425 dxnews information
425 DX News issue #1342
DXCC prefix: HA - HungarySpecial callsign HG14HST is active to promote the 14th IARU High Speed Telegraphy World Championship that will be held in Esztergom, Hungary on 8-12 September (see www.hst2017.org/en/ for complete details). QSL via HA2NA and LoTW.
information from: http://www.425dxn.org