Noise on 30m QRSS and WSPR Freq

Ross from the QRP-L list pointed out S9 noise on the 30m QRSS and WSPR Freq, I did a quick look at the University of Twente WebSDR at 03:00Z, and this is the results:

A very strong signal shown from 10.138mHz to 10.145mHz, I did another quick check at the WSPR Map Web page and apparently 30m WSPR signals are still get through - I wonder how?

It is great to have WebSDR's around the world to check.

---

UPDATE
The S9 Signal is gone, at 04:00Z - Good.

-