630m WSPR again

Results 630m WSPR RX till now.

It gets boring, 630m again. I got 35th place at PE1ITR's WSPR challenge. That's average. See results here from 5-3-2017. Not impressive. Max. distance was southern Italy 1600km. I know for sure my horizontal loop is not the ideal receive antenna for MF. If I want to improve I should make a dedicated antenna.

I attended a clubmeeting lately were PA2DTA showed some kind of direction finding receiver. It was capable of receiving in what I think the medium wave range. One of the things he showed was the difference between a attached longwire and a small dipole made with windings on a ferrite rod. I have to admit the dipole received a lot better as it didn't receive electric noise. However it was directional and that is nice to track a station but isn't when receiving WSPR signals around you.

However I found a commercial made MW antenna somewhere on the attick. So I thought I give it a test. I just have it on my radiodesk inside the house that is. And indeed the medium wave stations came in very clear but signals were significant less. All the noise received with the big loop was gone.

Would I receive WSPR signals on 474,2KHz? Yes, not as many but I did! I think this design could be much better as just a single wire outside the house. Thinking of a bigger loop outside the house. The only problem is the directivity. If you call it a problem of course as you are able to null out the QRM/QRN. It would be nice to experiment with it in the future. It also shows that you are able to pull WSPR signals out of the noise with a simple antenna inside the house on the 630m band.