Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W2ABM callsign genealogy
Currently held by Buch, Anibal R
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 W2ABM's current licensee, walking backwards.
- Buch, Anibal RFLgranted 2011-11-18cancelled 2021-02-06
Successor callsigns
Callsigns held now by people who previously held W2ABM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2ABM, oldest first.
- DAHLHAUS, ROY M NY1997-08-13 → cancelled 2009-08-14
- Buch, Anibal R FL2021-02-06 active