Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB2FPO callsign genealogy
Currently held by Sirower, Martin 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 WB2FPO's current licensee, walking backwards.
- Sirower, Martin ANJgranted 2006-09-06cancelled 2006-10-24
Successor callsigns
Callsigns held now by people who previously held WB2FPO.
No current licensee on record previously held this callsign.