Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7A callsign genealogy
Currently held by NICHOLSON, CRAIG M
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 AB7A's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AB7A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7A, oldest first.
- NICHOLSON DVM, LYLE G OR2006-12-01 → cancelled 2017-08-09
- NICHOLSON, CRAIG M OR2017-12-05 active