Unbiased signal would be my guess. Saw it for the first time from nostr:nprofile1qqsp4lsvwn3aw7zwh2f6tcl6249xa6cpj2x3yuu6azaysvncdqywxmgpvemhxue69uhkv6tvw3jhytnwdaehgu3wwa5kuef0dec82c33wf6xcutrvyu8ydnpw4ukzae4dc6ksvmvx56ryvnyd568xunex4j85en9v56rvwfkveck2wrnxeckwatyddenwer2w3n8x0mzwfhkzerrv9ehg0t5wf6k2qg5waehxw309aex2mrp0yhxgctdw4eju6t0qyv8wumn8ghj7un9d3shjtnndehhyapwwdhkx6tpds64sgpc today