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Utility Listening - Discussions regarding monitoring government, military, aircraft, ship, and other misc communications in the HF/MW/LF bands.

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Old 01-21-2015, 12:00 PM
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Default RDARA?

I recently came across a list of HF aircraft frequencies that were called Regional and Domestic Air Route Areas (Utility Planet: HF Aeronautical Frequencies #1 (2-3 MHz)). I have been unable to find anything else online about these. What I'm looking for is a map explaining what the regions mentioned are.
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Old 01-21-2015, 1:53 PM
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What you need is...

http://koti.mbnet.fi/fi6jsp/HFAERO.jpg

...and a magnifying glass! I know it's a bit old but most of the info is still accurate. RDARA is used over large empty land masses where MWARA is not appropriate and VHF coverage would be expensive, Australia for example. Get the chart printed out much larger and pin it to your wall!
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Last edited by majoco; 01-21-2015 at 1:59 PM..
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Old 04-06-2015, 4:19 AM
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Gee, thankyou, Martin, it was nice of you to post that chart. Hint.

Sometimes I think I'm wasting my time........
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Old 04-06-2015, 6:32 AM
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OK I'll say it - I'll move these links into the wiki later today. Thanks to both of you for them...Mike
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Old 04-06-2015, 3:22 PM
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I wasn't getting at you, Mike.
Here's something else for your wiki - all of the info for down my end of the globe!

http://www.swld.com.au/default.htm
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Old 04-06-2015, 6:57 PM
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A nice mix of broadcast and utility stuff ...

Your link has been added to the wiki SWL and utility pages...Mike
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Old 07-27-2017, 7:25 AM
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Excuse me sir,i wanna ask something...
WHY RDARA USE FREQUECY HF? Why not use vhf??

Thx before
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Old 07-27-2017, 3:24 PM
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Quote from post #2...

Quote:
RDARA is used over large empty land masses where MWARA is not appropriate and VHF coverage would be expensive, Australia for example.
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