PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/18-23:28:10
G08     319.3          11.8                7.4 +/-    3.87      19.9 +/-    3.87  0.110 / 0.280
G10     319.6          58.1                9.1 +/-    0.89      10.5 +/-    0.89  0.110 / 0.270
G14     213.9          21.6               14.1 +/-    1.51      29.9 +/-    1.51  0.060 / 0.080
G15     45.8           17.5                6.9 +/-    1.02      16.1 +/-    1.02  0.060 / 0.080
G20     21.6           63.0                8.6 +/-    0.50       9.5 +/-    0.50  0.040 / 0.040
G21     123.7          65.6               11.0 +/-    0.56      12.0 +/-    0.56  0.040 / 0.040
G24     84.8           30.0                9.4 +/-    0.76      16.4 +/-    0.76  0.040 / 0.070
G27     286.4          37.7               11.2 +/-    1.05      16.9 +/-    1.05  0.040 / 0.060
G32     216.5          43.8               12.9 +/-    1.51      17.6 +/-    1.51  0.060 / 0.100