Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JCA callsign genealogy
Currently held by Arto, John C
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 W7JCA's current licensee, walking backwards.
- Arto, John CNVgranted 2014-05-09cancelled 2014-12-19
Successor callsigns
Callsigns held now by people who previously held W7JCA.
- PETRE, ALAN WIAgranted 2014-07-23cancelled 2026-03-07
All historical holders
Every license row we've seen with the callsign W7JCA, oldest first.
- PETRE, ALAN W WA1994-03-15 → cancelled 2004-01-13
- Arto, John C NV2024-09-25 active