HF Propagation Forecast
• Solar Report 0055 23 Feb 2012
Solar Flux: 104 | Ap: 8 | Kp 0
• Observed Space Weather 0055 23 Feb 2012
104
• Forecast Space Weather 0055 23 Feb 2012
104
• Flares 0055 23 Feb 2012
(0055 UTC) 6h hi (none) 24h hi (none)
• Sunspots 0055 23 Feb 2012
SSN: 61 (02/21/2012)
• Solar Wind 0055 23 Feb 2012
Solar Wind: 504 km/s @ 1.0 protons/cm3 Bz: 2012 Feb 23 0053Z at 3.6 nT
• Global Conditions 0055 23 Feb 2012
Global HF Propagation Conditions for 2300Z on 22 Feb, 2012
High Latitude: Fair-Normal
Middle Latitude: Normal
Low Latitude: Normal

• Warning (104) 0055 23 Feb 2012
Warning (104): Geomagnetic Sudden Impulse expected From: 2012 Feb 22 0205 UTC To: 2012 Feb 22 0235 UTC Condition: IP Shock Passage Observed: 2012 Feb 22 0120 UTC
• Warning (1871) 0055 23 Feb 2012
Warning (1871): Geomagnetic K-index of 4 expected From: 2012 Feb 22 0205 UTC To: 2012 Feb 22 0600 UTC Condition: Onset
• Warning (1872) 0055 23 Feb 2012
Warning (1872): Geomagnetic K-index of 4 expected From: 2012 Feb 22 0900 UTC To: 2012 Feb 22 1500 UTC Condition: Onset
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Check out the NW7US Space Weather and Radio Channel:

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• Good Article: Is HF radio signal propagation reciprocal?
I've posted a good informational article regarding HF radio signal propagation. Check it out:

Is HF radio signal propagation reciprocal? http://hfradio.org/ace-hf/ace-hf-reciprocal.html


• Good Article: De-mystifying HF radio signal propagation and modeling.
I've posted a good informational article regarding HF radio signal propagation. Check it out:

De-mystifying HF radio signal propagation and modeling. http://hfradio.org/ace-hf/ace-hf-demystified.html