Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3CSR callsign genealogy
Currently held by RIFKIN, DANIEL 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 W3CSR's current licensee, walking backwards.
- RIFKIN, DANIEL SPAgranted 2008-06-25cancelled 2008-08-29
Successor callsigns
Callsigns held now by people who previously held W3CSR.
No current licensee on record previously held this callsign.