Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0RRF callsign genealogy
Currently held by DOUGAN, J L
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 W0RRF's current licensee, walking backwards.
- Johnson, Robert FMNgranted 2021-01-08cancelled 2021-01-26
Successor callsigns
Callsigns held now by people who previously held W0RRF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0RRF, oldest first.
- DOUGAN, J L MO1998-04-01 → cancelled 2010-04-02
- Johnson, Robert F MN2021-01-26 active