Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0RBF callsign genealogy
Currently held by MOORE, HARRY E
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 W0RBF's current licensee, walking backwards.
- FENZLAFF, RALPH BCOgranted 2013-01-14cancelled 2016-11-11
Successor callsigns
Callsigns held now by people who previously held W0RBF.
- FENZLAFF, RALPH BCOgranted 2019-08-30
All historical holders
Every license row we've seen with the callsign W0RBF, oldest first.
- MOORE, HARRY E MO1991-11-12 → cancelled 2003-11-13
- FENZLAFF, RALPH B CO2016-11-11 → cancelled 2019-08-30