Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4GQB callsign genealogy
Currently held by Platt, Richard E
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 N4GQB's current licensee, walking backwards.
- Platt, Richard EMEgranted 2021-06-09cancelled 2021-07-02
Successor callsigns
Callsigns held now by people who previously held N4GQB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GQB, oldest first.
- PLATT, RICHARD E ME2000-07-08 → cancelled 2012-10-03
- Platt, Richard E ME2021-07-02 active