PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-01:57:50
G10     278.6          45.3               12.2 +/-    0.89      16.4 +/-    0.89  0.050 / 0.050
G15     50.9           40.1               10.1 +/-    0.49      14.6 +/-    0.49  0.040 / 0.040
G20     317.4          63.5               10.9 +/-    1.18      12.1 +/-    1.18  0.080 / 0.190
G21     32.9           76.3               11.7 +/-    0.32      12.0 +/-    0.32  0.090 / 0.170
G24     112.6          19.6               12.8 +/-    0.80      28.5 +/-    0.80  0.080 / 0.060
G27     314.0          25.2                8.7 +/-    1.33      16.9 +/-    1.33  0.070 / 0.050
G29     167.3          20.3               13.0 +/-    1.01      28.3 +/-    1.01  0.050 / 0.060
G32     206.2          16.1               15.1 +/-    0.99      36.5 +/-    0.99  0.040 / 0.070