{"slug": "websdr", "name": "WebSDR", "category": "other", "category_name": "Other software", "description": "", "recommenders": 3, "commenters": 3, "warners": 0, "score": 2.744, "rising": 0.35, "first": "2026-02-06", "latest": "2026-09-22", "why": "you can use it to listen to all kinds of interesting signals", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 3, "neutral": 0, "compare": 0, "warn": 0}, "spark": [0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0], "listed": true, "loved": [], "caveat": "", "short_quote": "you can use it to listen to all kinds of interesting signals", "kind": "", "icon": false, "domain": "utwente.nl", "github_repo": null, "official_url": "http://websdr.org", "pricing": "", "aliases": ["WebSDR"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 796728496, "item_id": 49795531, "url": "https://news.ycombinator.com/item?id=49795531", "by": "bmgxyz", "date": "2026-09-22", "stance": "recommend", "quote": "try one on the web", "excerpt": "If you're curious what's allowed on the ham bands, have a listen to 7.200 MHz LSB. (If you don't have a receiver, try one on the web[0], such as this one[1].) As of writing, someone is spamming the channel with racial slurs and KKK propaganda using a soundboard. In my experience, enforcement of the rules is unheard of. [0]: http://websdr.org/ [1]: http://websdr.k3fef.com:8901/", "context": "", "use_case": "Online radio listening", "switched_from": "", "story": "HERMES radio enables voice and data communication over vast distances"}, {"id": 779167488, "item_id": 48697968, "url": "https://news.ycombinator.com/item?id=48697968", "by": "sidderl", "date": "2026-06-27", "stance": "recommend", "quote": "One can listen to the live closure broadcast via this WebSDR website", "excerpt": "http://websdr.ewi.utwente.nl:8901 One can listen to the live closure broadcast via this WebSDR website, by tuning it to AM 198 kHz. \"You are listening to 198 kHz longwave. BBC Radio 4 is no longer available on this frequency. However, you can find Radio 4 many other ways. You can find BBC Radio 4 online, via BBC Sounds. Radio 4 is available on DAB digital radio and through your digital television, including freely. R", "context": "", "use_case": "Web radio receiver", "switched_from": "", "story": "The BBC switches off its oldest service"}, {"id": 750610800, "item_id": 46913175, "url": "https://news.ycombinator.com/item?id=46913175", "by": "jacquesm", "date": "2026-02-06", "stance": "recommend", "quote": "you can use it to listen to all kinds of interesting signals", "excerpt": "I came across this while looking at all kinds of clocks and the origins of operational amplifiers. I've used these but never realized that you could use the hysteresis to make counters. I originally found this link: https://www.pa3fwm.nl/projects/sdr/ About a completely home-grown software defined radio that is on the web as well at http://websdr.ewi.utwente.nl:8901/ , you can use it to listen to all kinds of interes", "context": "", "use_case": "", "switched_from": "", "story": "Nixie-clock using neon lamps as logic elements"}]}], "caveats": [], "who": [], "tags": [], "use_cases": ["online radio listening", "web radio receiver"], "compared": [], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=49789228", "title": "HERMES radio enables voice and data communication over vast distances", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=48677564", "title": "The BBC switches off its oldest service", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=46854128", "title": "Nixie-clock using neon lamps as logic elements", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {"recommend": 1}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {"recommend": 1}, "2026-07": {}, "2026-08": {}, "2026-09": {"recommend": 1}, "2026-10": {}}, "quotes": [{"id": 796728496, "item_id": 49795531, "url": "https://news.ycombinator.com/item?id=49795531", "by": "bmgxyz", "date": "2026-09-22", "stance": "recommend", "quote": "try one on the web", "excerpt": "If you're curious what's allowed on the ham bands, have a listen to 7.200 MHz LSB. (If you don't have a receiver, try one on the web[0], such as this one[1].) As of writing, someone is spamming the channel with racial slurs and KKK propaganda using a soundboard. In my experience, enforcement of the rules is unheard of. [0]: http://websdr.org/ [1]: http://websdr.k3fef.com:8901/", "context": "", "use_case": "Online radio listening", "switched_from": "", "story": "HERMES radio enables voice and data communication over vast distances"}, {"id": 779167488, "item_id": 48697968, "url": "https://news.ycombinator.com/item?id=48697968", "by": "sidderl", "date": "2026-06-27", "stance": "recommend", "quote": "One can listen to the live closure broadcast via this WebSDR website", "excerpt": "http://websdr.ewi.utwente.nl:8901 One can listen to the live closure broadcast via this WebSDR website, by tuning it to AM 198 kHz. \"You are listening to 198 kHz longwave. BBC Radio 4 is no longer available on this frequency. However, you can find Radio 4 many other ways. You can find BBC Radio 4 online, via BBC Sounds. Radio 4 is available on DAB digital radio and through your digital television, including freely. R", "context": "", "use_case": "Web radio receiver", "switched_from": "", "story": "The BBC switches off its oldest service"}, {"id": 750610800, "item_id": 46913175, "url": "https://news.ycombinator.com/item?id=46913175", "by": "jacquesm", "date": "2026-02-06", "stance": "recommend", "quote": "you can use it to listen to all kinds of interesting signals", "excerpt": "I came across this while looking at all kinds of clocks and the origins of operational amplifiers. I've used these but never realized that you could use the hysteresis to make counters. I originally found this link: https://www.pa3fwm.nl/projects/sdr/ About a completely home-grown software defined radio that is on the web as well at http://websdr.ewi.utwente.nl:8901/ , you can use it to listen to all kinds of interes", "context": "", "use_case": "", "switched_from": "", "story": "Nixie-clock using neon lamps as logic elements"}]}