MWARA - MWARA is the term for Major World Air Route Areas, which support HF Radio communications to aircraft outside of VHF range.

All frequencies listed are in KHz (USB mode).

This can be very interesting listening when there is no DX to chase on the HF Bands . You will here Comercial Aircraft seeking information and deviations to their routes among many other things.

Frequencies are
2872
2899
2962
2971
3016
3476
4675
5616
5649
5598
6622
6628
8825
8831
8864
8879
8891
8906
11279
11309
11336
13306
13291
13354
17946
 
 
 This is only a partial list of frequencies and these are for the North Atlantic area . Check the web link below for other areas .
 
A real popular frequency is CAR - Caribbean  CAR-A Out of New York on 8.846 USB .  
More and Complete details and information 
can be found here http://wiki.radioreference.com/index.php/MWARA 
 
 
More information on the Tones you will here can be found here http://en.wikipedia.org/wiki/SELCAL
 
 
 
 
 
 

When All Else Fails -- Amateur Radio Prevails