Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1FAM callsign genealogy
Currently held by Rabinowitz, Daniel J
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 W1FAM's current licensee, walking backwards.
- Rabinowitz, Daniel JMAgranted 2022-06-22cancelled 2026-07-14
Successor callsigns
Callsigns held now by people who previously held W1FAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1FAM, oldest first.
- VON ALVEN, WILLIAM H VA1998-12-22 → cancelled 2010-12-23
- Rabinowitz, Daniel J MA2026-07-14 active