Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7SMA callsign genealogy
Currently held by ISAACSON, GAIL 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 KC7SMA's current licensee, walking backwards.
- Semkowicz, Steven KPAgranted 2024-01-11cancelled 2024-01-30
Successor callsigns
Callsigns held now by people who previously held KC7SMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7SMA, oldest first.
- ISAACSON, GAIL R AZ1996-08-29 → cancelled 2008-08-30
- Semkowicz, Steven K PA2024-01-30 active