Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2IIU callsign genealogy
Currently held by HELLMAN, ROBERT S
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 W2IIU's current licensee, walking backwards.
- Hellman, Martin ECAgranted 2003-04-08cancelled 2010-09-10
Successor callsigns
Callsigns held now by people who previously held W2IIU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2IIU, oldest first.
- HELLMAN, ROBERT S NY1997-07-24 → cancelled 2009-07-25
- Hellman, Martin E CA2020-06-16 active