[Lowfer] Early morning VLF

[N8OOU]

David, Thanks for the additional info. I do have one old crt here which 
is connected to my a WinXP machine. It is however, in the full power off 
state.  I probably miss-identified 40.0. I wish I had done the 
screenshot before switching to the VLF database.

I agree with you about the antenna size. I have a PA0RDT Mini Whip here 
too. I was able to get the noise floor down to a reasonable level on the 
LNV first.

73   de   N8OOU - Mike Meek

On 01/10/2018 03:28 PM, David L. Wilson wrote:
>> On Wed, Jan 10, 2018 at 1:26 PM, N8OOU <n8oou at meekfarm.us> wrote:
>>> My view of 15-40Khz this morning had the normal trio of NAA,NLK, and NLM.
>>> Also seen was NWC AUS, NPM HI, and TFK/NRK Iceland. An unknown signal
>>> at 31.2.  I had a medium MSK signal at 40.0, but as I was checking the
>>> online databases, the signal faded/ended. The database says that
>>> should have been JJY Japan.
> 
> People often think they see a signal at 31.2 kHz.  However, it is usually the 2nd harmonic of the horizontal oscillator in an
> old TV or CRT display.  There are no known stations using 31.2 (at least on a regular basis).  Also, JJY is not MSK so I am
> not sure what you saw.
> 
> I regularly see NWC, NPM, NLM/NRK hear in Virginia with a 26 inch active antenna (LF Engineering).  Many wrongly think you
> need a long antenna to receive.  In many (most?) cases an E-field probe antenna can be better placed away from interfering
> noise than a long antenna and do at least as well if not better for LF/VLF.  (Someone asked what antenna you used but I have
> not seen that answered yet.)
> 
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