I am hearing very occasional glitches on the first dit, but much of the time it is clean, as an "L".
I wonder, could this be a reappearance of a "fixed" version of the "TR" beacon? I always wondered if the TR was supposed to be L but with a slightly long pause after the first dit. The TR was last reported in the 69XX area and the L was first reported in the 69XX area. TR used to change frequency and it is not inconsistent that it would now be on ~6668 kHz. The L appears to be hitting me about the same as the TR used to, even in mid day, possibly slightly weaker. And the TR does not appear to have been reported after the L made its appearance. Not really anything much to draw them together, just a thought.
Like the TR this L beacon drifts noticeably in a few minutes. The drift does not appear to be as large but maybe over time it would be.
T!