Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W1ABV callsign genealogy
Currently held by CASTRO, JORDAN 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 W1ABV's current licensee, walking backwards.
- CASTRO, JORDAN CMAgranted 2016-04-21cancelled 2019-08-13
Successor callsigns
Callsigns held now by people who previously held W1ABV.
- CASTRO, JORDAN CMAgranted 2025-03-01
All historical holders
Every license row we've seen with the callsign W1ABV, oldest first.
- CAMPBELL, FLOYD MA2004-06-30 → cancelled 2016-09-15
- CASTRO, JORDAN C MA2019-08-13 → cancelled 2025-03-01