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Author Topic: Propagation basics  (Read 13928 times)
W5CPT
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Posts: 557




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« on: March 17, 2013, 12:29:35 PM »



Often you will see a Propagation Forecast with the following information.  If you are like most of us, when we started, these meant absolutely nothing to you. 
 
Flux: 126

A-Index 10

K-Index 6

Here is a link to one of the best explanations:

Read down to HF Beacon Tracker Programs – that is what we use to verify what the numbers are telling us.


http://www.hamuniverse.com/hfbeaconpropagation.html

Clint - W5CPT -
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WD4ELG
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Posts: 869




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« Reply #1 on: March 24, 2013, 06:19:55 PM »

Good info, thanks Clint
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RENTON481
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Posts: 61




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« Reply #2 on: May 29, 2013, 05:51:00 AM »

I just found this thread... was looking because of the terrible SW conditions we've had the past week.

The HamUniverse explanation of the A, K and Solar Flux was extremely helpful.  The guy explains it in a way that's easy to understand.  Thanks for posting the link.
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AE4RV
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Posts: 948


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« Reply #3 on: May 30, 2013, 09:15:25 AM »

That is good info.  I made something a little more visual years back that might round out your understanding. It is a Flash piece that takes maybe five minutes to get through.

http://www.ae4rv.com/tn/propflash.htm

73, Geoff
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N6PG
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Posts: 55




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« Reply #4 on: June 19, 2013, 03:07:32 AM »

Also good info here...

http://www.arrl.org/the-sun-the-earth-the-ionosphere

Scott N6PG
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WX7G
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Posts: 5988




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« Reply #5 on: June 30, 2013, 07:44:32 AM »

http://www.qsl.net/w2vtm/hf_solar.html

Check this out
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