Contest and Propagation study station JF2IWL
HF Doppler Study

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This page show relationship among spectrum of HLL Seoul Meteorological Radio 5858kHz , JOZ7 Radio NIKKEI 9595kHz , Ionosphere charts , Solar weather , Weather map , Temperature and Earthquake .

Receiver : HLL = TS-590S (10MHz TCXO +- 0.5PPM ) , JOZ7 = AFEDRI.NET SDR , Antenna = GP 15mh

Spectrum image is captured every three minutes.Page refleshes every three minutes . Reload ( Push F5 Key ) to see latest data . Note this page may freeze by software or PC failure . Please confirm time and date at left top of SBSpectrum.

Acknowledgment : Special thanks , This page is created using SBSpetcrum by Peter G3PLX , HLL Seoul Meteorological Radio of Korea Meteorological Administration , Radio NIKKEI of Nikkei Radio Broadcasting Corporation , The National Institute of Information and Communications Technology (NICT) for Ionogram foEs , foF2 chart , Paul N0NBH for Solar-Terrestrial Data , Chubu-Nippon Broadcasting Co., Ltd. (CBC) for daily Weather chart , Earthquake infomation for Japan Weather Association and Koito Pottery for temperature and humidity data.

FYR : Faros IBP Beacon reception , Skimmer IBP Beacon reception , View Propagation from JA by JF2IWL
Tokyo local time



Simplified version is here .

Spectrum chart ( Confirm time and date .)

HLL Seoul Meteorological Radio 5858kHz 3kW ( 24 hours )


JOZ7 Radio NIKKEI 1 Chiba 9595kHz 50kW ( 06:55 ~ 24:01 JST )



Ionogram ( Yamagawa = bottom left , Kokubunji = top right )


foEs


foF2


Solar-Terrestrial Data Temperature and Humidity of my house ( JST = UTC+9 )



Weather map

Earthquake ( Past 24 hours )


JF2IWL receiving station is located 920km East-southeast from HLL , 220km North-northwest from JOZ7 .


Sporadic E Video on 2017/08/12



Home / Biography / Radio system / Contest activity ( Blogger ) / Record and Awards / Skimmer
Skimmer analysis / View Propagation / Beacon Reception / HF Doppler Study / Webcam / Link
Copyright (C) 2015 JF2IWL Dai Nagakura / Contact (My QRZ.com page)