LDG, ldg-rt100, antenna tuner, flagpole antenna, vertical antenna, stealth, hoa, ham radio
LDG, ldg-rt100, antenna tuner, flagpole antenna, vertical antenna, stealth, hoa, ham radio
LDG, ldg-rt100, antenna tuner, flagpole antenna, vertical antenna, stealth, hoa, ham radio
LDG, ldg-rt100, antenna tuner, flagpole antenna, vertical antenna, stealth, hoa, ham radio
LDG, ldg-rt100, antenna tuner, flagpole antenna, vertical antenna, stealth, hoa, ham radio
LDG, ldg-rt100, antenna tuner, flagpole antenna, vertical antenna, stealth, hoa, ham radio

LDG RT-100 Remote Antenna Tuner | 125W ATU for HF Verticals

Regular price
$325.00
Sale price
$325.00

The Right Tuner. At the Right Place. On Every Band.

The Greyline VDA is a wideband antenna — it radiates on everything from 160 through 6 meters from a single feedpoint. That's the whole point. But covering that range means varying impedance at the feedpoint across bands, and we need an ATU along the way to fine-tune to your favorite bands.

Remote mounting matters. A remote tuner at the feedpoint eliminates feedline loss entirely. One coax run. Clean match on every band. No drama.

Both remote and shack-based ATUs are popular with amateur and professional operators alike — and both are widely used for Real DX with Greyline Antennas. If you already have a quality shack tuner with sufficient impedance range, it will likely tune a Greyline VDA on most bands.

The LDG RT-100 is our recommended match for all DX Flagpole and DX Vertical systems at the 100W level. Weatherproof enclosure. DC powered over the coax — no separate power cable to the antenna. 2,000 memory locations that learn your operating habits. Band changes in 0.1 seconds on previously used frequencies.

Running an amplifier or sustained digital? Consider searching HRO for ATUs in your desired power range at HRO. We like ACOM, 4O3A.com, and Palstar (Made in USA).

Build the antenna. Plug in the coax. Tune up. Work the bands.

Ham Radio is fun again! Pass it on... 73, The Greyline Performance Team

Shop Antenna + ATU Bundles →  |  Remote vs. Shack Tuner — What Actually Matters →

Customer Reviews

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William Gitchel
My new DX 28 flagpole vertical antenna

The weather finally allowed me to complete the installation of my new DX-28. During the many storms, I was able to build and piece the antenna into three separate sections, preparing it for final installation once the ground dried out. After several weeks of poor weather, I was able to finish the installation which only took an hour. The machining quality and materials of this antenna is impressive. I used the LDG RT-100 ATU, ladder line to PL259 500 watt line isolator, with LMR400 coax. Within the first hour of operating, I made 15 contacts with 5-9-9 signal reports. I gave this 4 stars only because there was a few missing parts which greyline resolved quickly with a phone call.
WB8UIN