Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ1H callsign genealogy
Currently held by Hammond, John W
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 AJ1H's current licensee, walking backwards.
- Hammond, John WMDgranted 2006-05-30cancelled 2008-06-27
Successor callsigns
Callsigns held now by people who previously held AJ1H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AJ1H, oldest first.
- TALMANSON, FREDRIC J MA1995-08-24 → cancelled 2007-08-25
- Hammond, John W MD2018-04-11 active