--- title: "Technologies: Test and qualification | Nexus Observatory" description: "Technologies of the Test and qualification platform, layer by layer: In situ sensors and instruments, 5G and 6G radio access networks…" url: https://observatory.global/qualification/technologies/ publisher: Nexus Observatory Inc. updated: 2026-11-07 --- [Nexus Observatory](https://observatory.global/) / [Test and qualification](https://observatory.global/qualification/) / **Technologies** # The technologies behind test and qualification. Every technology this platform builds with, layer by layer, from the open taxonomy. Marked in red: what is moving now, each traced to its source. [Plan with us](https://observatory.global/qualification/contact/deployment/) [Architecture](https://observatory.global/qualification/architecture/) Areas · **5** Technologies · **184** Industries · **4** Specification ## Take the station apart. Every part is a class we source, wire and test before the station ships. Select a part in the drawing or a row of the sheet and the other follows. Switch on Dimensions to measure it. Station assembly Select a part to read what it does. Pull the station apart to see how it fits together. [Configure a station](https://observatory.global/studio/builder/) At a glance ## In situ sensors and instruments Instruments placed in the air, water, ground and spectrum, from weather stations to seismometers, radars and cameras, with the calibration, metadata and quality control that make their readings evidence. In Test and qualification, in situ sensors and instruments covers meteorology, air quality and atmospheric composition, hydrology and water and ocean and coastal. The problem ### Tested against the specification. State on record The technologies of Test and qualification start with in situ sensors and instruments, 5G and 6G radio access networks and security, identity and trust. Lab and field testing of devices and releases, conformance runs against the protocol, interoperability events where suppliers meet on one test plan, and evidence bundles a buyer, an auditor or a regulator can check without taking our word for it. Components - Pole-mounted edge gateway node - Automatic weather station (AWS) to WMO siting practice - Particulate monitoring station and sensor node - Compact X-band weather radar / ISAC sensing node on a lattice tower top - Street small-cell pole with an air-quality node - "AI tower in a box" - Hardware security module, 1U, in an edge rack - Data hall row pair with cold-aisle containment Interfaces **Instruments**: SDI-12 · RS-485 / Modbus RTU · 4–20 mA **Radio**: Ethernet · LTE-M / NB-IoT · LoRaWAN **Time and position**: GNSS 1PPS **Security**: TPM 2.0 **Publishing**: MQTT In the story below 1. The system, part by part 2. Assembly 3. Installation 4. Deployment 5. Connections 6. Operation 7. Failure and recovery 8. Scale and federation 9. What you get Scenes · 13 Next steps [Plan a deployment](https://observatory.global/qualification/contact/deployment/) [Open the Field Deployment Studio](https://observatory.global/studio/) [See Test and qualification](https://observatory.global/qualification/) 1. Test and qualification · Technologies Tested against the specification. State on record The technologies of Test and qualification start with in situ sensors and instruments, 5G and 6G radio access networks and security, identity and trust. Lab and field testing of devices and releases, conformance runs against the protocol, interoperability events where suppliers meet on one test plan, and evidence bundles a buyer, an auditor or a regulator can check without taking our word for it. 2. Technology · In situ sensors and instruments In situ sensors and instruments Instruments placed in the air, water, ground and spectrum, from weather stations to seismometers, radars and cameras, with the calibration, metadata and quality control that make their readings evidence. In Test and qualification, in situ sensors and instruments covers meteorology, air quality and atmospheric composition, hydrology and water and ocean and coastal. 3. Technology · Security, identity and trust Security, identity and trust How every node proves what it is and what it runs, how links and keys are protected, how software is traced to its source, how personal data is minimised, and how incidents are found and handled. In Test and qualification, security, identity and trust covers device identity and attestation, PKI, secure boot and updates, zero trust and network security and 5G and wireless security. 4. Time and place When and where, on every record Every record made for Test and qualification carries its time, from a clock disciplined by satellite time or a PTP grandmaster, with the position and siting record of the station that made it. When time or position degrades, the record for Test and qualification says so, and every user downstream sees the same warning. 5. Technology · 5G and 6G radio access networks 5G and 6G radio access networks The radio access network from site to spectrum: macro, small cells, DAS and repeaters, massive MIMO, NR bands and TDD synchronisation, NR features such as RedCap, positioning and sidelink, private and shared networks, Wi-Fi coexistence, 6G and ISAC, and the planning and assurance that keep it working. 6. Trust Proved before it is trusted A node joins a network for Test and qualification only after its hardware root of trust answers an attestation challenge. Its keys stay in secure hardware, its software arrives signed and every record it makes for Test and qualification carries a signature, so anyone downstream can check where a value came from. 7. Evidence Standards an auditor can check Metadata for Test and qualification follows WIGOS and ISO 19115 practice, and observations are served through OGC SensorThings and exchanged through WIS 2.0. We keep every release, calibration and admission for Test and qualification as a signed record that an auditor can verify independently, against the standard it names. 8. Operations Every node watched, every incident closed The operations console shows every node of a network for Test and qualification with its state, its plan and its evidence. An alert arrives with its data and a runbook, acknowledging it opens a work order, and an incident for Test and qualification closes only when the operator records the cause and verifies the fix. 9. Failure and recovery When a node fails, the fleet knows first When a node for Test and qualification goes silent or a sensor drifts, the node buffers its data and fails over to a second link where the site has one. The alert carries the evidence a responder needs, and the record for Test and qualification loses nothing and counts nothing twice. 10. Updates Updates in rings, with rollback Software and configuration reach a fleet for Test and qualification in rings: one canary site first, then a few, then all, each ring gated on health and data completeness. A failed gate stops the wave, and each node for Test and qualification returns to its last good release without a site visit. 11. How it scales One base unit, repeated A network for Test and qualification starts with one base node and the instruments it reads. A station adds power and radio, a site adds a relay and a fleet repeats the proven site, so capacity for Test and qualification grows by adding units, never by replacing what works. 12. What you get Open where it can be, contracted where it must be The protocol, the methods and the open data behind Test and qualification are free to use and build on. Nexus Observatory Inc. delivers sites, fleets, managed operations and data tiers for Test and qualification under contract, priced per site and per fleet, with service levels written as numbers you can check. 13. Next step Test and qualification, planned with you Tell us which technologies of Test and qualification your sites must run and the standards your buyers hold you to. An engineer replies with a survey proposal, a design and a scope for Test and qualification, and the plan grows from one site to the network you need. [Plan a deployment](https://observatory.global/qualification/contact/deployment/) [Open the Field Deployment Studio](https://observatory.global/studio/) [See Test and qualification](https://observatory.global/qualification/) More presentations ## See it from every side. Each opens as a full-screen presentation: deeper pages on the same subject, explainers, stories, guided tours of the places, network scenes and the observatories that came before. [All presentations](https://observatory.global/presentations/) ### In depth [Use case **Utility grid-edge private LTE and wildfire weather**](https://observatory.global/use-cases/utility-grid-edge/) [Use case **Northern civil observatory**](https://observatory.global/use-cases/northern-civil/) [ISIC section · ISIC J **Information and communication**](https://observatory.global/industries/j-information-and-communication/) [Use case **Citizen seismology node**](https://observatory.global/use-cases/citizen-seismology/) ### Explainers [Explainer · Industrial **Industrial** Blast vibration at the pit, fire weather at the grid edge, methane at the fenceline and tailings movement from GNSS.](https://observatory.global/industries/infrastructure/explainer/) [Explainer · Scientific **Scientific, explained**](https://observatory.global/industries/research/explainer/) [Platform **Test and qualification** Claims are easy; evidence is rare](https://observatory.global/qualification/) [Platform **Field services** Sites fail between contractors](https://observatory.global/field-services/) ### Stories [Story · Orbit **Orbits as infrastructure** Low orbits are fast and crowded, high orbits slow and spacious. Every choice of altitude is a trade between delay, footprint and how long the satellite…](https://observatory.global/stories/orbit/) [Story · Overview **What changes by 2030** Six shifts will reshape how the Earth is observed before the decade ends: networks that sense, models that forecast, foundation models that read imagery,…](https://observatory.global/stories/horizon-2030/) [Story · Timing and PNT **Time as infrastructure** A 5G cell must hold its phase within 3 µs of its neighbours, ±1.5 µs of a common reference; a synchrophasor’s one per cent vector error leaves room for only…](https://observatory.global/stories/timing-pnt/) ### Places and networks [Guided tour · Guided 3D tour **Orbit view** Ground tracks of a sun-synchronous imager and three shells of a broadband constellation, computed from their orbits over a rotating Earth.](https://observatory.global/environments/orbit-view/) [Guided tour · Guided 3D tour **Ground station** An 11 m class antenna and its companions on a fenced pad, with edge compute that turns each pass into catalogued products before the next one.](https://observatory.global/environments/ground-station/) [Network scene · Private 5G · Mining **Private 5G in an open-pit mine** A private network for haul trucks, drills and slope radar: a mast on the rim, a cell in the pit, the core at the plant, and coverage computed over the benches themselves.](https://observatory.global/environments/networks/private5g-mine/) [Network scene · NTN · Satellite **Satellite direct to device in a mountain valley** Where the valley cell cannot reach, phones on the pass road connect straight to a low-orbit satellite, which relays through its feeder link to a gateway.](https://observatory.global/environments/networks/ntn-d2d/) ### Heritage observatories [Heritage observatory · Geostationary orbit over the Americas · 1975 **GOES** Since 1975 a succession of NOAA satellites has hovered 35,786 kilometres above the equator, watching the same hemisphere without a break.](https://observatory.global/observatories/goes-satellites/) [Heritage observatory · Austria · 1996 **CTBTO International Monitoring System** A global system of more than three hundred stations that listen for nuclear explosions in the ground, the sea, the air and as radioactive particles.](https://observatory.global/observatories/ctbto-ims/) ### Interactive tools [Interactive tool · Plan a site **Field Deployment Studio** Terrain, devices, coverage, viewshed, power and the best spot for a station, then a deployment request with the plan attached.](https://observatory.global/studio/) **01** The layered map ## Layer by layer, from the open taxonomy. Each domain this platform draws on, with its layers and the technologies in each. Open a layer for what each technology does and the standard behind it. ### In situ sensors and instruments Instruments placed in the air, water, ground and spectrum, from weather stations to seismometers, radars and cameras, with the calibration, metadata and quality control that make their readings evidence. [The full directory →](https://observatory.global/technologies/sensors/) ### [Meteorology (WMO No. 8 classes)](https://observatory.global/technologies/sensors/meteorology-wmo-no-8-classes/) Technologies · 10 - Air temperature and humidity - Atmospheric pressure - Surface wind - Precipitation - Radiation and sunshine - Visibility, cloud and present weather - Siting classification - Automatic weather stations - Cryosphere: snow, ice and permafrost - Upper-air and boundary-layer profiling ### [Air quality and atmospheric composition](https://observatory.global/technologies/sensors/air-quality-and-atmospheric-composition/) Technologies · 7 - Reference gas analysers - Particulate matter monitors - Low-cost sensor systems - Ambient air quality frameworks - Greenhouse gas and reactive gas monitoring - Aerosol optics and sun photometry - Volatile organic compounds and odour ### [Hydrology and water](https://observatory.global/technologies/sensors/hydrology-and-water/) Technologies · 7 - Water level - Discharge by velocity-area and rating curves - Acoustic Doppler current profilers (river) - Water quality sondes - Groundwater monitoring - Soil moisture and soil temperature - Hydrological data exchange ### [Ocean and coastal](https://observatory.global/technologies/sensors/ocean-and-coastal/) Technologies · 7 - CTD profilers - Acoustic Doppler current profilers (ocean) - Moored and drifting buoys - Argo-class profiling floats - Tide gauges and sea level - Gliders and uncrewed surface vehicles - Hydrophones and ocean acoustics ### [Seismic, geodetic, geomagnetic and radiation](https://observatory.global/technologies/sensors/seismic-geodetic-geomagnetic-and-radiation/) Technologies · 8 - Broadband and strong-motion seismometers - Infrasound arrays - Continuous GNSS geodetic stations - Tiltmeters, strainmeters and extensometers - Geomagnetic observatories and variometers - Ionospheric and space weather monitors - Ambient dose rate monitors - Gravimeters ### [RF, acoustics, cameras and radar](https://observatory.global/technologies/sensors/rf-acoustics-cameras-and-radar/) Technologies · 9 · Frontier · 1 - Spectrum monitoring receivers - Direction finding and emitter geolocation - Acoustic and noise monitoring - EO/IR cameras - PTZ and networked video systems - Weather radar - Ground surveillance and perimeter radar - Lightning detection - Event-based and neuromorphic cameras ### [Calibration, metadata and quality control](https://observatory.global/technologies/sensors/calibration-metadata-and-quality-control/) Technologies · 7 - Calibration laboratories and traceability - Measurement uncertainty - Field calibration and intercomparison - WIGOS metadata - Sensor and procedure descriptions - Automated quality control - Instrument lifecycle records ### [Frontier and research](https://observatory.global/technologies/sensors/frontier-and-research/) Technologies · 6 · Frontier · 6 - Quantum magnetometers and gravimeters - Distributed fibre-optic sensing - Machine-learning calibration of sensor networks - Environmental DNA autosamplers - Cosmic-ray neutron soil moisture - Smart instruments with onboard diagnostics ### 5G and 6G radio access networks The radio access network from site to spectrum: macro, small cells, DAS and repeaters, massive MIMO, NR bands and TDD synchronisation, NR features such as RedCap, positioning and sidelink, private and shared networks, Wi-Fi coexistence, 6G and ISAC, and the planning and assurance that keep it working. [The full directory →](https://observatory.global/technologies/ran/) ### [Macro, small cells, DAS and repeaters](https://observatory.global/technologies/ran/macro-small-cells-das-and-repeaters/) Technologies · 9 - Macro sites - Small cells - Distributed antenna systems - Repeaters and network-controlled repeaters - Integrated access and backhaul - Public-safety in-building coverage - Rapid-deploy and transportable cells - Site engineering and structures - RF exposure assessment ### [Massive MIMO and beamforming](https://observatory.global/technologies/ran/massive-mimo-and-beamforming/) Technologies · 7 · Frontier · 2 - Massive MIMO active antenna systems - Beam management - CSI feedback and codebooks - Multi-user and uplink MIMO - Passive and multiband antennas - Distributed and cell-free MIMO - Reconfigurable intelligent surfaces ### [NR bands, duplexing and synchronisation](https://observatory.global/technologies/ran/nr-bands-duplexing-and-synchronisation/) Technologies · 9 · Frontier · 2 - FR1 mid-band TDD (n77, n78) - FR1 low-band FDD - FR2 millimetre wave (n257, n258, n260, n261) - FR2-2 (52.6–71 GHz) - Upper 6 GHz and 7–8 GHz candidate bands - TDD frame alignment and inter-operator synchronisation - Carrier aggregation and dual connectivity - Dynamic spectrum sharing - NR in unlicensed spectrum (NR-U) ### [NR features: RedCap, positioning, sidelink and verticals](https://observatory.global/technologies/ran/nr-features-redcap-positioning-sidelink-and-verticals/) Technologies · 9 · Frontier · 1 - RedCap and enhanced RedCap - NR positioning - Sidelink (PC5) - Sidelink positioning and ranging - URLLC and industrial IoT - NR multicast and broadcast - Support for aerial devices - Mission-critical services - Ambient IoT ### [Private networks and RAN sharing](https://observatory.global/technologies/ran/private-networks-and-ran-sharing/) Technologies · 7 - Standalone non-public networks (SNPN) - Public network integrated NPN (PNI-NPN) - Neutral host networks - RAN sharing (MORAN and MOCN) - Industrial 5G LAN and TSN integration - Shared and local spectrum for private networks - Private network onboarding and identity ### [Wi-Fi coexistence and convergence](https://observatory.global/technologies/ran/wi-fi-coexistence-and-convergence/) Technologies · 8 · Frontier · 2 - Wi-Fi 6E (IEEE 802.11ax in 6 GHz) - Wi-Fi 7 (IEEE 802.11be) - Automated frequency coordination - NR-U and Wi-Fi coexistence - Wi-Fi integration with the 5G core - Multi-access traffic steering (ATSSS) - Wi-Fi sensing - Ultra-high reliability Wi-Fi (Wi-Fi 8) ### [6G and integrated sensing and communication](https://observatory.global/technologies/ran/6g-and-integrated-sensing-and-communication/) Technologies · 7 · Frontier · 7 - IMT-2030 framework - 3GPP 6G studies - Integrated sensing and communication (ISAC) - AI-native air interface - Sub-terahertz links - Ubiquitous terrestrial and non-terrestrial coverage - Energy-efficient and sustainable 6G ### [RAN planning, optimisation and assurance](https://observatory.global/technologies/ran/ran-planning-optimisation-and-assurance/) Technologies · 6 - Radio planning and propagation modelling - Drive testing and minimisation of drive tests - Self-organising networks - Performance measurement and KPIs - Base station and device conformance testing - Licence conditions and coverage reporting ### Security, identity and trust How every node proves what it is and what it runs, how links and keys are protected, how software is traced to its source, how personal data is minimised, and how incidents are found and handled. [The full directory →](https://observatory.global/technologies/security/) ### [Device identity and attestation](https://observatory.global/technologies/security/device-identity-and-attestation/) Technologies · 8 · Frontier · 1 - Trusted Platform Module - DICE layered identity - Secure device identifiers - Remote attestation architecture - Entity Attestation Tokens - Secure elements - Physically unclonable functions - Zero-touch secure onboarding ### [PKI, secure boot and updates](https://observatory.global/technologies/security/pki-secure-boot-and-updates/) Technologies · 7 - Certificate profiles - Automated certificate enrolment - Revocation and status checking - Secure and measured boot - Firmware update security - Software update frameworks - Signed orchestration plans ### [Zero trust and network security](https://observatory.global/technologies/security/zero-trust-and-network-security/) Technologies · 7 - Zero trust architecture - Workload identity - Port-based access and link encryption - Transport security - IPsec and site tunnels - Zones, conduits and segmentation - GNSS interference and spoofing resilience ### [5G and wireless security](https://observatory.global/technologies/security/5g-and-wireless-security/) Technologies · 6 - 5G system security - Network product security assurance - Open RAN security - 5G security reference practice - LPWAN security - RF jamming and rogue emitter detection ### [OT security and software supply chain](https://observatory.global/technologies/security/ot-security-and-software-supply-chain/) Technologies · 9 - Industrial security programmes - System and component security levels - Secure development lifecycle - OT security guidance and threat models - Software bills of materials - Build provenance and supply-chain levels - Vulnerability exploitability exchange - Hardware supply chain integrity - Product cybersecurity regulation ### [Privacy and data protection](https://observatory.global/technologies/security/privacy-and-data-protection/) Technologies · 7 - Canadian privacy law - International privacy law - Privacy information management - Privacy by design - Privacy impact assessment - Camera and audio minimisation - De-identification ### [Keys, cryptography and post-quantum migration](https://observatory.global/technologies/security/keys-cryptography-and-post-quantum-migration/) Technologies · 9 · Frontier · 5 - Key management lifecycle - Hardware security modules - Key management interfaces - Random number generation - ML-KEM key encapsulation - ML-DSA and SLH-DSA signatures - Stateful hash-based signatures - Hybrid key exchange - Crypto inventory and migration planning ### [Monitoring, incident response and governance](https://observatory.global/technologies/security/monitoring-incident-response-and-governance/) Technologies · 8 - Incident response - Security monitoring and logging - Coordinated vulnerability disclosure - CSIRT services - Digital evidence handling - Information security management - Government security control profiles - Product security evaluation **02** Across the network ## The whole spectrum, on the main site. [Main site Every technology domain All domains, layers and items, with their sources. Open →](https://observatory.global/technologies/) [Main site The spectrum The technologies of observation on one map. Open →](https://observatory.global/spectrum/) [Observatory Protocol Standards The open standards the protocol is composed from. Open →](https://observatory.global/protocol/standards/) **03** On this site ## Where to go next. [Test and qualification Areas Every area, with its systems and standards. Open →](https://observatory.global/qualification/areas/) [Test and qualification Architecture Layers, functions and evidence. Open →](https://observatory.global/qualification/architecture/) [Test and qualification Industries The industry sites built on this platform. Open →](https://observatory.global/qualification/industries/) [Test and qualification Resources Explainer, stories, specification and forms. Open →](https://observatory.global/qualification/resources/) ## Bring us the site. We bring the survey, the design and the crew. The form names who receives your details. [Plan a deployment](https://observatory.global/qualification/contact/deployment/) [Contact](https://observatory.global/qualification/contact/) [Nexus Observatory](https://observatory.global/) **Test and qualification** . Tested against the specification. State on record. [Talk to us](https://observatory.global/contact/) Test and qualification - [Overview](https://observatory.global/qualification/) - [Areas](https://observatory.global/qualification/areas/) - [Technologies](https://observatory.global/qualification/technologies/) - [Architecture](https://observatory.global/qualification/architecture/) - [Industries](https://observatory.global/qualification/industries/) - [Resources](https://observatory.global/qualification/resources/) - [Contact](https://observatory.global/qualification/contact/) Platforms - [Protocol & Grid](https://observatory.global/grid-services/) - [Software](https://observatory.global/software/) - [Hardware & power](https://observatory.global/hardware/) - [Sensors & instruments](https://observatory.global/sensors/) - [Connectivity](https://observatory.global/connectivity/) - [Edge compute & AI](https://observatory.global/edge-ai/) - [Earth observation & GeoAI](https://observatory.global/earth-observation/) - [Space and satellite systems](https://observatory.global/space/) - 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