Sunday, 8 March 2020

Ham Radio-Let's solve another interval signal mystery!

Ham Radio-Let's solve another interval signal mystery!


This month, SWLing Post contributor, David Crawford is asking for help to ID another interval signal which likely belongs to a utility station. David writes:
In follow-up to the La Habana utility mystery, here’s another one from the same era, 14985 kHz or thereabouts. Somewhere along the line I came to the conclusion that it might be El Salvador, but I don’t remember what led to that. The [recording embedded below] isn’t my own recording of it.
Ham Radio-Let's solve another interval signal mystery!

 Ham Radio-Let's solve another interval signal mystery!





Ham Radio operator paints-A child's portrait in oil

Ham Radio operator paints-A child's portrait in oil


G4YDM John Allsopp Portraits artist active Ham Operator

Ham Radio operator paints-A child's portrait in oil. A new portrait in oil recently completed, hand-painted, on Belgium linen canvas.


Responding to many questions received over the last couple of hours since I uploaded this page-sorry about responding individually, you probably understand that if I were to reply to everyone I wouldn't have much time to do anything else.

The procedure.

  • I need a clear colored photograph to work from
  • Contact me via the contact page located on the home page
  • Portraits cost from £450.00 plus £150 for detailed background
  • Portraits are sent in strong cardboard tubes, it's cheaper for you this way, and it leaves you free to choose the style of frame that suits your home decor.


Yes, I do dogs and if you wish to be an agent please contact me via the home page. Portraits take about six weeks, I need a good quality colored photograph to work from, hope that answers your questions. Thank you for your understanding and support your involvement has been simply incredible since starting this website...Thank you, John Allsopp G4YDM.


A child,s portrait captured in oil on canvas by John Allsopp

My latest portrait, oil on canvas, 20x24 inches by John G4YDM



My Artwork

Ham Radio operator paints-A child's portrait in oil




Ham Radio operator-paints Children's portraits

Ham Radio operator-paints Children's portraits 


Ham Radio operator-paints Children's portraits.   Thank you for writing and commenting about not only My Art but you have surely made my efforts worthwhile, by suggesting and commenting on my Ham Radio pages...Thank you they are very much appreciated.

Oil on canvas 20 x24 inches hand-painted in oil.

The procedure.




  • I need a clear colored photograph to work from
  • Contact me via the contact page located on the home page
  • Portraits cost from £450.00 plus £150 for detailed background
  • Portraits are sent in strong cardboard tubes, it's cheaper for you this way, and it leaves you free to choose the style of frame that suits your home decor.

Responding to many questions received over the last couple of hours since I uploaded this page-sorry about responding individually, you probably understand that if I were to reply to everyone I wouldn't have much time to do anything else.

Yes, I do dogs and if you wish to be an agent please contact me via the home page. Portraits take about six weeks, I need a good quality colored photograph to work from, hope that answers your questions. Thank you for your understanding and support your involvement has been simply incredible since starting this website...Thank you, John Allsopp G4YDM.


Children's portraits in oil on canvas, by Artist John Allsopp

One of a pair, my latest work, 20x24 inches oil on canvas by John G4YDM




Ham Radio operator-paints Children's portraits