Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4HEF callsign genealogy
Currently held by POE, GLENN M
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 N4HEF's current licensee, walking backwards.
- HEFFNER, GREGFLgranted 2023-08-22cancelled 2024-07-23
Successor callsigns
Callsigns held now by people who previously held N4HEF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4HEF, oldest first.
- POE, GLENN M SC1996-10-18 → cancelled 2008-10-21
- HEFFNER, GREG FL2024-07-23 active