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安裝中文字典英文字典辭典工具!
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- Fraud Prevention, Authentication and Intelligence - Callsign
Where real identity meets intelligent authentication Callsign helps organizations recognize their users just like people do, naturally, securely, and without friction
- Callsign Database - QRZ. com
Read: Dave's earlier article about the journey from Los Angeles through the Mexican wilderness to set the stage for a pan-American highway Radio played a major role! Click this link to read A virtual hamfest with real good stuff!
- Call sign - Wikipedia
In broadcasting and radio communications, a call sign (also known as a call name or call letters —and historically as a call signal —or abbreviated as a call) is a unique identifier for a transmitter station
- HamCall World-Wide Callsign Database
See HamCall's callsign divisions listed by location, by callsign prefix, or by US Zip code See a map of the US ham population Each red dot represents one or more hams with a street address in the FCC database Take a look at the HamCall DVD, produced monthly with the latest FCC and Internet data! Order a HamCall DVD
- CALLSIGN Flight Tracking and History - FlightAware
Flight status, tracking, and historical data for CALLSIGN including scheduled, estimated, and actual departure and arrival times
- Beginner’s Guide to Ham Radio Call Signs: What You Need to Know
Call signs are the foundation of amateur radio communication, serving multiple critical roles: Unique Identification- With millions of ham radio operators worldwide, call signs ensure each operator or station is distinctly identifiable, preventing confusion on busy frequencies
- CallSignLookup — FCC License Lookup
Search 5,137,487 FCC licenses from the Universal Licensing System (ULS) — amateur radio, GMRS, maritime, aircraft, land mobile, microwave, and more Every FCC licensee has a unique call sign on file; look one up to see their service type, location, expiration date, and contact information
- Call Sign Look Up - qsl. net
For example, to find all QSL managers for 4U0 callsigns, you can simply enter '4U0' in the callsign box The system will also search for the managers as well just type in the manager's callsign and see how many stations he QSL's for Quick callsign lookup in Buckmaster-Database: Enter exact call sign: Quick callsign in the DX Newsletter Database:
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