#ionosphere

Recent public posts tagged with this approved topic.

• The wonderful study of propagation - Gwyn Griffiths, G3ZID
• Your Ham Radio Is a Scientific Instrument! | Gwyn Griffiths G3ZIL
• 🔥 NEW DX TO THE AZORES 🇺🇸 🇵🇹 W4KWS Works CU2YK ANA on 17M | Icom IC 7300
• 🔥 NEW DX TO SPAIN! 🇺🇸🇪🇸 W4KWS → EC5K on 20M | Icom IC-7300 + Mercury IIIS
• Global Ionospheric Maps
• A Taste of the Ionosphere!
• HAARP to Conduct Research Campaign Supporting PARS Summer School
• Take part in solar eclipse experiments with the RSGB Propagation Studies Committee
• Attaching SandCastle to the CesiumJS MCP
• Understanding Super Regeneration (Good luck!)
• HamSCI Ray Tracing Working Group
• What Is the Best HF Antenna for POTA and Portable Ops? (The Candid Truth)
• HamSCI at 2026 NSF CEDAR Workshop
• More jamming on shortwave
• More 250 year celebrations and WHFM
• An Atlas of HamSCI’s PSWS Doppler Spectrograms
• Station setup for 2026
• Signals Without Borders
• Ionosphere Layers and Radio Communication
• Jewels, soul and the weather channel
• Indie is the WORD
• DD5LP/P – April 30th 2026 – Activation in Schongau of DE-0641, DE-0791, DE-0858 & DE-1058 4-fer POTA
• We love shortwave, DRM transmissions and Vermont
• Shortwave with a bit of Soul
• Vanguard 1: First Solar Satellite's Amazing Orbit! #shorts
• Three Papers Published by HamSCI Community Authors
• Mastering HF Radio: Understanding Band Conditions Explained #shorts
• Frequency Measurement Tests in Europe - Feb 2026
• Hop on the train to the 45th Parallel
• Hop on the bus to the 45th Parallel
• Comparing the Internal vs External Wire Carbon Fiber Mast Vertical Antennas
• More N6QW Radios
• Finally someone has an accurate definition of a ham radio operator!
• Utah Fades: A TouCans Lab Book Entry
• 10K Mile Radio Contact: Ionosphere Magic ✨ #WomenInRadio #AmateurRadio #Ionosphere
• Amateur Radio Newsline Report 2512 for Friday, December 19th, 2025
• Great Propagation from Cibola National Forest Near Albuquerque
• Even the ionosphere has tinsel on it
• Pirate ships return to the shortwaves
• Grote Reber -- W9GFZ -- Radio Astonomy Pioneer, Homebrew Hero
• 10m QRSS Challenge: - K4BYN & KQ9RSS in the USA - 1st December 2025
• Digital Amateur TV experiment between Belgium and Greece on the 29 MHz band - Nov 2025
• Notice: Upcoming HAARP ionospheric tests from Alaska - 17th to 22nd Nov 2025
• HAARP Campaign Focuses on HF and VLF Propagation
• How Aurora Affects HF SSB Signals #hamradio #hf #propagation #ionosphere #aurora
• HamSCI at HamCon Colorado 2025
• Dial S for Shortwave
• 1950's Retro CW Transmitter from the hands of N6QW
• Modeling HF Propagation Around Skyscrapers: Interactive Cesium Maps, F2 Bounces, and Propagation Wedges from One Maritime Plaza
• It's still magical to me!
• How Many Files Can You Add to a GPT Project? An Interview with GPT-5 on Limits, Context Engineering Tips, and Chats
• DXing distant SolarEdge PV optimizer modules (or long-distance propagation of PV system QRM)
• There's One Line I Don't Mind Waiting In. "THE GRAY-LINE or GREY-LINE"
• Ireland's first cubesat EIRSAT-1 comes to end of life...
• KO6BTY’s Late-Night Find: New GOES Proton & Electron Data Meets GPT-5 Charts
• Exploring NOAA’s Hidden Gems: New to Me Ionosphere & Aurora Forecast Tools for Ham Radio
• Presidio POTA (US-7889) inside Golden Gate NRA (US-0647) — QRP CW, transit, and a surprise eyeball QSO
• Ham Radio HF Propagation During a Hurricane
• Return of F2 layer propagation to the 28 MHz band - Aug 2025
• Do hurricanes have an affect on the Ionosphere and HF radio?
• The 40m Problem - Dipole vs Vertical - The Truth
• D-Layer Absorption [more info in description] #hamradio #propagation #drap #ionosphere #absorption
• Notice: Upcoming HAARP ionospheric tests from Alaska - 23rd & 24th July 2025
• The Red-Shifted Neutral Hydrogen Signal from the Cosmic Dark Ages is in the Range of our Direct Conversion Receiver
• How HF Propagation Gets Lost On Ocean waves
• More rotations (per minute) around the earth
• Two Good Ham Radio-ish Academic Journal Articles
• 3000km+ opening on 144 MHz in Europe - 28th May 2025
• Statically Served Ionosphere hmF2 FoF2 Maps Using ChatGPT and GloTEC
• HamSCI Field trip to Jenny Jump NJ
• Are we into the Gnevyshev gap?
• A brief introduction to the HamSCI community
• Solar Cycle 25, QSL
• Playing Games On-Air
• POTA Camping at Angel Island State Park US-1123
• World Health Organization criticises ham radio for contributing to global warming
• Fascinating talk on the Shepparton International High Frequency Transmitting Station
• Echos from the past, 150 ms ago
• Monday Overdrive for March 10th, 2025
• Mapping the Ionosphere: Hamie and Hamilton’s GloTEC-Powered F2 Layer App
• GloTEC Ionosphere Data
• The Mystery of Long Duration RF Echo - Please Listen
• Videos: Dick Norton N6AA on the ARRL, KL7AJ on the ionosphere, new HT has 10 m SSB capability
• G3B05
• January 24, 2025. We are Safe and Power Back On!
• Notice: Upcoming HAARP ionospheric tests from Alaska - 27th to 31st Jan 2025
• "The Magic That Only Comes from a Radio you Built Yourself" -- The Many Benefits of True Homebrew
• HamSCI Workshop 2025 Abstract Submission Open
• The K7RA Solar Update
• My Receiver Doesn't Work Right! What Should I Do?
• The K7RA Solar Update
• HamSCI @ AGU 2024
• via Hackaday: Crowdsourcing Ionosphere Data with Phones
• Reception report of Dutch FM radio station in Finland...
• Gareth Perry KD2SAK Discusses VLF Measurement of The Ionosphere As Part of the HamSCI Lect
• Digging Through NetCDF4 Data Using Google Gemini AI
• 17,000km+ opening on the 50 MHz band from the UK to Sydney, Australia - 27th Oct 2024
• Gwyn Griffith G3ZIL Discusses Measurement of The Ionosphere During the 8 April 2024 Solar Eclipse
• HamSCI Program Gets Boost from $1.8 Million NSF Grant
• Sleeping in thanks to the ionosphere