- 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/
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).
100th Anniversary of the IARU
During August 2025, Atlantic Coast DX & Contest Group members will proudly honour the 100th anniversary of the International Amateur Radio Union (IARU).
To celebrate this milestone, the group will conduct special activations of Parks on the Air (POTA), World Wide Flora & Fauna (WWFF), and Canadian Historical
Sites On the Air locations, alongside other commemorative events. These activities highlight the spirit of global amateur radio cooperation and the IARU's
century-long commitment to the hobby.
Work CG9IARU and Earn a Special Certificate - As part of the centennial celebrations, the Atlantic Coast DX & Contest Group will operate the special callsign
CG9IARU on three different bands throughout August 2025. Amateur radio operators who contact CG9IARU on all three bands during the month will be eligible
to receive a special commemorative certificate recognizing their participation in this historic event.
Further information can be found at: https://www.qrz.com/db/CG9IARU
Indonesia Independence 80th Anniversary
Celebrating the 80th anniversary of the Republic of Indonesia's proclamation of independence (17 August 1945), HQ station 8A80RI and 34 special event
stations will be active August 14-20th from various Indonesian provinces: 8A80BL (Bali), 8A80JK (Jakarta), 8A80SB (Sumatera Barat), 8B80JB (Jawa Barat),
8B80JG (Jawa Tengah), 8B80JI (Jambi), 8B80JT (Jawa Timur), 8B80KB (Kalimantan Barat), 8B80SL (Sulawesi Selatan), 8C80AC (Aceh), 8C80KS (Kalimantan
Selatan), 8C80NB (Nusa Tenggara Barat), 8C80SB (Sulawesi Barat), 8C80SL (Sumatera Selatan) 8D80RI (Riau), 8D80SR (Sulawesi Tenggara), 8E80BL
(Bangka Belitung), 8E80KG (Kalimantan Tengah), 8E80NT (Nusa Tenggara Timur), 8E80SG (Sulawesi Tengah), 8F80SU (Sulawesi Utara), 8G80GR (Gorontalo),
8G80KR (Kepulauan Riau), 8G80KT (Kalimantan Timur), 8G80LP (Lampung), 8G80PA (Papua), 8G80SU (Sumatera Utara), 8H80BT (Banten), 8H80MA (Maluku),
8H80YK (DI Yogyakarta), 8I80BK (Bengkulu), 8I80KU (Kalimantan Utara), 8I80MU (Maluku Utara) and 8I80PB (Papua Barat). Further information about
the 'Indonesia Award 2025'and for eQSLs can be found at https://hamaward.cloud/awards
Malaysia Day & Malaysia National Day
Celebrating National Day (August 31) and Malaysia Day (September 16), several special event stations located in various Malaysian states and federal territories
are expected to be activated between August 15th and September 30th. Active from West Malaysia will be 9M25MA, 9M25MB, 9M25MC, 9M25MD, 9M25MJ,
9M25MK, 9M25MM, 9M25MN, 9M25MP, 9M25MR, 9M25MT, and 9M25MW. Active from East Malaysia will be 9M25MS (Sabah) and 9M25MQ (Sarawak). QSL
via the operators' instructions.
Battle of Britain 85th Anniversary
Look for thirty special callsigns from Poland and the United Kingdom to take part in the radio event "Polish Wings in the Battle of Britain", commemorating the Polish
Air Force squadrons that fought alongside the Royal Air Force during World War II: SP300RAF, GB300RAF, SP301RAF, GB301RAF, SP302RAF, GB302RAF,
SP303RAF, GB303RAF, SP304RAF, GB304RAF, SP305RAF, GB305RAF, SP306RAF, GB306RAF, SP307RAF, GB307RAF, SP308RAF, GB308RAF, SP309RAF,
GB309RAF, SP315RAF, GB315RAF, SP316RAF, GB316RAF, GB307RAF, SP317RAF, GB317RAF, SP318RAF, GB318RAF, SP663RAF, GB663RAF. Organized by
UK based Polish clubs M0SQC and M0KKN, and by the Polish Amateur Radio Union (PZK), the event will run between September 1 to 28. For further information
please visit: https://www.rafpolishairforce85.pl/home . Certificates and eQSLs will be available at: https://hamaward.cloud/awards
Day of Asturias
Special event callsigns EG1SDC-EG9SDC (September 1-7), EH1SDC-EH9SDC (September 8-14), and EG41SDC (September 1-14) will be actived to commemorate
Day of Asturias and the principality's patron saint, commonly known as the Santina de Covadonga. This is the 41st edition of the 'SDC' special event. Also active will
be CB1SDC from Chile (September 1-14). QSL for all calls via EA1AUM, LoTW and eQSL. Further information, including on-line logs and downloadable certificates
can be found at: https://santina.dxfun.com/
Dutch Lighthouse Hunt
The "Dutch Lighthouse Hunt" will run between September 1-30, when members of the Dutch Radio Group will use eleven special callsigns, each representing a
different lighthouse in the Netherlands: PA01LH, PD00LH, PD01LH, PD02LH, PD03LH, PD04LH, PD05LH, PD06LH, PD07LH, PD08LH, and PD09LH. For more
information about the event see: https://www.qrz.com/db/PA01LH
ISWL Club Callsigns
The International Short Wave League Club Callsigns in use for September 2025 are:
G*4BJC /A - None Assigned at this time.
MN1SWL /A - Operated by Lindsay, GI3KME, located in Downpatrick, County Down, Northern Ireland (/A WAB Square 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.
Cuban DX Group (GDXC) 45th Anniversary
The Cuban DX Group (GDXC) will celebrate its 45th anniversary on September 7th, and to celebrate, several of its members will be active throughout the month
of September on various bands and modes. These stations will be eligible for the "45th Anniversary" certificate, which will be awarded in four different categories:
Gold, Silver, Bronze, and Diamond. For Gold, at least 20 of these stations must be worked, 15 for Silver, and 10 for Bronze. Diamond will be awarded to the ten
stations that manage to work the greatest number of these valid stations. No application is required. The eligible member stations are as follows: CO1ND, CO2XN,
CO2AN, CO2II, CO2QU, CO2TZ, CO2BK, CO2AJ, CO2AV, CO2JD, CM2JR, CO5MK, CO6SRS, CO6RQ, CO6DE, CO6HZ, CO7YOD, CM7WF, CO7NL, CO7WT,
CO7MTL, CO8ZZ, CO8VW, CM8JFL, CO8WN, CO8TDL, CO8DFC, CM8TCL, CO8SJ, EA7JTP, KR4DWD, NA7L, EA8XNX, HK6DOS, HA3JB, OZ1IKY, KP4SX
and W1RCR. Information on this special event and 45th anniversary certificate can be found on their website at:
https://www.frcuba.cu/filiales-grupos/grupo-dx/celebrara-grupo-dx-de-cuba-su-cumpleanos-45-con-actividad-especial.html
SSA Celebrates 100th Anniversary
This September 10th is the Swedish Amateur Radio Association's (SSA) official birthday. During the period September 10th to October 12th, the SSA will organize
a diploma activity that involves contacting SSA's anniversary stations on as many of the bands 160–6m and mother as possible. They will have the following 10
special event stations on the air: SB100SSA, SC100SSA, SD100SSA, SE100SSA, SF100SSA, SH100SSA, SI100SSA, SM100SSA, 7S100SSA and 8S100SSA.
Look for special event stations to be on 160-6m and various modes (CW, SSB and Digital). You can earn diplomas through the Hamaward online system (which
can track contacts and allow instant downloads of certificates and eQSLs).
For more details, see the following Web page: https://www.ssa.se/ssa-100ar-diplomaktivitet-operatorer-sokes/
130th Anniversary of the Invention of Radio & 100th Anniversary of the IARU
In late summer or early autumn of 1895 (the date is uncertain), Guglielmo Marconi succeeded in transmitting the three dots of the letter "S" in Morse code from Villa
Griffone near Bologna to a receiver located more than a mile away and behind a natural obstacle, the so-called Celestini Hill. This event is considered the beginning
of radio transmissions in the world.
One hundred years ago, amateur radio associations around the world decided to create an organization to represent them. Thus IARU, the International Amateur
Radio Union, was born of which and ARI is the only Italian delegate.
To celebrate both the 130th anniversary of the radio invention and the 100th anniversary of IARU, ARI - Italian Radio Amateurs Association - is announcing an
Amateur Radio Award named "The 130-100 Award," meaning 130 years of radio and 100 years of IARU.
From September 15 to October 15, 2025, many ARI Radio Club stations will be present on the HF amateur radio bands. Look for stations of the ARI Sections with
Special IARU Callsign: i.e. several stations with prefix II or IR + call-area+ IARU (e.g. II1IARU or IR1IARU).
All Bulgarian Saints 2025 00.00 UTC on 1 January through 23.59 UTC on 31 December 2025
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