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Help center

20 guides to reception, local records and website features. Includes complete offline privacy and terms.

Available in the native app offline. Website-only tools are labeled.

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20 topics

Getting started

Start a receive-only sessionConnect a supported receiver and confirm what you can hear.USB connection and permissionsIdentify adapters, power problems and receiver contention.Fix missing hardware or an empty resultCheck the receiver before interpreting a quiet spectrum.

Using the receiver

Manual tuning and audio modesMatch the frequency, units and modulation to your signal.Read spectrum and waterfall viewsEnergy and time patterns are observations, not identities.Scan supported frequency rangesSelect a band, review its limits and save useful hits.Use the signal finderCompare relative strength without claiming an exact location.Capture supported ISM pulse patternsObserve OOK/ASK bursts from devices you may examine.

Files and saved data

Device and button librariesOrganize received patterns locally and preserve their uncertainty.Save stations and signalsUse local search and favorites to find previous observations.Record and export received audioWAV files contain receiver audio, not microphone recordings.Export, import and move your filesUnderstand formats, limits and cloud-provider choices.Delete data and recover from storage errorsConfirm deletion and protect originals when a read fails.

Website and field reports

Website capabilities and field reportsBrowser checks and survey records differ from native Android.Receiver proof and baseline comparisonsA failed or untested instrument cannot prove an area is clear.Band references and reception limitsA tuning reference does not grant permission.

Help and policies

Offline use and installationNative Android has no internet permission; the PWA needs an initial load.Language, larger text and help navigationEnglish and Spanish remain available across restarts.Privacy policyFull policy for native Android and the BandSight website.Terms of useFull terms for receive-only tools, files and references.