Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6AM callsign genealogy
Currently held by Greig, Adam G
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 AD6AM's current licensee, walking backwards.
- Greig, Adam GCAgranted 2014-08-11cancelled 2014-08-29
Successor callsigns
Callsigns held now by people who previously held AD6AM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD6AM, oldest first.
- Greenwood, James A CA2004-05-11 → cancelled 2008-08-19
- Greig, Adam G CA2024-06-04 active