Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CFO callsign genealogy
Currently held by DAVEY, GEOFFREY B
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 K7CFO's current licensee, walking backwards.
- NEWSOM, NICKLAAS DCAgranted 2013-07-24cancelled 2019-10-16
Successor callsigns
Callsigns held now by people who previously held K7CFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7CFO, oldest first.
- DAVEY, GEOFFREY B OR2009-01-24 → cancelled 2014-08-29
- NEWSOM, NICKLAAS D CA2019-10-16 active