Links
Curated links
Websites and resources Karl-Martin likes.
Karl-Martin
Code
- GitHub
- Code and projects by Karl-Martin.
Sites
- VP1045 Webcam
- Cabin webcam at Dagali.
Social
Work
- Kraftlauget
- Karl-Martin's current workplace.
Computing & Software
Artificial Intelligence
Benchmarks
- Artificial Analysis
- Independent model benchmarks for intelligence, speed, context and API pricing.
- DeepSWE
- Long-horizon software-engineering benchmark and leaderboard.
Infrastructure
- vLLM
- High-throughput open-source LLM inference and serving engine.
Local Models
- Ollama
- Run and manage language models locally.
- llama.cpp
- High-performance local inference for GGUF language models.
- LM Studio
- Desktop application for downloading and running local language models.
- llama.cpp Server
- OpenAI-compatible local inference server included with llama.cpp.
- whisper.cpp
- High-performance Whisper inference in C and C++.
Models
- Hugging Face
- Models, datasets and tools for machine learning and local LLMs.
- LMArena
- Compare current language models through blind evaluations.
- OpenRouter
- Unified API and comparison layer across many hosted language models.
- NB-Whisper
- Norwegian Whisper models from the National Library AI Lab.
Tools
- Whisper
- OpenAI’s speech recognition model and reference implementation.
- faster-whisper
- A CTranslate2 implementation of Whisper.
Books
Software
- The Pragmatic Programmer
- Official page for the 20th anniversary edition.
- Design Patterns: Elements of Reusable Object-Oriented Software
- Publisher page for the Gang of Four design-patterns book.
Technical
- O'Reilly
- Technical books, learning, and reference material.
Computing
Media
- Jeff Geerling (YouTube)
- Linux, servers, Raspberry Pi, and maker projects.
- Level 2 Jeff (YouTube)
- Jeff Geerling’s second channel.
- Computerphile (YouTube)
- Computer science explained by researchers and practitioners.
- ServeTheHome (YouTube)
- Servers, networking, and enterprise hardware.
- LGR (YouTube)
- Retro computers, games, and oddware.
- LGR Blerbs (YouTube)
- Supplementary LGR videos and informal updates.
People
- Donald Knuth
- Donald Knuth’s Stanford home page and publications.
- Jeff Geerling’s website
- Jeff Geerling’s projects, articles, books, and official channel links.
Databases
- PostgreSQL
- Open-source object-relational database and official documentation.
- SQLite
- Small, self-contained SQL database engine.
Development
Editors
Media
Python
- Python
- The official Python programming language site.
- Skyfield
- High-precision astronomy library for Python.
- NumPy
- Fundamental array-computing package for Python.
- Astropy
- Community Python library for astronomy.
- SciPy
- Scientific computing tools for Python.
- SQLAlchemy
- Python SQL toolkit and object-relational mapper.
- GeoAlchemy 2
- Spatial database extensions for SQLAlchemy.
- orjson
- Fast JSON library for Python.
- pyais
- Python encoder and decoder for AIS messages.
Reference
- endoflife.date
- Product release and end-of-life data.
Security
- Diceware
- Arnold Reinhold’s original Diceware passphrase page.
Tools
- ripgrep
- Fast recursive line-oriented search tool.
Tools & Frameworks
- Astro
- Web framework used and followed in Karl-Martin's web projects.
- pnpm
- Fast and space-efficient JavaScript package manager.
- TypeScript
- TypeScript language, handbook and releases.
- uv
- Fast Python package and project manager from Astral.
- FastAPI
- Modern Python API framework.
Web
- HTTP/3 Explained
- Readable technical explanation of QUIC and HTTP/3.
- PHP
- The official PHP language site and manual.
- Can I Use
- Browser support tables for modern web platform features.
- MDN Web Docs
- Reference documentation and guides for web platform technologies.
Hardware
ChromeOS
- ChromeOS Auto Update policy
- Google’s model-by-model ChromeOS update-expiry list.
- ChromeOS Device Developer Information
- Chromium's reference table of ChromeOS device models, board names, platforms, and kernel versions for developers.
Repair
- iFixit
- Repair guides, teardowns and hardware documentation.
USB
- ChargerLAB
- USB-C chargers, cables, power-delivery testing and Power-Z news.
- USB-IF
- Official USB specifications, standards and certification information.
- USB-C (Wikipedia)
- Reference article about the USB-C connector and standard.
- USB Power Delivery (Wikipedia)
- Reference section covering USB Power Delivery.
Linux
Kernel
- Linux Kernel
- Canonical home of the Linux kernel and current releases.
News
- LWN.net
- Deep coverage of Linux kernel development and the open-source ecosystem.
System
- Z shell
- The Z shell project home page.
News
- Hacker News
- A community-driven feed of technology and startup news.
Security
People
- Schneier on Security
- Bruce Schneier’s essays, analysis, and news about security and society.
Video
- Deviant Ollam (YouTube)
- Physical security, access, and travel videos.
- LockPickingLawyer (YouTube)
- Lock mechanisms, testing, and bypass techniques.
Software
Browsers
- Google Chrome
- Google’s Chrome web browser.
- Chromium
- Open-source browser project behind Chrome.
Learning
- Anki
- Spaced-repetition flashcard software.
Technology Media
Video
- Asianometry (YouTube)
- Semiconductor, technology, and Asian industrial history.
- Technology Connections (YouTube)
- Deep explanations of everyday technology.
- Technology Connextras (YouTube)
- Technology Connections’ extra channel.
- TechTechPotato (YouTube)
- Deep reporting and interviews about processors, semiconductors, and the technology industry.
Electronics & Making
Electronics
Development
- PlatformIO
- Cross-platform embedded development environment and package ecosystem.
- Adafruit
- Electronics components, boards, and learning resources.
- SparkFun
- Electronics components, boards, and tutorials.
- KiCad
- Open-source electronics design automation suite.
ESP32
- Espressif
- ESP32 chips, modules, datasheets and development resources.
- ESP-IDF Documentation
- Official low-level SDK documentation for ESP32 development.
Manufacturing
Reading
Video
- EEVblog YouTube (YouTube)
- Dave Jones’s electronics engineering channel.
- EEVblog2 (YouTube)
- Second EEVblog channel.
- EEVdiscover (YouTube)
- EEVblog discovery and educational videos.
- BigCliveDotCom (YouTube)
- Electronics teardowns, reverse engineering, and projects.
- CuriousMarc (YouTube)
- Restoration of historic electronics and space hardware.
- IMSAI Guy (YouTube)
- Hands-on electronics and vintage-computing experiments.
- Marco Reps (YouTube)
- Electronics, measurement, and precision engineering.
- Phil’s Lab (YouTube)
- Electronics design and embedded systems.
- BigCliveLive (YouTube)
- Big Clive’s livestream and supplementary channel.
Embedded Linux
Linux
- BusyBox
- Tiny Unix userland widely used in embedded Linux and initramfs systems.
Engineering
Video
- Practical Engineering (YouTube)
- Civil engineering and infrastructure explained.
Making
Video
- Adam Savage’s Tested (YouTube)
- Making, props, tools, and behind-the-scenes craft.
- FIRST CLASS AMATEUR (YouTube)
- Practical making, knots, repairs, and experiments.
- Simone Giertz (YouTube)
- Inventing, building, and unconventional engineering.
- Laura Kampf (YouTube)
- Making, renovation, tools, and creative builds.
Reviews & Testing
Video
- Project Farm (YouTube)
- Independent comparisons of tools and products.
Shopping
Marketplaces
- eBay
- Online marketplace.
- AliExpress
- Online marketplace for electronics and other goods.
Friends
Making
- WhitespaceProps
- Thomas Smestad’s prop-making portfolio.
- Bizziton Crafts
- Tonje’s plushmaking and art portfolio.
Home, Food & Hobbies
Brewing
Beer
- Norbrygg
- Norwegian homebrewing community and resources.
- Brewfather
- Recipe design, fermentation tracking and brewing calculations.
Reference
- BJCP
- Beer style guidelines and judging references.
Tools
- BeerSmith
- Long-running brewing recipe and process-design software.
Video
- The Craft Beer Channel (YouTube)
- Films, brewing, travel, and education about craft beer.
Chess
Computing
- Chess Programming Wiki
- Deep technical reference on chess engines, search, evaluation and computer chess.
- Stockfish
- Open-source chess engine.
- Stockfish Testing
- Distributed testing for Stockfish changes.
- Lichess tablebase
- Syzygy endgame tablebase service used by Lichess.
- Sesse computer chess analysis
- Live high-performance computer chess analysis.
- Sesse tablebases
- Endgame tablebase resources hosted by Sesse.
News
- The Week in Chess
- International chess news and game collections.
Play
- Lichess
- Free and open-source online chess.
Reference
- Lichess open database
- Open downloads of Lichess games, puzzles, and evaluations.
Food
Reference
- Matvaretabellen
- Official Norwegian nutrient database for foods and ingredients.
Video
- First We Feast (YouTube)
- Food culture and interview series.
Games
Tetris
- CTWC
- Classic Tetris World Championship.
- Tetris Wiki
- Technical history, mechanics, randomizers and terminology across Tetris games.
- Classic Tetris Monthly
- Competitive NES Tetris tournaments outside the annual world championship.
Video
- Summoning Salt (YouTube)
- Documentaries about speedrunning history.
Home Automation
MQTT
- MQTT Explorer
- Graphical browser and debugging tool for MQTT brokers and topic trees.
Platforms & Software
- Home Assistant
- Open-source home automation platform.
- Zigbee2MQTT
- Vendor-neutral Zigbee bridge used in Karl-Martin's smart home.
- ESPHome
- ESP32 and ESP8266 devices integrated directly with Home Assistant.
- Eclipse Mosquitto
- Lightweight MQTT broker for IoT systems.
Tools
- HACS
- Home Assistant Community Store for custom integrations and themes.
Maps, Positioning & Tracking
GNSS
Galileo
- European GNSS Service Centre
- Galileo constellation status, services and documentation.
- Galileo HAS
- Official information about Galileo's High Accuracy Service.
- List of Galileo satellites (Wikipedia)
- Past and present Galileo spacecraft.
GPS
- GPS.gov
- Official information about the US Global Positioning System.
- List of GPS satellites (Wikipedia)
- Past and present GPS spacecraft.
Norway
- Kartverket Positioning
- Norwegian GNSS reference networks, positioning and geodesy.
Reference
- Navipedia
- ESA reference material about GNSS systems and positioning.
- List of GLONASS satellites (Wikipedia)
- Past and present GLONASS spacecraft.
- List of BeiDou satellites (Wikipedia)
- Past and present BeiDou spacecraft.
- NavIC satellites (Wikipedia)
- The NavIC constellation and its satellite list.
- QZSS satellites (Wikipedia)
- The QZSS constellation and its satellite list.
- International Earth Rotation and Reference Systems Service
- Earth orientation, reference frame, and time scale data and standards for navigation and astronomy.
Reference Stations
- EUREF Permanent Network
- European network of continuously operating high-quality GNSS reference stations.
Tools
- u-center 2
- u-blox configuration, logging and GNSS receiver evaluation software.
- RTKLIB
- Classic open-source toolkit for RTK, PPP and GNSS post-processing.
- RTKLIB on the OpenStreetMap Wiki
- OSM Wiki guide to RTKLIB's precise GNSS positioning, data collection, and post-processing workflows.
Mapping
Data
- Geofabrik Downloads
- Regional OpenStreetMap extracts for offline processing.
- Natural Earth
- Clean public-domain vector and raster data for small-scale world maps.
- GeoJSON
- The GeoJSON format home page.
Development
GIS
Infrastructure
- Switch2OSM
- Guides for building and hosting your own OpenStreetMap-based map stack.
Norway
- Norgeskart
- Official detailed maps of Norway from Kartverket.
- Geonorge
- Norway's national portal for geographical data.
- Laserinnsyn
- Kartverket’s viewer for detailed elevation and laser data.
OpenStreetMap
- OpenStreetMap
- The collaborative world map and foundation for many of Karl-Martin's mapping projects.
- Overpass Turbo
- Interactive querying and exploration of OpenStreetMap data.
- OpenStreetMap Wiki
- Technical reference for OSM tags, formats, imports, rendering and infrastructure.
- OSM Taginfo
- See how OpenStreetMap tags are actually used across the global database.
- OSM Planet
- Official full-planet OpenStreetMap database dumps and replication data.
- OSMCha
- Inspect and review OpenStreetMap changesets.
- Nominatim
- OpenStreetMap geocoding and reverse-geocoding software.
- OSM Latest Changes
- Interactive map of recent OpenStreetMap changesets, opening around Tønsberg.
Reference
- OpenStreetMap routing wiki
- OSM Wiki overview of routing software and data.
Routing
- Valhalla
- Open-source routing engine for OpenStreetMap data.
- OSRM
- High-performance OpenStreetMap routing engine.
- GraphHopper
- Open-source route-planning engine.
Tooling
- osm2pgsql
- Import and transform OpenStreetMap data into PostgreSQL/PostGIS.
- Osmium Tool
- Fast command-line processing of large OSM PBF and XML datasets.
- geojson.io
- Quick browser editor and viewer for GeoJSON.
- HeyWhat'sThat
- Panorama, horizon, and line-of-sight calculations.
Precision Time
PTP
- LinuxPTP
- PTP/IEEE 1588 implementation for Linux including ptp4l and phc2sys.
Reference
- Network Time Foundation
- Open-source network-time projects including NTP and LinuxPTP.
- NIST Internet Time Service
- Reference information about NIST's public Internet time service.
- HP GPS time and frequency receivers
- Reference for HP 58503A and Z3801A GPS-disciplined receivers.
- time-nuts archive
- Mailing-list archive for precision time and frequency enthusiasts.
Tracking
Aviation
- ADS-B Exchange
- Community-driven live aircraft tracking.
- Flightradar24
- Live commercial and general aviation tracking.
- Avinor
- Norwegian airport and flight information.
- OpenSky Network
- Open ADS-B and Mode-S network with live and historical aircraft data.
- ADSB.lol
- Open community ADS-B tracking network with detailed aircraft traces.
- FlightAware
- Flight tracking, schedules and historical flight information.
Maritime
- Kystinfo
- Norwegian coastal maps, maritime infrastructure and navigation data.
- BarentsWatch
- Norwegian maritime, coastal and ocean information services.
- Kystverket AIS
- Information and public services built around Norway's national AIS network.
- Kystdatahuset
- Search and download Norwegian vessel movements and historical AIS data.
- NAIS
- Kystverket's public real-time map of vessel traffic in Norwegian waters.
- MarineTraffic
- Worldwide AIS vessel tracking and port information.
- VesselFinder
- Alternative worldwide AIS vessel tracking service.
- Automatic Identification System (Wikipedia)
- Reference article about maritime AIS.
Music & Culture
Books
Shops
- Norli
- Norwegian bookseller.
- ARK Bokhandel
- Norwegian bookseller.
Entertainment
Video
- The Technical Difficulties (YouTube)
- Comedy and panel shows featuring Tom Scott and friends.
Film
Reference
- IMDb
- Film and television database.
- List of film noir titles (Wikipedia)
- Chronological reference list of film noir titles.
Television
- List of Columbo episodes (Wikipedia)
- Episode list for the Columbo television series.
Video
- Watch It For Days
- Creator page for long-form Columbo episode analysis.
Music
Artists
- DJ “S” website
- Official site for the soul, funk, and disco DJ and producer.
Hammond
- Hammond Organ
- Official Hammond organ site and modern tonewheel-organ products.
MIDI
- MIDI Association
- MIDI specifications, standards and technical resources.
- Web MIDI API
- Browser API reference for connecting MIDI hardware to web applications.
Reference
- Discogs
- Enormous database of releases, recordings, labels and physical music.
Scores
- IMSLP
- Large public-domain library of sheet music and scores.
- Musescore.com
- Large community catalogue of sheet music and arrangements.
Software
- MuseScore Studio
- Open-source music notation and score-writing software.
Video
- Dj S TV (YouTube)
- Soul, funk, disco, and hip-hop mixes by DJ “S”.
Networking & Infrastructure
DNS
- Unbound
- Recursive validating DNS resolver.
- DNSViz
- Visual DNS and DNSSEC diagnostics.
- Zonemaster
- Test a domain's DNS health, including DNSSEC, nameserver reachability, and address checks.
Infrastructure
- Caddy
- Modern web server and reverse proxy with automatic HTTPS.
Internet
- RIPE Atlas
- Distributed Internet measurement network.
- BGP.tools
- Fast lookup of ASNs, prefixes, routing paths and Internet topology.
- Hurricane Electric BGP Toolkit
- Detailed BGP, ASN, prefix and peering information.
- RIPEstat
- Internet-number and routing information from RIPE NCC datasets.
- Cloudflare Radar
- Internet traffic, routing, outages, protocols and security trends.
- PeeringDB
- Interconnection database for networks, IXPs and datacenters.
IPv6
- Test IPv6
- Quick test of IPv6 connectivity and configuration.
Routing
- OpenWrt
- Linux-based router operating system used on Karl-Martin's home gateway.
- MikroTik Documentation
- RouterOS, switching, VLAN and multicast documentation.
Time
- chrony
- NTP implementation used for precise Linux timekeeping.
- NTP Pool
- Global volunteer NTP service, including Karl-Martin's interest in running pool servers.
- Netnod Time
- Articles and technical information about Netnod's Swedish time and frequency services.
Tools
- Wireshark
- Protocol analyzer for everything from Ethernet and IPv6 to obscure application protocols.
VoIP
- Grandstream HT802
- Two-port analog telephone adapter product page.
VPN
- WireGuard
- Simple and modern VPN protocol.
Norway & Local
History
- Nasjonalbiblioteket
- Digitized Norwegian books, newspapers, periodicals, photographs and historical material.
- DigitaltMuseum
- Search photographs and objects from Norwegian museums and historical collections.
- Lokalhistoriewiki
- Extensive collaborative reference for Norwegian local history.
- Kartverket Historiske Kart
- Interactive access to thousands of digitized historical Norwegian maps.
- Norge i bilder
- Historical and contemporary aerial photography of Norway.
- Kulturminnesøk
- Map and database of registered Norwegian cultural heritage sites.
- Vestfoldmuseene
- Museums, collections and local history from Vestfold.
- Oseberg Vikingarv
- Tønsberg-based reconstruction and research around the Oseberg Viking ships.
National
Data
- SSB
- Statistics Norway: population, economy, geography and societal data.
- data.norge.no
- Norwegian government catalogue for open public datasets and APIs.
News
- NRK
- Norwegian public-service news, radio, and television.
- Aftenposten
- Norwegian national news, analysis, and commentary.
Open Data
- Meteorologisk institutt GitHub
- Open-source projects and data tooling from MET Norway.
Reference
- Lovdata
- Norwegian laws, regulations and legal decisions.
- Almanakk for Norge (Wikipedia)
- Reference article about the Norwegian almanac.
Outdoors
- UT.no
- Hiking routes, cabins and outdoor destinations throughout Norway.
- DNT
- The Norwegian Trekking Association.
- Oslofjordens Friluftsråd
- Outdoor recreation, coastal access and the Oslofjord.
- Varsom
- Norwegian avalanche, flood, ice and landslide warnings.
Tønsberg
- Tønsbergs Blad
- Local news from Tønsberg and Vestfold.
- Tønsberg kommune
- Municipal information and local services.
- Tønsberg og Færder bibliotek
- Local library catalogue, events and services.
Vestfold
- Vestfold fylkeskommune
- Regional information for Vestfold.
- Visit Vestfold
- Places, events and activities around Vestfold.
Radio & Wireless
Amateur Radio
- NRRL
- Norwegian Radio Relay League and Norwegian amateur-radio news.
- ARRL
- American Radio Relay League.
- RSGB
- Radio Society of Great Britain.
- QRP Labs
- Amateur-radio kits and QRP equipment.
- Sandefjordgruppen (LA3S)
- Sandefjord's local amateur radio group in the Norwegian Radio Relay League.
- Tønsberggruppen (LA1T)
- Local amateur radio group for Tønsberg and the surrounding area, with activities and repeater information.
- Hortengruppen (LA2Z)
- Horten's local amateur radio group in the Norwegian Radio Relay League.
APRS
- APRS.fi
- Live APRS station, telemetry and position map.
Aviation Radio
- LiveATC
- Internet streams of air-traffic-control radio from participating locations.
Callsigns
- QRZ
- Worldwide amateur-radio callsign database and community.
Digital
- WSJT-X
- Weak-signal software behind FT8, FT4, JT65 and related modes.
Digital Voice
- BrandMeister
- DMR network status, repeaters, hotspots and talkgroups.
DX
Logging
- Logbook of The World
- ARRL's electronic QSO confirmation and award-credit system.
Propagation
- PSK Reporter
- Real-time reception reports for FT8 and other digital modes.
- WSPRnet
- Weak Signal Propagation Reporter network.
- Reverse Beacon Network
- Worldwide automated CW and digital-mode reception reports.
- DXMaps
- Live amateur-radio propagation maps and band openings.
- Hepburn Tropo Forecast
- Tropospheric ducting forecasts for Europe.
- VOACAP
- HF propagation predictions and coverage tools.
- NCDXF International Beacon Project
- Worldwide synchronized HF beacons for checking propagation on five bands.
- Ramfjordmoen Ionogram
- Latest ionogram from the Ramfjordmoen ionosonde near Tromsø, operated by Tromsø Geophysical Observatory.
- Juliusruh Ionogram
- Latest ionogram from the Leibniz Institute of Atmospheric Physics ionosonde at Juliusruh, Germany.
- Hepburn Tropo Forecast: Northwest Europe
- Six-day tropospheric ducting forecast maps for VHF, UHF, and microwave propagation in northwest Europe.
- MMMonVHF
- European VHF amateur radio community with propagation reports, forecasts, beacons, and station data.
Reference
- RadioReference
- Large international frequency and radio-system database.
Repeaters
- RepeaterBook
- Worldwide amateur-radio repeater database.
Satellites
- AMSAT
- Amateur-radio satellites, status information and operating resources.
SDR
- RTL-SDR.com
- SDR hardware, software, projects and radio news.
- GNU Radio
- Open-source software-defined radio toolkit.
- SDR++
- Cross-platform SDR receiver software.
- Gqrx
- Open-source SDR receiver application for Linux and other platforms.
- OpenWebRX
- Browser-based multi-user SDR receiver.
- KiwiSDR
- Official KiwiSDR site, documentation, changelog and receiver resources.
- KiwiSDR Receiver Map
- Find publicly accessible KiwiSDR receivers around the world.
- WebSDR
- Directory of browser-accessible software-defined radio receivers.
Shortwave
- HFCC
- International shortwave broadcast-frequency schedules.
- Short-Wave.info
- Search shortwave broadcast stations by frequency, time and location.
Tracking
- SondeHub
- Live radiosonde tracking and telemetry.
Video
- Geerling Engineering (YouTube)
- Jeff and Joe Geerling’s radio engineering channel.
- w2aew (YouTube)
- Amateur radio and electronics tutorials.
- The European Ham Radio Show (YouTube)
- Weekly live discussions about amateur radio, antennas, and related projects.
Science & Mathematics
Mathematics
Video
- Stand-up Maths (YouTube)
- Matt Parker’s mathematics channel.
- Numberphile (YouTube)
- Videos about mathematics and numbers.
- Numberphile2 (YouTube)
- Extra footage and deeper material from Numberphile.
- 3Blue1Brown (YouTube)
- Visual mathematics by Grant Sanderson.
Science
Video
- Periodic Videos (YouTube)
- Chemistry and the periodic table.
- SmarterEveryDay (YouTube)
- Science and engineering exploration with Destin Sandlin.
- Smarter Every Day 2 (YouTube)
- Second SmarterEveryDay channel.
- Applied Science (YouTube)
- Advanced scientific experiments and instrumentation.
- Tom Scott (YouTube)
- Factual entertainment about science, language, and places.
- Tom Scott plus (YouTube)
- Tom Scott’s collaboration and challenge channel.
- Sixty Symbols (YouTube)
- Physics and astronomy videos from Brady Haran and University of Nottingham academics.
Space & Weather
Space
Astronomy
- Stellarium
- Open-source planetarium and sky simulation software.
Aurora
- Aurorasaurus
- Citizen-science aurora reports and visibility information.
- NOAA Aurora 30-Minute Forecast
- OVATION model maps forecasting aurora location and intensity about 30 to 90 minutes ahead.
Eclipses
- NASA Eclipses
- NASA eclipse science, safety and event information.
- Solar eclipse of August 2, 2027 (Wikipedia)
- Reference article for the total solar eclipse.
Ground Stations
- SatNOGS Network
- Crowdsourced global network of satellite ground stations and observations.
News
- ESA
- European Space Agency missions, science and engineering news.
Norway
- Space Norway Satellite Fleet
- THOR and ASBM satellites operated by Space Norway.
- Norwegian Space Agency
- Norwegian space programmes, satellites and space-industry news.
- Norsk meteornettverk
- Norwegian meteor network with fireball reports, camera observations, and meteorite information.
Reference
- The Astronomical Almanac
- US Naval Observatory information for the annual almanac.
Satellites
- Heavens-Above
- Satellite passes, ISS predictions and sky charts.
- CelesTrak
- Orbital elements and satellite tracking data.
- SatNOGS Database
- Community-maintained satellite and transmitter database.
- Space-Track
- Authoritative US orbital catalogue and element-set data.
- N2YO
- Satellite positions, passes and orbital information.
- List of Starlink and Starshield launches (Wikipedia)
- Launch-by-launch reference for the Starlink constellation.
- SatTrackCam Leiden
- Marco Langbroek's observations and analysis of satellites, reentries, and other space activity.
Space Weather
- NOAA Space Weather Prediction Center
- Solar activity, geomagnetic conditions and space-weather forecasts.
- SpaceWeatherLive
- Aurora, solar wind and geomagnetic activity dashboards.
- SolarHam
- Compact dashboard of solar activity and geomagnetic conditions.
- Tromsø Geophysical Observatory
- UiT observatory with geomagnetic, ionosonde, riometer, and aurora observations from northern Norway.
- TGO Geomagnetic Data
- Realtime and archived magnetograms, K-indices, and other geomagnetic measurements from TGO and partner stations.
- TGO Provisional K-indices
- The latest seven days of local geomagnetic K-indices for Tromsø and other northern stations.
- NOAA Space Weather Prediction Center
- NOAA's current solar and geomagnetic conditions, forecasts, alerts, and observations.
- NOAA Space Weather Enthusiasts Dashboard
- At-a-glance solar, solar wind, aurora, ionosphere, and solar cycle displays from NOAA.
Sun
- NASA Solar Dynamics Observatory
- Near-real-time high-resolution imagery and observations of the Sun.
- SOHO
- Solar observations including coronagraph imagery useful for CME tracking.
Video
- Scott Manley (YouTube)
- Spaceflight, astronomy, and orbital mechanics.
Weather
Data
- MET Weather API
- MET Norway's open weather APIs.
- Frost
- Historical weather observations from MET Norway.
- MET Radar API
- Radar composite data from MET Norway for custom weather visualizations.
- Utsikt fra Voksenlia
- Frequently updated webcam panorama over Oslo, Bærum, and Asker from Voksenlia.
- Været på Voksenlia
- Live readings, charts, and archives from the Voksenlia weather station in Oslo.
Forecasts
Lightning
- Blitzortung
- Community-based real-time lightning detection.
- LightningMaps.org
- Near-real-time lightning display based on the Blitzortung detector network.
- MET Lightning
- Meteorologisk institutt lightning observations.
- Blitzortung Live Lightning Map
- Live map of lightning strikes detected by the Blitzortung network.
Oslofjord
- MET Oslofjord API
- Current forecasts and ocean data for Oslofjorden and Drammensfjorden.
Satellites
- MET Polar Satellite API
- Satellite imagery from polar-orbiting meteorological spacecraft.
Transport & Mobility
Aviation
Reference
- Nasjonalt register over luftfartshindre
- Kartverket’s map and register for aviation obstacles.
Cycling
Video
- Berm Peak (YouTube)
- Mountain bikes, trail building, and repairs.
- Berm Peak Express (YouTube)
- Second Berm Peak channel for shorter projects and rides.
Drones
Regulations
- Luftfartstilsynet – Droner
- Norwegian drone regulations and operational guidance.
Transport
Video
- Not Just Bikes (YouTube)
- Urban planning, transport, and walkable cities.
- NJB Live (YouTube)
- Live and supplementary Not Just Bikes material.