- For updated Special Event activity, please visit my DX Calendar page. UPDATED DAILY!
"Marconi - Patended By" Award
From January 1st to December 31st, 2025, ARI Fidenza will use special callsigns, each representing one of the many patents registered by Guglielmo
Marconi between 1897 and 1926: II4FPEN (January), II4FPUS (February), II4SHLD (March), II4GHPR (April), II4JGGR (May), II4RXOS (June), II4COHR
(July), II4LDMA (August), II4RADS (September), II4WLTX (October), II4EACC (November) and II4TJTB (December). QSL via IQ4FE and LoTW. Information
about the "Marconi - Patended By" award can be found at: http://www.arifidenza.it/
European Capital of Culture (CoC) 2025 Chemnitz
To celebrate the city of Chemnitz, one of the European Capitals of Culture for 2025, special event callsigns DL2025C, DL2025B, DL2025E, DL2025S
and DL2025W will be active between January 18 and March 31, 2025. All contacts will be uploaded to eQSL, LoTW, Club Log and the DCL (DARC
Community Logbook); paper QSL cards will not be issued, but digital QSLs - as well as a number of certificates - will be downloadable from the
event's website. Complete information on the "2025C Ham Radio Event" can be found at https://2025c.de/.
UBA IARU 100 Event
To celebrate the IARU centenary, the Belgian IARU society (UBA) will be activating 30 special event stations between March 15th and May 15th, 2025. The
callsigns of these stations are: ON100I, ON100A, ON100R, ON100U, OO100I, OO100A, OO100R, OO100U, OP100I, OP100A, OP100R, OP100U, OQ100I,
OQ100A, OQ100R, OQ100U, OR100I, OR100A, OR100R, OR100U, OS100I, OS100A, OS100R, OS100U, OT100I, OT100A, OT100R and OT100U. These
stations will be aired from several local divisions of the UBA. Furthermore, ON0IARU and OR0IARU will be activated by the members of the UBA board and
HF Committee. A series of free awards will be available to the deserving. Please visit ( https://www.uba.be/en/news/uba-iaru-100-event ) for further details
including the QSL policy. [TNX Tedd Mirgliotta, KB8NW]
ISWL Club Callsigns
The International Short Wave League Club Callsigns in use for April 2025 are:
GX4BJC/A - Not yet assigned
MN1SWL/A - Not yet assigned
QSL GX4BJC and MX1SWL calls via Dick M5DIK.
All calls via Bureau, eQSL.cc, or direct with return postage. (No IRC's in the UK).
See QRZCQ.com for details.
MRASZ IARU 100 Event
Members of the Hungarian Radio Amateur Society (MRASZ) will be active with the following special callsigns between April 1-18th, 2025, to commemorate
the centenary of the foundation of the International Amateur Radio Union (IARU). Look for the following special event callsigns to be activated: HA100IARU,
HG100IARU, HA100Y, HA100E, HA100A, HA100R, HA100C, HA100L, HA100B, HA100T, HA100I, HA100O and HA100N. QSL via HA2NA. QSOs will be
uploaded to LoTW and Clublog. QSL card not required. Request QSL card through Clublog's OQRS (https://clublog.org/).
World Autism Awareness Week
The 3rd annual "World Autism Awareness (Acceptance) Week 2025" will take place between April 2-8th. This is the largest international cooperative special
event in Amateur Radio.
Because it's OK to be Different
Look for the following stations to be on the air: W2A, W2A/KL7, W2A/KH6, GB2AA, GB2AAW, GB2WAA, GB0AAW, GB4AAW, GB5AAW, GB6AAW, GB9AAW,
8A2AAW, 9M4CSI, 9A24WAW, HI0AUT, S76A, VC2AA, PA24WAAD, PD2024AAW, VO1BIG/VE3, A60WAAD and 7A2M.
QSL INFO: Most stations will use ClubLog's OQRS for QSL cards only. Look on QRZ.com for QSL information.
PZK 95th Anniversary & IARU 100th Event
The Polish Amateur Radio Union (PZK) will celebrate its 95th anniversary and the IARU centenary by activating ten special event stations between April 11-25th:
3Z95PZK, HF95PZK, SN95PZK, SO95PZK and SP95PZK
3Z100IARU, HF100IARU, SN100IARU, SO100IARU and SP100IARU
Information on a special award will soon be published at https://hamaward.cloud/awards
CRK IARU 100 Event
Members of the Czech "C.R.K" Radio Club will activate the special event callsigns, OL100IARU/OL100I/OL100A/OL100R/OL100U, to celebrate the 100th
anniversary of the International Amateur Radio Union (IARU) between April 15th and December 31st. Activity will be on all bands and modes. QSL via LoTW.
An award is available (see QRZ.com).
URE IARU 100 Event
The Union de Radioaficionados Espanoles (URE, Spain's IARU member society) will celebrate the centenary of the International Amateur Radio Union from
April 15-30, 2025. Look for special callsigns AO100IARU, AO1IARU, AO2IARU, AO3IARU, AO4IARU, AO5IARU, AO6IARU (Balearic Islands), AO7IARU,
AO8IARU (Canary Islands) and AO9IARU (Ceuta & Melilla). QSL via EA4URE. A number of awards will be available, details at - https://iaru100.ure.es/
World Amateur Radio Day
Radio Amateurs of Canada (RAC) is once again holding a "Get on the Air on World Amateur Radio Day" special event in which it encourages as many amateurs
as possible to contact as many RAC stations as possible. Operating across Canada from 00.00 UTC to 23.59 UTC on 18 April, the RAC official stations will be
VA2RAC, VA3RAC, VE1RAC, VE3RHQ, VE4RAC, VE5RAC, VE6RAC, VE7RAC, VE8RAC, VE9RAC, VO1RAC, VO2RAC, VY0RAC, VY1RAC and VY2RAC.
QSL via LoTW or via the Bureau. Those contacting one or more RAC stations, on any band and mode, will be eligible for a certificate:
https://www.rac.ca/operating/world-amateur-radio-day-april-18-2025/
ISWL Club Callsigns
The International Short Wave League Club Callsigns in use for May 2025 are:
GX4BJC/A - Not yet assigned
MN1SWL/A - Not yet assigned
QSL GX4BJC and MX1SWL calls via Dick M5DIK.
All calls via Bureau, eQSL.cc, or direct with return postage. (No IRC's in the UK).
See QRZCQ.com for details.
ISWL Club Callsigns
The International Short Wave League Club Callsigns in use for June 2025 are:
GX4BJC/A - Not yet assigned
MN1SWL/A - Operated by Lindsay, GI3KME, located in Downpatrick, County Down, Northern Ireland (WAB J43, IOTA EU-115, WLOTA 1439)
QSL GX4BJC and MX1SWL calls via Dick M5DIK.
All calls via Bureau, eQSL.cc, or direct with return postage. (No IRC's in the UK).
See QRZCQ.com for details.
All Bulgarian Saints 2025 00.00 UTC on 1 January through 23.59 UTC on 31 December 2025
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