Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5JDF callsign genealogy
Currently held by Frost, Jeffrey D
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 N5JDF's current licensee, walking backwards.
- Frost, Jeffrey DTXgranted 2019-05-20cancelled 2024-02-16
Successor callsigns
Callsigns held now by people who previously held N5JDF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5JDF, oldest first.
- FRAZIER, JAMES D OK2010-03-03 → cancelled 2022-03-19
- Frost, Jeffrey D TX2024-02-16 active