Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7ABS callsign genealogy
Currently held by ABERASTURI, JOHN
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 W7ABS's current licensee, walking backwards.
- ABERASTURI, JOHNIDgranted 2016-09-14cancelled 2016-10-04
Successor callsigns
Callsigns held now by people who previously held W7ABS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ABS, oldest first.
- WATSON, EDWARD L AZ1994-07-14 → cancelled 2006-07-15
- ABERASTURI, JOHN ID2026-08-20 active