Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ABW callsign genealogy
Currently held by PHELPS, ROBERT A
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 W7ABW's current licensee, walking backwards.
- PHELPS, ROBERT AMOgranted 2024-11-22cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held W7ABW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ABW, oldest first.
- Wheeler, Aaron B ID2010-02-02 → cancelled 2022-02-03
- PHELPS, ROBERT A AZ2025-01-11 active