HF Signal Plots

Current data plots (15 minute updates)[maps: 2.5 MHz 5 MHz 10 MHz 15 MHz 20 MHz]

Color summary plots (year-to-date)

See the index of available stations and frequencies.

Field campaigns

Baker City, Oregon Archives:

2008  

Bear Lake Observatory, Utah Archives:

2007   2008   2009   2010   2011  

Bozeman, Montana Archives:

2008   2009   2010   2011   2012  

Dayton, Ohio Archives:

2009   2010   2011  

Field Unit 1 Archives:

2009  

Klamath Falls, Oregon Archives:

2007   2008   2009   2010   2011  

Logan, Utah Archives:

2007   2008   2010   2011   2012  

SEC Providence Archives:

2007   2008   2009   2010   2011   2012  

SEC Development Providence Archives:

2007   2008   2009   2010   2011   2012  

Tucson, Arizona Archives:

2007   2008   2009   2010   2011   2012  

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