Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB6RN callsign genealogy
Currently held by Sharma, Suman
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 AB6RN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB6RN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB6RN, oldest first.
- HEYDENFELDT, HAROLD T CA2003-05-29 → cancelled 2015-08-18
- Sharma, Suman CA2023-12-01 active