PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-20:27:50
G08     319.1          12.4               10.1 +/-    1.81      26.8 +/-    1.81  0.060 / 0.090
G10     315.9          57.4               13.2 +/-    0.81      15.4 +/-    0.81  0.050 / 0.090
G14     213.3          18.1               15.9 +/-    2.26      36.6 +/-    2.26  0.030 / 0.040
G15     45.6           18.7                8.7 +/-    1.17      19.7 +/-    1.17  0.040 / 0.040
G20     19.4           63.2               11.3 +/-    0.57      12.6 +/-    0.57  0.070 / 0.130
G21     120.0          67.3               13.8 +/-    0.57      14.8 +/-    0.57  0.080 / 0.130
G24     88.0           29.8               11.2 +/-    0.90      19.7 +/-    0.90  0.140 / 0.500
G27     289.0          37.6                9.7 +/-    1.38      14.7 +/-    1.38  0.140 / 0.550
G32     214.9          42.6               12.8 +/-    2.10      17.9 +/-    2.10  0.170 / 0.370