Relation Between Quasi-Periodic Level Fluctuation and Plane Flight on Television Broadcast Signals in Thailand

元データ 1997-05-22 社団法人電子情報通信学会


The 50 MHz band is used for telecasting in Thailand. TV picture interference has been reported frequently by such low frequency television viewer. At first, it was thought that reception problems were caused by meteorological phenomena. As a result of long period observation, it was found that these reception problems caused by irregular reflection from airplanes. The source of reception interference in the 50 MHz band was studied by using measurement data.


Leelaruji Nipha King Mongkut's Institute Of Ladkrabang
Leelaruji Nipha Fasulty Of Engineering King Mongku's Institute Of Technology Ladkrabang
Hemmakorn Narong King Mongkut's Institute Of Ladkrabang
Hemmakorn Narong King Mongku't Institute Of Technology Ladkarabang
SAKURADA Hiroto Miyakonojo National College of Technology
MORIYA Yoshiaki Tokai University
Leelaruji Nipa King Mongkut's Institute of Technology Ladkrabang
Moriya Y Department Of Communication Engineering Tokai University