Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MAG callsign genealogy
Currently held by Yebra, Margaret 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 K7MAG's current licensee, walking backwards.
- Yebra, Margaret RWAgranted 2016-10-20cancelled 2017-04-28
Successor callsigns
Callsigns held now by people who previously held K7MAG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MAG, oldest first.
- PENN, LEO R WA2004-01-10 → cancelled 2016-03-23
- Yebra, Margaret R WA2017-04-28 active