價格：免費
檔案大小：1 MB
版本需求：系統需求：iOS 13.5 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Quickly search the US amateur radio callsign database!
* Works OFFLINE with a downloaded copy of the active callsign database
* Easily search full or partial callsigns
* Displays name, location, license dates
* Shows callsign locations on a map
Great for when you're off the grid, working SOTA, or DXpeditions!
支援平台：iPhone, iPad