腓特烈港欧洲国际业余无线电爱好者展览会（HAM RADIO）是欧洲最大的无线电技术及设备展览会，是国际上最大的无线电业余爱好者展览会，该展从1976年开始，一年一届，在腓德烈港举行。来自欧洲各地及世界其它各地的无线电业余爱好者参加，是无线电技术发展驱动器，展期三天，展览的无线电技术，电子产品，互联网络，计算机等相关技术产品。
HAM RADIO展每年有来自30多个国家的近200家企业参展，吸引来自全球近2万名无线电爱好者参加，展会涉及：地面无线电波传输技术及应用、水上无线电波传输技术及应用、空中无线电波传输技术及应用。展期举行各种技术与交流讲座，青年爱好者指导与培训。
无线电爱好者
在无线电领域里，有着一群特殊的群体，被称为“火腿族”，英文HAM。他们不是专门从事无线电工作的，却掌握了一定电子技术学习、制作、使用无线电，以对无线电的学习、应用和掌握从而对其产生的乐趣，实现生活、学习和工作的简单问题。
无线电是近代发展起来的，无线电是指在自由空间传播的电磁波，其频率300GHz 以下。无线电技术是通过无线电波传播信号的技术。无线电技术的原理在于，导体中电流强弱的改变会产生无线电波。利用这一现象，通过调制可将信息加载于无线电波之上。当电波通过空间传播到达收信端，电波引起的电磁场变化又会在导体中产生电流。通过解调将信息从电流变化中提取出来，就达到了信息传递的目的。麦克斯韦于1861年至1865年之间在他递交给英国皇家学会的论文《电磁场的动力理论》中阐明了电磁波传播的理论基础。海因里希·鲁道夫·赫兹在1886年至1888年间首先通过试验验证了麦克斯韦尔的理论。他证明了无线电辐射具有波的所有特性，并发现电磁场方程可以用偏微分方程表达，通常称为波动方程。1906年圣诞前夜，雷吉纳德·菲森登（Reginald Fessenden）在美国麻萨诸塞州采用外差法实现了历史上首次无线电广播。菲森登广播了他自己用小提琴演奏“平安夜”和朗诵《圣经》片段。位于英格兰切尔姆斯福德的马可尼研究中心在1922年开播世界上第一个定期播出的无线电广播娱乐节目。无线电爱好者就是在这些方面发挥推动性的作用，正因为他们的作用，无线电的发展才会逐步推进。
展品范围(Show Products):
无线电开发设备：示波器、电流表、电压表、电子仪器；无线信号覆盖、无线电监测及射频技术；无线电监测、测试仪器及无线移动通信配套产品；收音机/半导体相关产品：电子收音机，互联网收音机，计算机收音机；电子元器件；其它无线电产品及设备。
展会报告(Show Reports):
Enthusiasm for technology, tinkering and craftsmanship connect radio enthusiasts from all over the world. They came together at the exhibition center in Friedrichshafen from June 24th to 26th to meet in person, celebrate the reunion and update their equipment. "We are back! After a two-year break, Ham Radio has set a strong example and rekindled the Ham spirit. The exhibitors who presented themselves here were able to conclude or initiate very good business. It has been shown once again that the trade fair is the most important buying and trading point for those interested in radio in Europe. Together with our ideal partner, the German Amateur Radio Club (DARC e.V.), we have put together a top-class trade fair with a varied supporting program," summarized Klaus Wellmann and Project Manager Petra Rathgeber. Ham Radio attracted 10,200 people interested in amateur radio (2019: 14,300) from 52 countries over the three days of the fair.
A wealth of ideas, creativity and an affinity for technology filled the air in the exhibition halls. 394 participants - including 129 commercial exhibitors and associations as well as 265 flea market exhibitors from 27 countries - awaited the amateur radio community at their reunion on the exhibition grounds. From radios and transceivers to antennas, everything was there that a radio operator's heart could desire. The flea market had a number of treasures in store for resourceful radio enthusiasts. A highlight was the varied and exciting supporting program of DARC e.V. "After the break, the trade fair completely exceeded our expectations. With our motto "A reunion with friends" we hit the mark. With our high-quality lecture program, we were once again able to show how much know-how and specialist knowledge we, volunteer radio amateurs, have. The Ham Radio creates this unique space for personal encounters and is therefore indispensable for us as a promoter of amateur radio. A particularly great success for us was the cooperation between the association Notfunk Bodensee, Airbus and DARC e.V.. Together we laid the foundation for the regional emergency radio groups at the trade fair and in the near future we will be launching a nationwide concept for emergency communication", emphasize Stephanie Heine, the press officer of the DARC e.V., and Christian Entsfellner, the DARC chairman.
In the discussions, many exhibiting companies reported that the trade fair was going well. Hans Hilberling from Hilberling GmbH, for example, says: “Ham Radio is the most important trading and contact point for us, we saw many familiar and also new faces at our stand. We've been coming here for 15 years, so the trade fair was a must-attend event again this year. We are glad that the fair is taking place again after the two-year break and that we were able to celebrate seeing friends again here." Christian Jansen from CJ-Elektronik GmbH: "The mood at Ham Radio was good, we are positively surprised. In the run-up to the trade fair, we heard that some larger exhibitors had canceled and were therefore very curious to see how this would affect the flow of visitors. We made very good sales and quite apart from the financial aspect, it was also important from an idealistic point of view to be here. The visitors were happy that the trade fair took place again, what more could you ask for?” Frank Dathe from Funktechnik Dathe sees it similarly: “The number of visitors at our stand was slightly larger this year than at the previous edition. With its supporting program and the many opportunities to meet in person, Ham Radio has an incomparable overall package to offer. It was the right decision to come here and we will be there again next year!” Richard Joachims, Managing Director of Joachims HF & EDVberatungs GmbH, sums up: “The interest in our range was outstanding. We are very happy with the way Ham Radio went. Thanks to the visitors who were willing to buy, many products were sold out after a short time. Our expectations were absolutely exceeded. We are already looking forward to the new edition in 2023!”
The next Ham Radio will be broadcast again from June 23rd to 25th, 2023 in Friedrichshafen.
