Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1CAM callsign genealogy
Currently held by Campbell, Grant
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 N1CAM's current licensee, walking backwards.
- Campbell, GrantORgranted 2017-10-10cancelled 2017-10-31
Successor callsigns
Callsigns held now by people who previously held N1CAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1CAM, oldest first.
- FIERBERG, I MARTIN CT1998-05-19 → cancelled 2010-05-20
- Campbell, Grant OR2017-10-31 active