PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/01-16:27:50
G01     233.6          24.4                8.9 +/-    2.41      17.6 +/-    2.41  0.070 / 0.170
G03     304.1          63.0                6.4 +/-    1.18       7.1 +/-    1.18  0.060 / 0.200
G14     77.7           29.5                6.9 +/-    0.95      12.2 +/-    0.95  0.030 / 0.060
G16     158.3          31.9               10.7 +/-    1.08      18.1 +/-    1.08  0.040 / 0.050
G18     206.5          12.7                7.7 +/-    2.23      20.2 +/-    2.23  0.030 / 0.040
G22     241.0          76.1                6.5 +/-    0.98       6.7 +/-    0.98  0.040 / 0.040
G23     299.1          29.3                6.7 +/-    2.30      11.9 +/-    2.30  0.060 / 0.180
G26     123.4          50.1                9.5 +/-    0.67      11.9 +/-    0.67  0.080 / 0.170
G31     41.4           44.1                5.8 +/-    0.95       7.9 +/-    0.95  0.140 / 0.210
G32     90.0           15.3                7.6 +/-    2.46      18.8 +/-    2.46  0.090 / 0.240