Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SAC callsign genealogy
Currently held by MC CALLUM, DAVID S
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 W7SAC's current licensee, walking backwards.
- MC CALLUM, DAVID SWAgranted 1993-01-26cancelled 2000-02-08
Successor callsigns
Callsigns held now by people who previously held W7SAC.
No current licensee on record previously held this callsign.