Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WJ7N callsign genealogy
Currently held by O KEEFE, JOHN
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 WJ7N's current licensee, walking backwards.
- Jones, David CFLgranted 2020-01-15cancelled 2022-01-28
Successor callsigns
Callsigns held now by people who previously held WJ7N.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WJ7N, oldest first.
- O KEEFE, JOHN WA2009-10-13 → cancelled 2022-01-11
- Jones, David C FL2022-01-28 active