Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3UDU callsign genealogy
Currently held by Heckert, Pamela B
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 KB3UDU's current licensee, walking backwards.
- Heckert, Pamela BCOgranted 2022-12-09cancelled 2022-12-28
Successor callsigns
Callsigns held now by people who previously held KB3UDU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3UDU, oldest first.
- Heckert, Pamela B DE2010-03-17 → cancelled 2022-03-18
- Heckert, Pamela B CO2022-12-28 active