#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