Signal Generators
CW, pulsed, and vector signal generators across DC to 50+ GHz. Amplitude, frequency, and modulation characterization with full uncertainty statements.
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ISO 17025NIST Traceable24–72h Turnaround
RF & Microwave Calibration Services — Fast, Traceable, Audit-Ready
Orbital Metrology provides professional RF microwave calibration services for signal generators, spectrum analyzers, power meters, network analyzers, and the full RF signal chain. Based in Greater Seattle, we serve aerospace, defense, medical device, and electronics manufacturers with 24–72 hour turnaround—when the industry standard is 8–14 days.
Understanding the discipline
What Is RF & Microwave Calibration?
RF and microwave calibration is the process of verifying and documenting the performance of radio-frequency and microwave test instruments against traceable reference standards. Unlike DC or low-frequency electrical calibration, RF calibration involves complex parameters—frequency accuracy, amplitude flatness, return loss, modulation fidelity, and spurious response—that require specialized fixtures, adapters, and environment-controlled measurement techniques.
Every measurement an RF instrument makes is only as good as its last calibration. A signal generator with a ±1.5 dB amplitude error, an analyzer with degraded input return loss, or a power sensor exposed to thermal shock can silently corrupt test data across an entire production run. Calibration quantifies those errors, applies corrections, and documents the measurement uncertainty so engineers can trust the data their instruments produce.
For regulated industries—aerospace and defense under AS9100, medical devices under ISO 13485, and electronics under IATF 16949—calibration is not optional. It is a fundamental quality system requirement. Missing or expired calibration status on a single RF instrument can halt production, trigger audit findings, or invalidate test reports.
Calibration scope
RF & Microwave Instruments We Calibrate
Orbital Metrology calibrates the complete RF and microwave signal chain—from signal generation through measurement and analysis. Each instrument receives a full-parameter calibration with NIST-traceable reference standards and documented uncertainty.
Spectrum Analyzers
Scalar and vector spectrum analyzers, signal analyzers, and EMI receivers. Frequency response, amplitude linearity, and RBW/VBW verification.
Power Meters & Sensors
RF and microwave power meters, thermistor mounts, diode sensors, and peak power analyzers. Calibration across the full dynamic range with traceable power standards.
Attenuators
Fixed and variable attenuators, step attenuators, and rotary vane attenuators. Insertion loss and return loss measurement at specified frequencies.
Frequency Counters
Microwave frequency counters and time-interval analyzers. Frequency accuracy, timebase aging, and resolution verification against GPS-referenced standards.
Network Analyzers
Vector network analyzers (VNAs) and automatic network analyzers. S-parameter verification, directivity, source match, and tracking performance across full instrument bandwidth.
Additional instruments: In addition to the categories above, Orbital calibrates RF adapters and cables, directional couplers, hybrid couplers, combiners and dividers, filters, waveguide components, oscilloscopes with RF bandwidth, and modulation analyzers. If your instrument operates in the RF or microwave domain, contact us to confirm coverage.
Industry context
Why RF Calibration Matters for Your Industry
RF instruments sit at the heart of the test architecture for every industry that designs, manufactures, or validates wireless, radar, or high-frequency electronic systems. Calibration failure does not just affect one measurement—it affects every product that measurement touched.
Aerospace and defense requirements
Flight-critical avionics, radar systems, electronic warfare equipment, and satellite communication subsystems all depend on RF instruments producing accurate, traceable measurements. Defense primes and Tier 1 suppliers require calibration certificates with full uncertainty budgets and clear traceability chains before instruments can return to production floors. With Boeing's 737 production ramp in Renton and new Everett line, RF calibration demand from aerospace suppliers is accelerating. Orbital Metrology delivers audit-ready documentation that satisfies DCMA, prime contractor, and program-level quality requirements without additional follow-up.
Medical device and life sciences
RF energy sources used in electrosurgical devices, MRI systems, and wireless medical telemetry must operate within validated parameters. FDA 21 CFR Part 820 and ISO 13485 quality systems require documented calibration traceable to national standards. Calibration gaps or incomplete certificates create CAPA risk and can stall product release. Orbital's documentation package is designed to plug directly into regulated medical device quality systems.
Electronics and semiconductor manufacturing
High-speed digital, RF front-end module, and power amplifier production lines depend on signal generators, spectrum analyzers, and network analyzers that stay within tolerance. When an RF instrument drifts out of specification, every unit it tested since the last calibration becomes suspect. Fast, accurate calibration means fewer quarantined lots and tighter process control across wafer sort, final test, and system validation.
Technology and telecom infrastructure
5G base stations, Wi-Fi access points, IoT gateways, and fiber-optic test equipment all require calibrated RF sources and measurement receivers. Equipment manufacturers and field service organizations in the Pacific Northwest need a local calibration partner that can turn instruments around in days—not weeks—so engineering and deployment schedules stay on track.
Accreditation & traceability
NIST Traceability and ISO/IEC 17025
Every RF calibration Orbital Metrology performs is traceable to the National Institute of Standards and Technology (NIST) through an unbroken chain of comparisons. Traceability is not a line on a certificate—it is the structural foundation that makes your measurement data defensible in an audit, valid in a test report, and meaningful in a quality system.
Orbital operates under ISO/IEC 17025, the international standard for calibration and testing laboratory competence. This accreditation covers the laboratory's quality management system, technical competence, calibration methods, measurement uncertainty analysis, and staff qualification. It is the standard that aerospace primes, defense agencies, medical device regulators, and automotive OEMs recognize when evaluating calibration suppliers.
ISO/IEC 17025 accredited
Calibration performed under a quality system that meets the international standard for laboratory competence, covering methods, uncertainty, and staff qualifications.
Full uncertainty budgets
Every calibration certificate includes a documented measurement uncertainty statement with contributing factors and expanded uncertainty at 95% confidence.
Unbroken NIST traceability
Reference standards trace to NIST through documented calibration chains. Traceability statements appear on every certificate with reference standard identification.
The Orbital difference
24–72 Hour Turnaround vs. the 8–14 Day Standard
The RF calibration industry runs on timelines built for a different era. National labs and large commercial providers quote 8–14 business days for standard RF calibration—sometimes longer for complex multi-parameter work or when adapters are backordered. For manufacturers running continuous production, those timelines mean instruments sitting idle on a shelf while the line waits.
Orbital Metrology was structured around a different premise: that a calibration lab in Seattle can serve Pacific Northwest manufacturers with the speed their production schedules demand. Our target turnaround for standard RF calibration is 24 to 72 hours from receipt to certificate delivery. That is not an expedite surcharge—it is the standard service level.
We achieve this through focused bench capacity, pre-staged reference standards, local pickup and delivery in the Greater Seattle area, and a workflow built around instrument flow rather than batch processing. When your spectrum analyzer or signal generator arrives, it moves to a bench—not to a queue.
Turnaround comparison
Industry standard8–14 business days
Orbital standard24–72 hours
Local pickup and delivery
Orbital provides pickup and delivery within the Greater Seattle metro area, eliminating shipping delays that add 2–4 days to every calibration cycle. Instruments leave your dock and return with certificates—no packing, no carrier tracking, no waiting.
Certificates delivered digitally
Calibration certificates are delivered electronically in PDF format with full measurement data, uncertainty statements, traceability chains, and instrument condition notes. Ready to upload to your QMS, CMMS, or asset management system the same day.
Request an RF calibration quote
Send the instrument list. Get the calibration route.
Whether you need a single spectrum analyzer calibrated or a full bench of RF instruments serviced on a recurring schedule, Orbital Metrology will map the route, confirm the turnaround, and deliver audit-ready documentation. Email your instrument list or request a quote to get started.
Service area
Greater Seattle / 20-mile pickup route
Standard turnaround
24–72 hours for RF calibration