Contest and Propagation study station JF2IWL
JF2IWL-# CW-RTTY Skimmer

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Skimmer analysis / View Propagation / Beacon Reception / HF Doppler Study / Webcam / Link


JF2IWL-# Skimmer is semi-retired by August 2017 .
Now only IBP beacon reception (See Beacon stats )


My Skimmer spots


Spots for spotter call = JF2IWL-# (Jumps to Reverse Beacon Network Website)

160mb ~ 6mb 10 bands CW and RTTY spots including IBP beacon with two ID JF2IWL and JS1JRZ ( My 2nd callsign )
(*) In major contest , Capture band may be changed only legacy 6 bands
See my frequency segment and accracy on Detailed Skimmers List ( RBN Website )

* Skimmer Study SDR comparison for SkimmerServer (Revised on 2017/08/06)

Skimmer schematic




SDRs




QS1R with OCXO ( 125MHz ) 7 bands for CW and RTTY SkimServ
S9-C SDR for 8 bands CW SkimServ
Three Red Pitaya-10bit for CW and RTTY SkimServ
Two AFEDRI SDR for CW Skimmer for 160mb

Antennas



Diamond Antenna CP-6 6 bands GP
T33jrH 3el tribander ( fixed North )
160mb GP
30 , 17mb GP



Waterfall on WW CW 2016 captured by world RBN members ( This video is NOT Fast-Foward )



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)