Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF6B callsign genealogy
Currently held by MASDEN, HAROLD L
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 AF6B's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AF6B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF6B, oldest first.
- MASDEN, HAROLD L CA1997-04-16 → cancelled 2003-06-11
- Bastian, Leonard L CA2017-06-28 active