From HFUnderground
Xenon Transmitting Company (XTC) is a shortwave pirate from the UK. Programs consist of a variety of music and talk about music and other subjects including radio. Programs are usually pre-recorded and about an hour long. Broadcasts are in AM mode and are often on odd frequencies (e.g. 6326.06 kHz). XTC verifies reception reports sent through email to xtcshortwave@googlemail.com with an eQSL. XTC also still offers physical QSL cards as of June 2022 for reception reports sent to:
XTC Shortwave
PO Box 2702
Herten 6049 ZG
The Netherlands