MyAntennas.com offers standard and custom-made multiband antennas, BALUNs, common mode chokes (CMC), and accessories. Every product is designed by Danny Horvat, E73M / N4EXA — an antenna design engineer formerly with Cushcraft Corporation, and the designer of world-renowned antennas including the MA5B mini beam, the R6000 and R8 verticals, the X7 and X9 multiband beams, Monoband Yagi XM series, and the five-band MY5T Yagi also known as Navassa-5. Every antenna is built to order and tested in-house in Zephyrhills, Florida.
My Story
I was first licensed in 1981 as a member of the Amateur Radio Club “Sarajevo” (YU4ALM), holding the YU4WFT and 4N4CX call signs, and was a proud member of the Electro-Technical Faculty Radio Club “ETF” (YU4EXA) — better known as the YZ4Z contest club. Radio has been at the center of my life ever since.
In 1993, I became T93M, and — thanks to a measure of luck and amateur radio — survived the 43-month siege of Sarajevo, the longest siege of a capital city in modern history. Amateur radio was not a hobby in those years; for many of us it was a lifeline. It is part of why I take this craft so seriously to this day.
In 1997, I relocated to the Boston area and then to New Hampshire, where I joined Cushcraft Corporation as an antenna design engineer. There, I had the good fortune of combining my passion with my profession, contributing to numerous amateur and commercial projects. Several of my designs from that era are still on towers and rooftops all over the world: the MA5B mini beam, the R6000 and R8 vertical antennas, the X7 and X9 multiband beams, the Navassa-5, and many more.
In 2000, I left Cushcraft to start my own telecommunications business, but I never stopped designing and building antennas for fellow contesters and DXers. For over a decade, I designed, built, tested, and measured my own antennas at my hilltop contest station in Bosnia-Herzegovina — real antennas on real towers, evaluated on the air in worldwide contests, not just in simulation. Over the years, I have made more than 500,000 QSOs from stations and call signs around the world.
Around 2005, what began as building antennas for friends grew into something more. The requests kept coming, so I registered this domain to publish my designs — and it is amazing how much interest a few pictures on the web and a few friends bragging on the forums can generate. MyAntennas.com was born.
Today, MyAntennas.com (EuroXpress Corporation) operates from Zephyrhills, Florida. We have shipped tens of thousands of antennas, transformers, chokes, and accessories to hams in over 130 countries. Every product is made to order, hand-built, and tested before it ships — the same way I built antennas for my own contest station, because I know exactly what a serious operator expects when the band opens.
EFHW Antennas and Transformers: Our Specialty
Since March 2015, when we brought our high-ratio wideband transformers for EFHW antennas to market, the R&D has never stopped. Designing a 49–81:1 impedance transformation that holds up across the entire HF spectrum (1–30 MHz) is genuinely difficult — every design is a balance of power handling, insertion loss, and match quality across a half-wave wire and all of its harmonics. Some of those limits we have pushed back year after year; others are set by the physics of how wideband, high-ratio transformers work, and no amount of marketing changes that.
What sets our transformers apart is measured, published performance. Our designs run insertion losses in the range of just 2–10% (roughly 0.1–0.5 dB), where many similar-looking products on the market lose 15–35% of your power (0.7–2 dB) as heat — and a lossy transformer produces a deceptively flat SWR curve, which is exactly why we publish real insertion loss measurements for every design instead of SWR plots alone. Our MEF-330-1K-Plus averages just 0.37 dB of loss from 3–30 MHz; the MEF-130-2K-Plus averages 0.5 dB across 1.8–30 MHz; and our low-band 160m transformers — the MEF-105-5K and MEF-107 series — achieve losses as low as 0.07–0.25 dB. These numbers, verified on the bench and documented with charts on every product page, are what make MyAntennas a worldwide leader in high-power, high-ratio, wideband RF transformer design — and they are why the antennas built around them, from the EFHW-4010 to the EFHW-8010-2K-Plus, perform the way they do.
The Engineering Philosophy
Everything we sell is grounded in measurement, not marketing. When I tell you an EFHW needs no counterpoise, that a choke belongs at the cable entrance to your home, or that your SWR shift is wire stretch and not a failed transformer — that comes from decades of professional design work and tens of thousands of units in the field, and I publish the measurements to prove it. Start with our All About EFHW Antennas guide, or browse the rest of the Tech Info library.
On the Air
Stations and call signs I have operated: 4N4EXA, 4N9OLY, DL/T93M, E72NATO, E73MMM, FG/T93M, FM/T93M, HB0/T93M, KP2/N4EXA, PJ4/T93M, PJ4J, T93M/HI9, T9A, T9DX, TO3M, YU4ALM, YU4JHI, YU4EXA, YU4ETF, YZ4Z, YZ4M, ZF2XA.
Guest operator at: A61AJ, FG5BG, FM5BH, KC1YR (@AA1ON), KC1XX, K1CA, K1VR, N4TO, N4WW, W1CW (also W1YL/K4OJ).
You can find my current station, antennas, and contest activity at E73M.com and QRZ.com/N4EXA.
Questions about products or installation? Reach us anytime through the contact page — I answer the technical ones personally. And sign up for the newsletter for periodic news about new products. We won’t spam you, promise!
73,
Danny, E73M / N4EXA
