Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7EVA callsign genealogy
Currently held by O DONNELL, JOHN S
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 KC7EVA's current licensee, walking backwards.
- Tang, EvaMDgranted 2018-05-29cancelled 2018-06-16
Successor callsigns
Callsigns held now by people who previously held KC7EVA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC7EVA, oldest first.
- O DONNELL, JOHN S WA1994-08-03 → cancelled 2006-08-04
- Tang, Eva MD2018-06-16 active