Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RTY callsign genealogy
Currently held by CALHOUN, WILLIAM C
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W7RTY's current licensee, walking backwards.
- CALHOUN, WILLIAM CWAgranted 1995-08-22cancelled 2001-04-24
Successor callsigns
Callsigns held now by people who previously held W7RTY.
No current licensee on record previously held this callsign.