@arcdxc

UNITED NATIONS INTERNATIONAL AMATEUR RADIO CONTEST DX CLUB

 Vienna, Austria
4u1a.club
Joined September 2015
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#hamradio
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#ham #hams #hamr #hamrad #hamradio #cqdx #amrad #cq #dx #DXped #DXpedition #H49A #UN #vicrec #ARCDXC #4U1A #AmateurRadio #AmateuRadio
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H49A 28 CW - Oct. 14, 2026 at 09UTC de 4U1A
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#ham #hams #hamr #hamrad #hamradio #cqdx #amrad #cq #dx #DXped #DXpedition #9T0MD #UN #vicrec #ARCDXC #4u1a
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Today, we tested a new mobile setup featuring the Yaesu FTDX-1 transceiver. The impressions are entirely positive. #hamradio #ham #amrad
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World Radio Day (French: Le jour mondial de la radio) is an international day celebrated on February 13 each year. The day was designated by UNESCO on November 3, 2011, during its 36th conference. #UN #UNESCO #WRD #RadioDay #4UNR #CQDX #CQ #DX #ham #hamr #hamradio #4U1A #ARCDXC
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Dear fellow HAM's We are introducing a new CW code trainer for both beginner and advanced HAM's. This program was developed by 4U1A club member Sparky (OE1ZZZ). The program is adapted for any platform and opens in any online web browser. 4u1a.club/morse-trainer.html #ham #cw #cqdx
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IARU HF Contest (WRTC 2026) Claimed Score (4U1A) SO/LP Assisted CW Only. Op: OE/YL2QN #IARU #WRTC #WRTC2026 #CQDX #CQ #DX #ham #hamrad #hamradio #amrad #amateurradio #ARCDXC #4U1A #VIC #VICREC #Radio #radiosport #UN
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A lot's of West Coast US on 6m band! #ham #hamradio #50mhz #VHF #amrad #amateuradio #cqdx #cq #dx
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Guinness World Records (GWR) Book Certificate Issued to Mr. Andrey Fedorov (Club President): #1 - Awarded for the highest number of QSO's in a year (2018) #2 - Awarded for the highest number of QSO's in a 24h (2025) #3 - Awarded for the highest number of QSO's in a Month (2025)
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Official Announcement from the 4U1A Radio Club 4u1a.club/news/official-anno…
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ARCDXC great achievements by Sparky (4U1A Club President) #un #vic #vicrec #HAM #HAMS #HAMRADIO #AMRAD #amateuradio
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4U1A retweeted
KL1A ⚡@KL1AMay 14
BLOCK DIAGRAM of the 1st QUANTUM HAMRADIO Transceiver (Transceiver Core (Optical & Quantum Processing) Draft (c) by Sparky
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#ARRL #CQ #CQDX #Contest #amrad #ham #hams #hamradio #amateuradio #amateurradio #DXContest #ARRLcontest
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Memorial "Victory-81" The diploma program was successfully completed in a short period of time. #ham #hamr #hams #hamradio #amrad #cqdx #cq #dx #amateurradio #amateuradio #VICREC #ARCDXC #4U1A
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#CQWWVHF #CQ #DX #CQDX #ham #hamr #hams #amrad #amateurradio #radio #amateuradio #VICREC #ARCDXC #4U1A #CQContest #CQWW
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Alik - 4L5A (ex RF0FWW) SK - May 02.2026 #hamradio #dxnews #ham #hamr #hams #cqdx #cq #dx #amrad #amateurradio #amateuradio #RIP
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1st in WORLD WIDE and in EUROPE #CQDX #CQ #DX #ham #hams #hamr #hamradio #amrad #CQ160 #160m #CQ160m #CQWW160 #amateuradio #amateurradio #radio #VIC #VICREC #ARCDXC #4U1A #UNClub #UN
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Happy #WorldAmateurRadioDay! I've been celebrating in our very own station 4U1ITU with #teamITU's SV3SJ, sharing our passion for amateur radio. To all fellow radio amateurs, thank you for keeping the spirit of communication alive. 73 and 88 from KD2JTX… over!

World Amateur Radio Day 2026

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