Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7CFO callsign genealogy
Currently held by JEFFERIES, CHRISTOPHER A
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 WA7CFO's current licensee, walking backwards.
- KB7PUFcancelledcancelled 1998-12-17
Successor callsigns
Callsigns held now by people who previously held WA7CFO.
No current licensee on record previously held this callsign.