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Here I take a look at receiving HF Air Band broadcasts from Ground Stations to International Bound Aircraft.
We also discover a data packet which is a SELCAL test. More information on this below.
Sorry for the video being mainly me talking, but I had to provide an explanation of what we were listening to.
SDR CONSOLE V3 : http://www.sdr-radio.com
NooElec SDR & Ham it up: http://amzn.to/2GiA0JS
SELCAL Wiki: https://en.wikipedia.org/wiki/SELCAL
It is also possible to DECODE the SELCAL tones using a piece of software called AVCALL, which you can obtain at the following link: http://comtekk.us/selcal-decoder.htm
I did NOT cover this software in this video but may do so in a future video.