PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/12-15:12:40
G02     355.4          74.8                8.4 +/-    0.48       8.7 +/-    0.48  0.160 / 0.240
G05     163.2          38.5               10.2 +/-    1.26      15.1 +/-    1.26  0.120 / 0.260
G06     43.3           33.3                6.3 +/-    1.43      10.3 +/-    1.43  0.220 / 0.330
G12     295.3          77.5                8.9 +/-    1.17       9.1 +/-    1.17  0.240 / 0.360
G17     89.7           9.5                10.3 +/-    1.60      28.9 +/-    1.60  0.090 / 0.140
G19     81.2           21.5                9.2 +/-    2.28      19.6 +/-    2.28  0.090 / 0.180
G24     224.8          18.5               10.3 +/-    1.40      23.5 +/-    1.40  0.030 / 0.030
G25     315.6          33.6                6.4 +/-    1.35      10.4 +/-    1.35  0.040 / 0.030
G29     290.1          12.2                8.3 +/-    3.25      22.0 +/-    3.25  0.020 / 0.020