DX-Tuners is a global network of receivers tunable by the Internet. A couple of these are free, then you get a lot more by subscribing at different levels. A few of these are "DX" receivers, with good antennas and audio of sufficient quality to achieve good decode of many digital modes. HF weather FAX, for example, is a snap. [I know, FAX is analog, but you get the point.]
Here's an especially good surface weather chart from the UK Royal Navy, received on 8038 kHz USB dial reading on a large wire antenna in Alma, Sweden, then sent over the net to my computer here in The Land That Shortwave Forgot: