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QRO demands mastery
The art of high transmit power
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The appeal of amateur radio lies in global communication, but physical boundaries and changing propagation conditions often impose natural limits. You’re surely familiar with that moment when a rare DX station gets lost in the noise, or your signal simply can’t break through the dense chaos of a pile-up. A high-quality power amplifier is far more than just an amplifier; it is the tool for confident radio connections and one of the most exciting areas of our hobby.
Today, we address the essential questions that every ambitious amateur radio operator asks. Whether it’s the robust characteristics of classic tube technology or the modern, fully automatic precision of transistors—we offer you a comprehensive overview. It’s not just about raw power, but also about technical finesse.
In addition to the hardware, we also shed light on the necessary infrastructure and the legal framework. Learn, for example, why accessories such as cables and connectors are crucial to the success of your station. We invite you to join us in fully exploiting the technical possibilities.
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For a limited time only and at an unbeatable price – LA-250V 2m Transistor PA 200W
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The LA-250V 2m transistor PA is the ideal choice not only for traditional operation in your home shack, but also for flexible use at your next field day. Take advantage of this opportunity now and secure this powerful power amplifier at the current special price. Since this is a limited-time offer, we recommend making a decision soon while supplies last.
The LA-250V is a highly efficient amplifier solution for the 2m band, delivering an impressive 200 watts of output power in FM and SSB. The unit is based on four robust Mitsubishi RD70 MOSFETs, mounted on a generously sized copper heat sink to ensure optimal heat dissipation. The illuminated LCD display keeps all important parameters—such as input and output power, SWR, and temperature—clearly visible at all times, while two integrated fans ensure consistently cool operation.
Once they’re gone, they’re gone—so act fast before the promotional stock runs out!
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ICOM bundles at an unbeatable price!
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Why pay more when you can get it at an unbelievably low price as part of a bundle? Starting now, you’ll find brand-new ICOM bundles in our online shop that are easy on your wallet. We’ve put together top-notch packages for you, and you’ve never seen savings like this when buying items separately.
Don’t wait—act fast and grab your ICOM highlight at a real bargain price before the first bundles sell out.
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Many linear power amplifiers achieve an efficiency of about 50 percent. When operating at the legal power limit, this results in nearly one kilowatt of pure thermal power loss being dissipated through the heat sinks. Nevertheless, the old adage still holds true: there’s no substitute for power—except for even more power 😉.
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New from WiMo: mAT-125S Universal Antenna Tuner 120W
The mAT-125S is a compact 120-watt automatic tuner for the 1.8 to 54 MHz range, making it ideal for both fixed and portable use. It impresses with extremely fast tuning times of less than five seconds and offers full flexibility through selectable automatic or semi-automatic operating modes. Thanks to its intuitive LED display and easy integration into any radio setup, it is the perfect, universal solution for quickly matching a wide variety of antenna types.
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Information for your planning – the day after Corpus Christi
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To ensure you're well-prepared for your upcoming DX adventures this long weekend, we have an important announcement for you. With Corpus Christi just around the corner, it's the perfect opportunity to check your equipment and explore the bands in detail. Please note, however, that we will be taking a short break from broadcasting on the public holiday, and WiMo will be closed on Friday. We will be back to our regular schedule on June 8th, 2026, and happy to assist you with your projects. The WiMo team wishes you a happy holiday.
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Want to publish your own customer review?
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Share your experiences with us and other customers by writing and submitting your own customer review. We will reward your efforts with a € 50 WiMo voucher if we publish your review. Your opinion is important to us!
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See you in the next newsletter!
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