==== Number Stations ====

=== UVB-76===
  * http://www.kernelmag.com/features/report/4716/a-russian-enigma/
  * http://fotki.yandex.ru/users/bydunaika/view/442479?page=0
 
===schedule===
  * http://priyom.org/number-stations/station-schedule.aspx

===reading===
  * https://medium.com/war-is-boring/want-to-listen-to-spy-broadcasts-heres-how-af632c532db1