Last updated: June 2025
Summary: Use this site for lawful purposes. Content is for informational use only. We are not liable for errors. External links are not endorsements. Amateur radio operation must comply with FCC Part 97 rules — this site does not substitute for that obligation.
By accessing or using Ham Radio Field Directory ("the Site") at hamradiodirectory.pages.dev, you agree to be bound by these Terms of Use. If you do not agree, please do not use this site.
Ham Radio Field Directory is a free, independent reference resource for licensed amateur radio operators. The site provides a curated directory of amateur radio resources, informational articles, and free tools including antenna calculators and printable reference cards. The site is supported by Google AdSense advertising.
All content on this site — including directory listings, articles, calculators, and reference materials — is provided for informational purposes only. Nothing on this site constitutes professional engineering advice, legal advice, medical advice, or FCC regulatory guidance.
Antenna calculations provided by our calculator tool are theoretical estimates based on standard formulas. Real-world antenna performance varies based on installation height, nearby structures, soil conductivity, feedline losses, and other factors. Always verify antenna dimensions with a calibrated antenna analyzer before committing to a permanent installation.
Operating privileges described on this site are based on FCC Part 97 rules as understood at the time of writing. FCC rules change. Always verify current regulations through the FCC website or the current ARRL Handbook.
Ham Radio Field Directory is an independent publication. We are not affiliated with, endorsed by, sponsored by, or officially connected to the American Radio Relay League (ARRL), the FCC, FEMA, the National Weather Service, or any organization, retailer, publisher, or product listed in our directory. All trademarks referenced are the property of their respective owners.
We make reasonable efforts to ensure directory listings, article content, and reference data are accurate at the time of publication. However, we make no warranty — express or implied — regarding the accuracy, completeness, or timeliness of any information on this site. Businesses close, URLs change, prices fluctuate, and software updates. Always verify critical information directly with the source before making purchasing or operating decisions.
This site links extensively to external websites as a service to users. These links do not constitute endorsement of the linked site's content, products, services, or practices. We have no control over and assume no responsibility for the content, privacy policies, or practices of third-party sites. We encourage you to review the privacy policy of every site you visit.
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Amateur radio operation in the United States is regulated by the FCC under Part 97 of Title 47 of the Code of Federal Regulations. This site provides educational information about amateur radio — it does not authorize any transmission, grant any operating privilege, or substitute for a valid FCC amateur radio license. Unlicensed transmission on amateur radio frequencies is illegal. All operators are responsible for ensuring their own compliance with applicable FCC rules.
To the maximum extent permitted by applicable law, Ham Radio Field Directory and its operators shall not be liable for any direct, indirect, incidental, special, consequential, or punitive damages arising from your use of or inability to use this site, including but not limited to: antenna installation injuries, equipment damage, interference complaints, FCC enforcement actions, or financial losses resulting from decisions made based on information from this site.
This site is provided "as is" and "as available" without warranty of any kind, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, and non-infringement. We do not warrant that the site will be uninterrupted, error-free, or free of viruses or other harmful components.
Original content on this site — articles, descriptions, tool interfaces, and design — is protected by copyright. You may share links to our content freely. You may not reproduce substantial portions of our articles or tool outputs without written permission. Fair use applies for commentary, criticism, and educational purposes.
We reserve the right to modify these Terms of Use at any time. Changes take effect when posted. The "Last updated" date reflects the most recent revision. Continued use of the site after changes constitutes acceptance.
These Terms of Use are governed by the laws of the United States. Any disputes arising from use of this site shall be resolved in a court of competent jurisdiction in the United States.
Questions about these terms: use our contact page.