[Lowfer] VLF 22feb18

[Dexter McIntyre W4DEX]

Sunrise dips:

  https://www.dropbox.com/s/orktsa548jf5npv/p8022215.jpg?dl=0

Interesting 30 min signal increase on NML4, 25.2 kHz.  Also NLK, 24.8 kHz,
off for maintenance like NAA was yesterday and NML4 the day before?

  https://www.dropbox.com/s/ilr1jexhrerxygy/p8022217.jpg?dl=0

NML4 signal increase on waterfall.  Appears to be a slight freq shift or
modulation change?

  https://www.dropbox.com/s/chof9rbl4064bt7/capt457.jpg?dl=0

Dex