +/-    1.00  0.030 / 0.030
G09     299.5          15.8                8.8 +/-    1.76      21.5 +/-    1.76  0.040 / 0.040
G14     90.2           24.1               11.4 +/-    1.52      22.8 +/-    1.52  0.060 / 0.040
G16     135.8          51.9               11.6 +/-    0.65      14.3 +/-    0.65  0.030 / 0.030
G22     207.3          64.5               10.0 +/-    0.84      11.0 +/-    0.84  0.040 / 0.030
G23     312.7          42.5                8.8 +/-    1.05      12.3 +/-    1.05  0.050 / 0.050
G26     83.6           54.1                9.0 +/-    1.31      10.8 +/-    1.31  0.040 / 0.060
G31     48.5           25.8                7.6 +/-    2.86      14.6 +/-    2.86  0.050 / 0.060