PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-10:28:00
G08     320.2          11.8                3.8 +/-    6.47      10.1 +/-    6.47  0.030 / 0.040
G10     305.8          54.7                5.6 +/-    0.95       6.7 +/-    0.95  0.030 / 0.040
G14     211.1          17.0                5.8 +/-    1.91      13.8 +/-    1.91  0.210 / 0.290
G15     45.6           23.0                2.4 +/-    2.09       4.9 +/-    2.09  0.180 / 0.240
G20     4.9            64.8                5.4 +/-    0.48       5.9 +/-    0.48  0.060 / 0.040
G21     113.4          66.9                7.4 +/-    1.20       8.0 +/-    1.20  0.040 / 0.040
G24     90.0           27.7                5.6 +/-    1.18      10.3 +/-    1.18  0.160 / 0.210
G27     297.2          34.9                5.7 +/-    5.17       9.1 +/-    5.17  0.170 / 0.150
G32     213.2          32.9                7.2 +/-    2.25      11.9 +/-    2.25  0.090 / 0.110