Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AH6K callsign genealogy
Currently held by Rosen, Marc J
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 AH6K's current licensee, walking backwards.
- Rosen, Marc JHIgranted 2022-07-13cancelled 2024-05-17
Successor callsigns
Callsigns held now by people who previously held AH6K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AH6K, oldest first.
- SCHROEDER, DAVID L NY2012-04-27 → cancelled 2024-04-30
- Rosen, Marc J HI2024-05-17 active