CallSign Check

About this app

CallSign Check is the fast way to look up any amateur radio callsign. Type a call, get the full picture — no account, no clutter, no waiting. US LOOKUPS (FCC) • Full license dossier from the FCC ULS database: name, license class, address, grant and expiration dates, FRN, and previous callsign • Live prefix suggestions as you type — start with "W1A" and watch the matches roll in • Station location on a map, with grid square • Distance and beam heading from your location to the station — point your antenna with confidence (your position never leaves your device) • Phonetic readout of every callsign, ready for the air DX LOOKUPS (WORLDWIDE) • Flip to VFO B and look up operators worldwide: name, country, DXCC entity, CQ and ITU zones, grid square, and QSL manager VANITY CALLSIGN HUNTING • Check whether a callsign is currently assigned before you file a vanity application • Search the FCC database by name, city, state, ZIP, or license class with Advanced Search BAND CONDITIONS AT A GLANCE • Live HF propagation strip on the home screen: solar flux, A and K indices, and band-by-band day/night conditions BUILT FOR OPERATORS • Favorites and lookup history, stored on your device • Share any station dossier with one tap • Miles or kilometers, your choice • A focused, dark, radio-room interface that does one thing well CallSign Check is not a logger or a contest tool — it's the lookup app you reach for when a call comes back to you and you want to know who's on the other end. 73! US license data comes from the FCC Universal Licensing System via callook.info. DX data provided via callsigncheck.com. Band conditions courtesy of N0NBH (hamqsl.com).

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 20, 2026 · 10:56 PM Free