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Area D (Delta)
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| The English names and descriptions on this page are general translations based on available public information. They may differ from the official English names or intended representations used by each exhibitor. Please refer to each exhibitor's official website or materials for accurate and authorized terminology. |
| D01 VoIP Link Study Group | Display of DMR digital repeaters and radios, Zello communication app demonstrations, and information exchange. | https://dmr.digitalradio.tech | ||
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| D02 WIRES Network Communities | A group related to the WIRES communication system. | |||
| D03 PRUG | Introduction of compact TNCs using ESP32, M5, Raspberry Pi; development of command mode TNCs; research on 3600bps QPSK modems via speaker-mic terminals; nostalgic TNCs display and experiments; display and sale of packet radio gear and documents (including junk). | https://www.prug.com/ | ||
| D04 Digital Mode DX Group | Promoting digital modes like FT8, FT4, JT65; offering advice for beginners. | https://jt65-dx.com/ | ||
| D05 Icom QRV Amateur Radio Club | Promoting D-STAR; free write-in service of latest DR-mode repeater lists. | |||
| D06 Japan D-STAR Users Group | Introduction and consultation about D-STAR; beginner-friendly classes; eyeball meetings. | https://www.d-star.jp/ | ||
| D07 Nagoya Digital Communication Circle (NDC) & Friends | Live D-STAR demonstrations, sales of related gear and software, disaster communication applications. | https://1f.kits.ne.jp/~ndc/ | ||
| D08 Cathode Tap | Presentations on applying DSP techniques to amateur radio, showcasing radio restoration projects, and sales of related kits, parts, and used test gear. | http://fpga.world.coocan.jp/COUNTER/index.html | ||
| D09 Chuo University Amateur Radio Club | Showcasing club activities in wireless, microcontroller/robotics, drones, and software; participation in contests; AI and server usage presentations. | https://instagram.com/denken_chuo | X @JA1YGX | |
| D10 Photon Radio | Photon Radio explores photon physics for a new radio technique of Digital Carrier. We research radio photon manipulation and want to replace the AM radio band with high speed public radio stations. Please look at our data and join us to develop a new radio service for the AM band. | http://photonradio.com | ||
| D11 JARL Tokai Regional HQ | Reports and exchanges from Tokai regional HQ (Shizuoka, Gifu, Aichi, Mie); special station introductions; consultation for D-STAR and ARISS; PR for the 57th Tokai Ham Festival (Oct 26, 2025). | https://www.tokai-jarl.jp/ | ||
| D12 JARL Takaoka Club | Club activity displays, free DVD magazine distribution, Toyama sightseeing info, reports from Hokuriku HQ, mobile operations by JH9YAA, and QSL card handout. | https://www.jarl.com/ja9ynn/ | ||
| D13 JARL Yamagata Club | Activity overview from Yamagata City-based club, including monthly 430 MHz roll calls and events like meetings, mobile ops, and technical lectures. Coax switch prototypes on display and possibly available for distribution. | https://ja7hrm.wixsite.com/ja7yol | ||
| D14 University of Electro-Communications Club | Selling Morse code CDs, handmade baluns and antennas, and affordable consumables like tapes and bags; ideal for exam prep and hands-on use. | ja1zgp.com | X @ja1zgp | |
| D15 University of Tokyo Amateur Radio Club | Distribution of club journal, award ceremony for ALLJA1 contest, display and sale of club projects. | https://ja1zlo.u-tokyo.org/ | X @JA1ZLO | |
| D16 JARL Ibaraki Prefecture Branch | Information on local branches and clubs, Ibaraki tourism, and info exchange. | |||
| D17 JARL Tokyo Branch | Exchange and meeting space for branch supporters and FreeDV fans, and opportunities to connect with new friends. | https://jarl-tokyo.org/wp2 | ||
| D18 JARL Yokohama Club | Information on the All Yokohama Contest, club activity reports, and eyeball QSOs. | |||
| D19 Nippon Institute of Technology Radio Club | Selling used items and components; “strong field” units to be sold again this year; introducing past club activities. | https://x.com/JA1YYE | X @JA1YYE | |
| D20 DX Vacation | Showcasing DXpedition gear and photos; licensing support for overseas hams; gear sales; exchange with international operators. | |||
| D21 JANET CLUB / JAIG | Japanese-speaking QSOs centered on the US and Europe; supporting overseas operations and fostering international friendship. | |||
| D22 Satekasu | Sharing technical insights and information for satellite communication enthusiasts and municipality hunters. | http://jf1kic.b.la9.jp/ | X @339KasuKasuNet | |
| D23 HKWG & CWOps | Selling used amateur radio and PC gear; introducing CWOps activities. | |||
| D24 Yokohama DX Club | Display of club activities via posters. | https://www.ydxc.jp/ | ||
| D25 FAR EAST DX-PLOITERS | Hosting a free “DX Help Desk” to assist beginners and those curious about DXing, digital modes like FT8, and sharing real QSO tips. | http://www.fedxp.com/ | ||
| D26 Shonan Institute of Technology – Using CTESTWIN and USBIF4CW | Presenting club activities including how they use CTESTWIN and USBIF4CW. | https://nksg.net/gadget/ | X @JN1YQU | |
| D27 A1 CLUB | A club dedicated to enjoying Morse code and CW communication. Introduction, demos, and item distribution. | https://a1club.org/ | ||
| D28 HAM-NET | Selling original items: radio straps, phonetic alphabet clear files, keys, and antennas. | https://www.ham-net.jp | X @HAMNET31602736 | |
| D29 Meiji University High-Frequency Research OB Group | Research activity reports by JA1YCL Meiji University OB members. | |||
| D30 Hamfair Japanese Morse CW Society | Promoting Japanese Morse (Wabun) CW; demonstrations and handouts of station lists. | |||
| D31 SUR Workshop | Display of uniquely shaped handmade CW keys (vertical and horizontal); for beginners and seasoned CW operators. | https://sur-kobo.jimdofree.com | X @sur_kobo | |
| D32 Gejigeji Club | Distribution of CW memory keyers, peripheral equipment, and junk sales. | https://www.gejigeji.com/ | ||
| D33 National CW Society | Recruiting those who love CW and want to improve CW skills while enjoying QSOs and friendships. | https://kcj-cw.com/j_index.htm | ||
| D34 High School Amateur Radio Federation Plus | Joint exhibit by national and regional high school radio federations reporting junior activities and encouraging peer exchange. | https://zenkok-ama.mg-sci.com/ | ||
| D35 6m Laundry Net | Selling radios, components, junk items, blank QSL cards; 6m mobile QSO consultations. | |||
| D36 10mFM & PRN | Showcasing operations and repeater information on the 10m FM band; radio and accessory sales. | http://29fm.net | ||
| D37 Miyazaki University Radio Club (JA6YBR) | Club activity reports, 6m beacon info, used and handmade gear sales, OB meetings, and Kyushu area networking. | https://www.ja6ybr.org/ | X @ja6ybr | |
| D38 6m AM Roll Call Group | Introducing 6m AM roll calls, distributing pamphlets, showcasing DIY gear, and selling components. | https://www.6mam.com/ | ||
| D39 Kansai 6m AM Roll Call Group | Celebrating 45 years of uninterrupted weekly roll calls across 10 bands; rare parts and gear for sale. | |||
| D40 Shibaya Preservation Society Next | Club showcasing diverse amateur radio, networking, and electronics projects; gear and handmade item sales. | https://ja1yxp.radio | X @ja1yxp | |
| D41 Tokyo (Denki/Gakugei/Noko), Hosei Univ. & NICT Radio Club | Joint booth for university and NICT clubs showing activities and operating special event station 8N3ICT/1. | https://hp.jpn.org/JR1YPU/ | X @otackie | |
| D42 APOLLO HAM CLUB | Introducing Tamagawa Contest rules; selling used radios; CW speed contest; club interaction. | http://apollo.c.ooco.jp/ | ||
| D43 Patapata Ham Club | Club activity reports and project introductions. | X @JS1YQD | ||
| D44 Kanagawa Prefectural Marine Science High School Electronics Club | Display of research and daily activities, junk market, and student-made products. | https://www.pen-kanagawa.ed.jp/kaiyokagaku-h/index.html | ||
| D45 Shichirin Club | Revived field day contest club JA1ZEN, welcoming visitors again this year. | |||
| D46 JARTS | RTTY club that organizes the annual JARTS WW RTTY contest. | https://jarts.jp | ||
| D47 QRL Club | Selling contest guidebooks, junk items, and reporting club activities. | |||
| D48 Hotate Contest Club | Club of amateur radio and contest lovers; holding contest workshops and actively participating in contests. | X @HTT_CC | ||
| D49 Radio Education Association Amateur Radio Club | Club reports, book sales, spurious measurement experiments, and Morse keying demonstrations. | https://denpa.or.jp/ | ||
| D50 Zushi-Hayama Amateur Radio Club + 2 groups | Joint exhibit by: Zushi-Hayama Amateur Radio Club (JA1YUU), Yokosuka-Zushi VE Team, and Shonan Beach FM Amateur Radio Club (JQ1ZLE). Featuring club activities, sales of kits/books/goods, on-site trial operation, PR for Zushi City’s 70th Anniversary Award, and VE exam info. | https://ja1yuu.blog.fc2.com/ | X @8J1ZC | |
| D51 No Sleep Contest Club (JK1YMM) | Active contest participants who proudly avoid sleep. Offering kit and junk sales, and club intro. | |||
| D52 Uenohara Amateur Radio Club | Selling amateur radio gear, including junk items and accessories. | |||
| D53 JASC | Displaying past award-winning contest creations. Free custom calendar with your photo at the booth. Great way to commemorate Hamfair and reconnect with old friends. | https://www.jasc-ham.net/ | ||
| D54 JARL Kansai Regional HQ | Kansai Ham Festival PR, 430MHz station operation, and updates on 8K3EXPO for Osaka Expo (until Oct 13). Station operation from the booth possible. | |||
| D55 Sobu Club | Selling junk radios, electronic components, and related gear. | |||
| D56 Room, Antenna, and Me | OBs from Nippon Institute of Technology Radio Club (JA1YYE) reuniting to distribute junk and zines (e.g., Weak Field). |