PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/27-03:57:50
G01     81.3           33.0                6.0 +/-    1.29       9.8 +/-    1.29  0.050 / 0.060
G07     131.7          36.4                8.9 +/-    0.94      13.8 +/-    0.94  0.060 / 0.070
G11     59.3           35.1                4.3 +/-    0.99       6.8 +/-    0.99  0.050 / 0.050
G13     285.2          38.1                0.8 +/-    0.74       1.2 +/-    0.74  0.050 / 0.050
G15     310.8          12.2                2.5 +/-    1.98       6.7 +/-    1.98  0.080 / 0.100
G17     220.3          63.8                8.0 +/-    1.45       8.8 +/-    1.45  0.060 / 0.110
G18     53.4           19.7                2.6 +/-    2.58       5.7 +/-    2.58  0.170 / 0.240
G19     218.1          32.0                5.3 +/-    1.72       8.8 +/-    1.72  0.230 / 0.260
G28     358.3          61.4                5.3 +/-    1.25       6.0 +/-    1.25  0.110 / 0.100
G30     122.5          71.5                6.3 +/-    0.69       6.6 +/-    0.69  0.090 / 0.090