Contest and Propagation study station JF2IWL
View Propagation from JA

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Propagaiton from JA
charts show spots of JA stations on the Great circle map , Those direction versus SNR and Time variation which JA skimmers captured and JAs signals captured by overseas skimmer .

Time/Band chart is a bar graph of DX spots number which JA skimmers captured each 30min.
( Includes IBP Beacons , NOT includes CQ Zone 25 and skimmer dupe spots)

Note it does not distinguish the various path and includes some normal spots , and Busted .
Please confirm time and date on the bottom of map , These may freeze by software or PC trouble .
Spot's lifetime = 30 min. Line = 10min . This page refreshes every 5 minutes . Reload ( Push F5 Key ) to see latest data .

Special thanks , this page is created using RBN ( RBN Team ) , ViewProp ( Rick ZL2HAM ) and DX Atlas ( Alex VE3NEA ) .



Propagation from JA


Spots on the Great circle map JA centered and Azimuth / SNR chart
(SNR =~ signal strength : dB )





Time / Bands chart






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)