Data Mode QRM on 30-metre (10MHz) band

Hi Andy,
are you sure the digital transmissions were from an Amateur station? Although 30m is allocated as a primary allocation to the Amateur service (I believe), military stations from various countries have been known to “stray into” amateur bands. This could, of course, be some other interference of some sort as well - VDSL2 for example where the amateur band hasn’t been “notched out” when the engineer set up the connection.

As you say - 10.130 - 10.150 MHz is where we would normally expect AR digital modes to be in IARU Region 1.

Hopefully, the interference doesn’t come back but if it does, you need to find if it is local (i.e. VDSL2 or similar) or longer range (e.g. OTHR) interference or the worst-case DQRM (which I would hope is unlikely).

Good luck, 73 Ed.