Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3OXJ callsign genealogy
Currently held by Calvert, Paul F
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 KB3OXJ's current licensee, walking backwards.
- Calvert, Paul FPAgranted 2017-05-18cancelled 2018-10-23
Successor callsigns
Callsigns held now by people who previously held KB3OXJ.
- Calvert, Paul FPAgranted 2017-05-18cancelled 2018-10-23
All historical holders
Every license row we've seen with the callsign KB3OXJ, oldest first.
- Calvert, Paul F PA2007-04-05 → cancelled 2007-07-10
- Calvert, Paul F PA2018-10-23 active