13,558.855 unknown beacon
Here is what I am hearing in Southern California on a video. There is a double PIP in the first second or two of video then 57 PIPs and at 1:02 a double PIP
Video/Audio at
https://youtu.be/DLMZOSGsSv8EDIT Mar 18, 2015
It turns out that it is not a beacon but is some digital signal centered more at 13,560 KHz as can be seen in this waterfall display. What was thought to be a beacon or "pip" was just one component of the whole signal.
![](http://i.imgur.com/iNMZI5P.png?1)