【實用書籍app】Callsign Search|最夯免費app-綠色工廠好玩App

Search the exhaustive QRZ.COM call sign database from your mobile device. Instant access to more than 1.2 million amateur radio call signs from around the world. Completely free with no subscription required. Optimized to take advantage of the different screen sizes of the iPhone 4, iPhone 5 and iPad.Features:* Complete license holder information* Interactive map with beam heading and distance (on supported devices)* Displays profile photo (if uploaded to QRZ.COM)* Display biography (if updated on QRZ.COM)* Send email to the displayed contact* Call sign lookup history* Access to QRZ.COM website from within the application* No advertisements