ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069", "type": "Note", "summary": null, "inReplyTo": null, "published": "2024-12-12T00:44:12Z", "url": "https://mastodon.radio/@LondonShortwave/113637081254035069", "attributedTo": "https://mastodon.radio/users/LondonShortwave", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.radio/users/LondonShortwave/followers" ], "sensitive": false, "atomUri": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069", "inReplyToAtomUri": null, "conversation": "tag:mastodon.radio,2024-12-12:objectId=50294146:objectType=Conversation", "content": "<p>The PiZero 2W spectrum recorder runs for 7 hours on two 18650s &amp; a step-down 5V converter (which doesn’t seem to add measurable noise on HF). And of course the batteries are hot-swappable as the unit has its own small UPS battery. The only limitation is the amount of free space on the MicroSD card 📡<a href=\"https://mastodon.radio/tags/PortableSDR\" class=\"mention hashtag\" rel=\"tag\">#<span>PortableSDR</span></a> <a href=\"https://mastodon.radio/tags/SDR\" class=\"mention hashtag\" rel=\"tag\">#<span>SDR</span></a> <a href=\"https://mastodon.radio/tags/HF\" class=\"mention hashtag\" rel=\"tag\">#<span>HF</span></a> <a href=\"https://mastodon.radio/tags/Shortwave\" class=\"mention hashtag\" rel=\"tag\">#<span>Shortwave</span></a> <a href=\"https://mastodon.radio/tags/SpectrumCapture\" class=\"mention hashtag\" rel=\"tag\">#<span>SpectrumCapture</span></a> <a href=\"https://mastodon.radio/tags/SpectrumRecording\" class=\"mention hashtag\" rel=\"tag\">#<span>SpectrumRecording</span></a> <a href=\"https://mastodon.radio/tags/AirSpy\" class=\"mention hashtag\" rel=\"tag\">#<span>AirSpy</span></a></p>", "contentMap": { "en": "<p>The PiZero 2W spectrum recorder runs for 7 hours on two 18650s &amp; a step-down 5V converter (which doesn’t seem to add measurable noise on HF). And of course the batteries are hot-swappable as the unit has its own small UPS battery. The only limitation is the amount of free space on the MicroSD card 📡<a href=\"https://mastodon.radio/tags/PortableSDR\" class=\"mention hashtag\" rel=\"tag\">#<span>PortableSDR</span></a> <a href=\"https://mastodon.radio/tags/SDR\" class=\"mention hashtag\" rel=\"tag\">#<span>SDR</span></a> <a href=\"https://mastodon.radio/tags/HF\" class=\"mention hashtag\" rel=\"tag\">#<span>HF</span></a> <a href=\"https://mastodon.radio/tags/Shortwave\" class=\"mention hashtag\" rel=\"tag\">#<span>Shortwave</span></a> <a href=\"https://mastodon.radio/tags/SpectrumCapture\" class=\"mention hashtag\" rel=\"tag\">#<span>SpectrumCapture</span></a> <a href=\"https://mastodon.radio/tags/SpectrumRecording\" class=\"mention hashtag\" rel=\"tag\">#<span>SpectrumRecording</span></a> <a href=\"https://mastodon.radio/tags/AirSpy\" class=\"mention hashtag\" rel=\"tag\">#<span>AirSpy</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://mastodon.radio/system/media_attachments/files/113/637/072/292/900/581/original/7ed7e05cb92b1711.jpg", "name": "This image shows my portable spectrum capture recorder based on a Pi Zero 2W that I have mentioned in my previous posts. It is connected to an AirSpy HF+ Discovery, which is in turn connected to a 2x6m dipole mounted over a big tree. It is externally powered by two 18650 LiIon batteries and a 5V step down converter.", "blurhash": "U497Oprf9F?AEmotV@N3NMa]s*N2~9N2Nd%E", "focalPoint": [ 0, 0 ], "width": 1280, "height": 960 } ], "tag": [ { "type": "Hashtag", "href": "https://mastodon.radio/tags/airspy", "name": "#airspy" }, { "type": "Hashtag", "href": "https://mastodon.radio/tags/spectrumrecording", "name": "#spectrumrecording" }, { "type": "Hashtag", "href": "https://mastodon.radio/tags/spectrumcapture", "name": "#spectrumcapture" }, { "type": "Hashtag", "href": "https://mastodon.radio/tags/shortwave", "name": "#shortwave" }, { "type": "Hashtag", "href": "https://mastodon.radio/tags/hf", "name": "#hf" }, { "type": "Hashtag", "href": "https://mastodon.radio/tags/sdr", "name": "#sdr" }, { "type": "Hashtag", "href": "https://mastodon.radio/tags/portablesdr", "name": "#portablesdr" } ], "replies": { "id": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069/replies", "items": [] } }, "likes": { "id": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069/likes", "type": "Collection", "totalItems": 4 }, "shares": { "id": "https://mastodon.radio/users/LondonShortwave/statuses/113637081254035069/shares", "type": "Collection", "totalItems": 0 } }