Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW4RW callsign genealogy
Currently held by WITTMANN, ROBERT 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 WW4RW's current licensee, walking backwards.
- WITTMANN, ROBERT RNCgranted 2001-04-25cancelled 2008-05-16
Successor callsigns
Callsigns held now by people who previously held WW4RW.
No current licensee on record previously held this callsign.