Antenna Gain Measurement: Three-Antenna & Comparison

Validate antenna performance with precise gain measurements from Micro-Ant’s advanced RF test facility. Our engineers use three-antenna and comparison methods to characterize gain, patterns, polarization, and efficiency across 750 MHz to 40 GHz. Supported by spherical and planar near-field chambers, our testing gives aerospace, satellite, maritime, and defense programs dependable data for design decisions, qualification, and customer documentation.

Engineer conducting antenna gain measurement

Our Antenna Gain Measurement Services

Precise gain characterization and RF performance data for demanding antenna programs.

Three-Antenna Testing

Measure absolute antenna gain by testing three antennas in paired configurations. This established method supports reliable gain calculations when calibrated reference antennas are unavailable or a direct independent measurement is required.

Comparison Gain Testing

Compare a device under test against a known reference antenna under controlled conditions. Engineers determine relative gain efficiently while documenting frequency-specific results, polarization behavior, and relevant test configuration details.

Near-Field Characterization

Use spherical and planar near-field systems to capture antenna patterns and transform data for far-field performance evaluation. Testing supports passive antennas, arrays, reflectors, radomes, feeds, and complex RF components.

Controlled RF Validation

Turn Measured Gain Into Confident Decisions

Micro-Ant provides disciplined antenna gain measurement for programs where performance cannot be assumed. Our Jacksonville facility combines spherical and planar near-field chambers with experienced RF engineers to evaluate antennas from 750 MHz to 40 GHz. Whether your program needs an absolute three-antenna result or a reference-based comparison, we document the setup, results, and key performance characteristics needed to guide design refinement, qualification, or certification planning.

Antenna under test in RF chamber
The Micro-Ant Difference

Why Choose Micro-Ant?

Experienced engineering and controlled testing for dependable antenna performance data.

Broadband Capability

Near-field chambers support detailed antenna characterization from 750 MHz through 40 GHz.

Certified Quality

AS9100:2016 and ISO 9001:2015 systems support consistent, traceable testing practices.

Integrated Expertise

Scientists unite antenna engineering, testing, manufacturing, and reporting within one Jacksonville operation.

Program Confidence

Jacksonville-based testing helps reduce travel time and costs for U.S. antenna programs.

Meet the Micro-Ant Team

Scientists and client specialists supporting complex antenna programs.

Portrait of Charles McCarrick, President, Founder, and Chief Scientist of Micro-Ant

Charles McCarrick

President and Founder & Chief Scientist

Charles McCarrick is the President, Founder, and Chief Scientist of Micro-Ant LLC, headquartered in Jacksonville, Florida. With over two decades of leadership in antenna design and manufacturing, Charles has built Micro-Ant into a world-class engineering firm serving defense, aviation, maritime, and land applications globally. As a certified expert in Antenna Theory, he has personally trained and certified employees, fostering a team of scientists who have mastered the art of antenna engineering. Under his vision, Micro-Ant has developed more than a thousand bespoke antenna products, earned prestigious awards including the 2022 Innovation of the Year and SatCom Technology of the Year honors, and achieved AS9100:2016 and ISO 9001:2015 certifications. Charles remains committed to driving innovation and excellence that makes a meaningful difference in people's lives worldwide.

Portrait of Dasha Tyshlek, Director of Business Development at Micro-Ant

Dasha Tyshlek

Director of Business Development

Dasha Tyshlek serves as Director of Business Development at Micro-Ant LLC in Jacksonville, Florida. In her role, she drives the company's strategic growth initiatives, representing Micro-Ant at high-profile industry events and media appearances to amplify the brand's presence across the defense, satellite communications, aviation, and maritime sectors. Dasha plays a key role in building and nurturing relationships with major clients and partners, including leading organizations in government, telecom, and aerospace. Her work supports Micro-Ant's ambitious growth objectives, including a projected 40 percent revenue increase, as the company continues to expand its footprint as a recognized leader in bespoke antenna design and manufacturing. Dasha is dedicated to connecting Micro-Ant's world-class engineering capabilities with the clients and communities that need them most.

Portrait of Karl Hawes, Business Development Specialist at Micro-Ant

Karl Hawes

Business Development Specialist

Karl Hawes is a Business Development Specialist at Micro-Ant LLC, bringing nearly two decades of hands-on experience in developing, launching, and commercializing complex engineered products. Based in Jacksonville, Florida, Karl supports Micro-Ant's business development efforts across key markets including defense, aerospace, satellite communications, and government sectors. His deep background in bringing sophisticated technical products to market makes him an invaluable asset in communicating Micro-Ant's proprietary antenna technologies — from Ultra-Wide Band Ka systems to high-precision GNSS designs — to prospective clients. Karl is committed to connecting customers with the right bespoke antenna solutions and ensuring that Micro-Ant's world-class manufacturing capabilities reach the organizations that depend on reliable, high-performance connectivity.

Portrait of Tony Felice, Contact Representative at Micro-Ant

Tony Felice

Contact Representative

Tony Felice serves as a Contact Representative at Micro-Ant LLC in Jacksonville, Florida. In this client-facing role, Tony is a key point of contact for customers seeking information about Micro-Ant's industry-leading bespoke antenna solutions for government, aviation, maritime, and land applications. He is dedicated to delivering an outstanding customer experience — a hallmark of Micro-Ant's service philosophy — ensuring that every inquiry is handled with professionalism and care. Tony supports clients across a wide range of industries, including defense, satellite communications, telecom, and aerospace, helping connect them with the right antenna products and engineering expertise. His commitment to responsiveness and clear communication reflects Micro-Ant's broader mission of quality and excellence in every customer interaction.

Portrait of Ashlee Singleton, Contact Representative at Micro-Ant

Ashlee Singleton

Contact Representative

Ashlee Singleton is a Contact Representative at Micro-Ant LLC, based at the company's headquarters in Jacksonville, Florida. As a primary point of contact for clients and partners, Ashlee plays an essential role in supporting the outstanding customer experience that Micro-Ant is known for across the defense, aviation, maritime, and satellite communications industries. She assists customers in navigating inquiries related to Micro-Ant's full portfolio of bespoke antenna products and engineering services, ensuring seamless communication between clients and the company's world-class technical team. Ashlee's dedication to professionalism and attentive service reflects Micro-Ant's commitment to quality and longevity — values that have guided the company's growth and reputation over more than two decades in the industry.

Frequently Asked Questions

What is a good gain for an antenna?

A good gain depends on the application, frequency, coverage requirement, antenna size, and installation environment. Low-gain antennas are often preferred for broad-area coverage or mobile platforms, while higher-gain antennas concentrate energy for longer links. The most useful target is the gain that meets link-budget and pattern requirements without creating unacceptable coverage gaps, sidelobes, or pointing sensitivity.

Is antenna gain measured in dB or dBi?

What is considered a high gain antenna?

What is the three-antenna method for gain measurement?

How does comparison gain measurement work?

What antenna types can Micro-Ant test for gain?

What information is included in an antenna gain test report?

How long should I plan for antenna gain testing?

Need Guidance on Gain Testing?

Speak with our RF team about your antenna and measurement objectives.

Recognized Innovation

Awards and Recognition

SatCom Technology of the Year award

SatCom Technology of the Year

Most Innovative category award, 2022

Innovation of the Year award

Innovation of the Year

Ultra-Wide Band Ka system, 2022

AS9100:2016 certification mark

AS9100:2016 Certification

Aerospace quality management system

Put Your Antenna Performance to the Test

Share your frequency range, antenna type, and measurement objectives. Our team will help define a focused testing scope and provide next steps.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 904-683-8394.