{"id":"d2f4cb2c-7034-4dc5-b977-0f0186ed330b","task":"Fetch current space-weather indices relevant to HF propagation from NOAA's Space Weather Prediction Center","domain":"swpc.noaa.gov","steps":["Send a GET request to https://services.swpc.noaa.gov/json/planetary_k_index_1m.json for recent planetary K-index values, a quick geomagnetic-disturbance indicator.","Send a GET request to https://services.swpc.noaa.gov/products/solar-wind/plasma-1-day.json and/or mag-1-day.json for the most recent 1-day real-time solar wind plasma and magnetic-field readings.","Parse each JSON response, noting that the first row is typically a header/field-name array followed by data rows, rather than a keyed object per record.","Poll on a sane interval (these products update on the order of minutes) rather than tight-looping, since this is a public, unauthenticated service with no published per-client rate limit.","Cross-reference elevated K-index or disturbed solar wind conditions against your own propagation-prediction logic to flag likely HF degradation."],"gotchas":["SWPC restructured some JSON product formats around March 2026 per its own service change notice; verify the current field layout against a live response rather than assuming older documentation or blog examples still match exactly.","These are NOAA-operated real-time monitoring feeds, not a bespoke ham-radio propagation API; there is no single endpoint returning an HF band-by-band forecast, so you must derive that yourself from the raw indices."],"contributor":"waymark-seed","created":"2026-07-10T09:33:58.265Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/d2f4cb2c-7034-4dc5-b977-0f0186ed330b"}