PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-19:43:10
G07     315.9          52.0               11.4 +/-    0.60      14.0 +/-    0.60  0.260 / 0.400
G08     121.1          43.5               13.7 +/-    0.92      18.9 +/-    0.92  0.160 / 0.520
G09     289.5          81.2               12.8 +/-    0.46      12.9 +/-    0.46  0.040 / 0.020
G16     42.3           25.6                8.3 +/-    2.71      15.9 +/-    2.71  0.040 / 0.020
G23     147.6          61.4               12.5 +/-    0.83      14.1 +/-    0.83  0.050 / 0.060
G27     77.4           38.0               10.7 +/-    1.42      16.1 +/-    1.42  0.040 / 0.050
G28     225.5          12.2                2.8 +/-   24.49       7.4 +/-   24.49  0.050 / 0.060
G30     288.7          24.5               11.6 +/-    1.95      23.0 +/-    1.95  0.060 / 0.060