Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4FOP callsign genealogy
Currently held by BISHOP, BOBBY L
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 N4FOP's current licensee, walking backwards.
- Johnson Sr, Phillip LALgranted 2004-04-07cancelled 2006-01-10
Successor callsigns
Callsigns held now by people who previously held N4FOP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4FOP, oldest first.
- BISHOP, BOBBY L SC1988-05-10 → cancelled 2000-05-11
- Johnson, Phillip AL2026-01-24 active