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[KA0HCP]

Here are tools and sources for propagation conditions, conditions

http://www.solarham.net/news.htm
Alerts and summaries, in plain language


http://www.solarham.net/index.htm
indexes, diagrams

http://hamwaves.com/propagation/

http://prop.hfradio.org/

http://www.spaceweather.com/

http://www.spacew.com/index.php

http://www.ips.gov.au/Images/HF%20Systems/Global%20HF/Ionospheric%20Map/WorldIMap0.gif
Real Time Global F2 Map, Australian

http://www.ips.gov.au/Images/HF%20Systems/Global%20HF/Ionospheric%20Map/WorldIMap0.gif
Strip chart of alerts


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http://www.voacap.com/
VOACAP Free prediction program.  



------------------------ My favorites------------
http://www.dxatlas.com/ionoprobe/
Monitor and Alerting program for PC systray, about $25, very good.  Will feed data to free charting and prediction program HamCAP (a graphic interface for VOACAP).

http://www.hamqsl.com/solar.html
Free desktop gadgets, very good

"HAM" for Android
Phone program

http://www.dxatlas.com/HamCap/
Free HAMCAP graphic interface for VOACAP.  EXCELLENT



ARRL Propagation Articles:
http://www.arrl.org/propagation-of-rf-signals


There are also several sites with real time contact and spotting data. I'll leave that for others to address.