[Lowfer] intruder at the watering hole?

[Dexter McIntyre W4DEX]

jrusgrove at comcast.net wrote:
> Seldom see signals other than the usual suspects at the watering hole. 
> Anyone care to lay claim?

I saw a similar signal move across my 137 kHz Spectran screen yesterday while 
monitoring XES in Jason mode.  Freq shift was about the same but the step period 
was shorter.  I've seen this several times in the past.  I've no idea what the 
source may be.

Dex