Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7GDB callsign genealogy
Currently held by MAC ISAAC, HAROLD R
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 N7GDB's current licensee, walking backwards.
- TURRI, HOLLY EWAgranted 2010-01-12cancelled 2014-05-17
- KA3NBRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N7GDB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7GDB, oldest first.
- MAC ISAAC, HAROLD R WA1994-04-12 → cancelled 2006-04-14
- TURRI, HOLLY E WA2024-04-24 active