PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-15:42:30
G07     31.6           69.5               11.7 +/-    0.80      12.4 +/-    0.80  0.050 / 0.050
G08     57.1           45.5               10.1 +/-    0.55      13.5 +/-    0.55  0.040 / 0.050
G09     178.5          42.6               15.8 +/-    1.36      22.0 +/-    1.36  0.030 / 0.040
G11     125.3          31.3               12.3 +/-    0.72      21.0 +/-    0.72  0.030 / 0.040
G18     109.8          13.3               10.2 +/-    2.64      26.3 +/-    2.64  0.040 / 0.060
G23     159.4          11.1               10.1 +/-    2.71      27.6 +/-    2.71  0.040 / 0.060
G27     38.4           12.3                8.4 +/-    2.60      22.1 +/-    2.60  0.210 / 0.260
G28     266.8          49.3               12.9 +/-    0.72      16.4 +/-    0.72  0.190 / 0.320
G30     326.1          55.3               10.5 +/-    0.81      12.5 +/-    0.81  0.060 / 0.080