rad1o

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====== How to receive iridium ======

This howto explains how to receive iridium pager messages with the rad1o.

===== Requirements =====

  * A rad1o
  * [[https://github.com/mossmann/hackrf|hackrf]]
  * [[https://github.com/muccc/iridium-toolkit|iridium-toolkit]]

===== Tasks =====

  * Install the Requisites:
    * Python (2.7)
    * NumPy (scipy)


  * clone the ''iridium-toolkit'' repo.

<code>
git clone https://github.com/muccc/iridium-toolkit.git
cd iridium-toolkit
</code> 

  * connect the rad1o in [[howto:change_default_application|HKRF-OLD mode]] to your computer.
  * let the rad1o have a good view of the sky.
  * start the capturing software:

<code>
hackrf_transfer  -r /dev/stdout -f 1627000000 -a 1 -l 40 -g 20 -s 2000000 | python2 extractor.py -c 1627000000 -r 2000000 -f hackrf --jobs 2 | grep "A:OK" | tee outfile
</code>

  * it writes to ''outfile'', captured pager messages can be decoded with:

<code>    
python2 iridium-parser.py outfile
</code>

  * done :-D

===== Result =====

  * iridium pager messages in clear

rad1o

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