PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/19-01:12:30
G10     302.0          53.9               10.0 +/-    1.27      12.1 +/-    1.27  0.040 / 0.040
G14     210.5          12.8               11.2 +/-    2.12      29.4 +/-    2.12  0.040 / 0.040
G15     45.8           25.8                8.4 +/-    2.22      16.2 +/-    2.22  0.130 / 0.560
G20     356.3          65.1               10.7 +/-    0.57      11.7 +/-    0.57  0.120 / 0.650
G21     101.0          73.4               11.6 +/-    0.76      12.1 +/-    0.76  0.070 / 0.080
G24     96.2           27.3                9.1 +/-    1.30      16.9 +/-    1.30  0.130 / 0.080
G27     299.1          34.8                9.2 +/-    1.52      14.6 +/-    1.52  0.160 / 0.200
G32     211.2          32.7               12.1 +/-    1.84      20.1 +/-    1.84  0.090 / 0.160