Compact, lightweight, and ready to deploy—portable HF made easy!

Designed and built in Cary, NC

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What Is SPOOLTENNA?

Designed For Portable Operators

SPOOLTENNA is a compact, lightweight antenna designed for portable amateur radio operations like Parks on the Air® (POTA) and Summits on the Air™ (SOTA). Its innovative spool form factor is intended to ensure efficient deployment, teardown, and storage, providing a frustration-free operating experience that doesn't compromise performance.

Product Details

Why SPOOLTENNA?

  • Quick to Deploy

    Crafted to streamline the setup and teardown process for portable HF operation

  • Less Tangles

    Designed to wind and unwind with ease so that you don't waste time dealing with tangled wires

  • Light & Compact

    Built for on-the-go operation, utilizing a lightweight, compact, spool form factor

For Wherever Adventure Takes You

Whether you're deep in the backcountry or setting up in your backyard, SPOOLTENNA is designed to get you on the air quickly and easily.

Unique Design

SPOOLTENNA delivers the tried-and-true performance of an end fed half wave antenna in a completely unique and easy-to-use form! Simply use a screwdriver, pen, or tent stake for fast, frustration-free deployment.

What About Performance?

  • Low Standing Wave Ratio (SWR)

    Performs with a low SWR (≤1.5) on all supported bands

  • No Antenna Tuner Required

    Arrives factory-tuned, with additional length available for end-user final tuning based on your conditions

  • Operating Power

    Designed to support 100W SSB and 50W CW & digital

As Seen On Ham Radio Crash Course

Available Prebuilt Or As A Kit

SPOOLTENNA is available prebuilt and pre-tested for those who want a quick start or as a kit for those who enjoy the hands-on building experience.

For self-build, easy-to-follow instructions are provided with each kit. The approximate build time is 2 hours.

Open Source Design

Want to design your own wire spool antenna?

True to the spirit of ham radio and its community-driven approach to innovation, SPOOLTENNA is an open source project. The design files are available for download and use according to the terms of the Creative Commons Attribution-ShareAlike 4.0 International License.

To view a copy of this license, visit:

https://creativecommons.org/licenses/by-sa/4.0/

Design files can be found at this publicly accessible GitHub repository:

https://github.com/modulo8/KO4HUI-Spooltenna