9A     - The  Radio Klub Grada Zaboka  (9A0Z)  has been active  as  9A2CHRIS
         since early April to honour the memory of Kresimir "Chris" Kovarik,
         9A5K (8 May 1974 - 27 February 2019).  Activity will continue until
         the end of the year. QSL via LoTW and eQSL; a special QSL card will
         be downloadable  on  http://www.9a0z.com/.  Past  President  of the
         Croatian Amateur Radio Association (HRS)  and  Vice Chairman of the
         IARU Region 1 HF Committee, Chris was the author of DXlog.net and a
         competitor in  WRTC 2006, 2014  and  2018.  In 2019 he was inducted
         into the CQ Contest Hall of Fame.

DL     - DL25GDXF is the  special callsign for the  German DX Foundation  to
         celebrate its 25th anniversary from  1 May  until 31 July.  QSL via
         DL6DH and LoTW.  Contacts made between  1 May and 31 December  with
         DL25GDXF, DF0GDX (club callsign, active since 1 February 2021)  and
         GDXF  members  count   towards  the  "25 Jahre GDXF"  award  -  see
         https://gdxf.de/gdxf25/ for information.

HB9    - Special callsign HB90BERO  will celebrate the  90th anniversary  of
         the Beromuenster broadcasting  station  between  1 May and 31 July.
         QSL via LoTW and Club Log's OQRS. The Beromuenster transmitter  was
         a medium wave AM  broadcast station.  Officially opened on  11 June
         1931, it was shut down on 28 December 2008.

HL     - Lee, HL1IWD  will be active  holiday  style as  HL1IWD/4  from  the
         Kogunsan Islands (AS-148) on 1-3 May. He will operate  CW and  some
         FT8 on 40-20 metres. On his way back he will make a short stop over
         on Anmyon Island (AS-080), and will try to be QRV as HL1IWD/3. QSLs
         via EA5GL. [TNX The Daily DX]

I      - Look for IY0CG, IY0ORP, IY0TC, IY1MR, IY1SM, IY1SP and IY5PIS to be
         active during  the  International Marconi Day (24 April).  QSLs via
         operator's  instructions.  These  are stations  affiliated  to  the
         "Coordinamento Stazioni Marconiane Italiane", which gathers amateur
         radio stations operating  from historic  Marconi sites  located  in
         Italy. [TNX IS0JMA]

JD1_oga- Once again Harry, JG7PSJ will be active as  JD1BMH from  Chichijima
         (AS-031), Ogasawara from 30 April to 7 May. He will operate CW, SSB
         and RTTY on 40-10m. QSL via JD1BMH (bureau) or JG7PSJ (direct).  He
         does not use LoTW or PayPal. Logsearch on http://jd1bmh.webcrow.jp/

JW     - LB1QI, LB2HG, LA7GIA, LA7QIA and LA8OM will be active as JW0W  from
         Prins Karls Forland (EU-063),  Svalbard  on  21-26 July,  including
         participation in the  IOTA Contest. They  will concentrate activity
         on 40, 30  and  20  metres  ("but also  other bands if  propagation
         allows"), and outside the contest they will focus on  North America
         and Asia. QSL via M0OXO's OQRS and LoTW.

KL     - The KL7RRC team currently includes Hal W8HC, Rob N7QT, Tim NL8F and
         Yuri N3QQ.  There is  currently  an open slot  for a 5th  operator;
         contact team leader  Yuri, N3QQ (kl7rrc[@]gmail.com)  if you may be
         interested.  Now plans are to be QRV as  KL7RCC  from  Kiska Island
         (NA-070) on 7-12 July, and as KL7RCC/p from Adak Island (NA-039) on
         30 June-3 July and again on 14-16 July.  On Kiska the team plans to
         have a minimum of two stations operating  SSB, CW and FT8 on  40-6m
         with amplifiers and a focus  on the difficult  trans-polar path  to
         Europe. QSLs via N7RO.  Donations  in support  of this  challenging
         IOTA DXpedition can be sent via PayPal: see https://www.na-234.com/
         for the direct link and further information. [TNX W8HC]

LZ     - Special  callsign  LZ70HSC  will  be  in  use  throughout  2021  to
         celebrate the 70th anniversary of the Radio  Telegraphy  High Speed
         Club (http://www.highspeedclub.org/). QSL via LZ2JE.

PY     - PX521BR is the special callsign that Peter, PY5CC will use from  22
         April to 21 May to commemorate  the anniversary  of the  Portuguese
         discovery of Brazil (22 April 1500). QSL via LoTW.

SM     - Members of the Hisingens Radioklubb (SK6AW) will operate as  SE400G
         from  1 May to 31 July  to celebrate the  400th anniversary  of the
         city of Gothenburg, which was granted its founding royal charter on
         4 June 1621. QSL via LoTW, paper cards will not be available.

SP     - Special callsigns 3Z1921PS, HF1921PS, SN1921PS, SO1921PS,  SP1921PS
         and SQ1921PS  will be  activated  on  1-31 May  to commemorate  the
         centenary of the third Silesian Uprising (2 May-21 July 1921).  The
         Silesian Uprisings  ("Powstania Slaskie")  were  a series of  three
         armed conflicts in Upper Silesia from  1919 to 1921 in which  Poles
         and Polish Silesians sought to break away from Germany and join the
         new Polish Republic, founded after World War I.  QSL via operator's
         instructions.  See https://logsp.pzk.org.pl/a/ps1921/  for informa-
         tion about the certificate.

UA     - Special event station R75T will be active on 1-31 May  to celebrate
         the 75th anniversary of Radio Club Stavropol. QSL via RO7T.

UA     - A very large number of Russian stations using special  prefix  RP76
         (where the letter P stands for 'pobeda', i.e.  'victory')  will  be
         active on 2-9 May to celebrate the 76th anniversary of the  end  of
         World War II. More information, including the list of participating
         stations  and  their  QSL routes,  is expected to  be available  on
         https://pobeda.srr.ru/ in due course.