Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DFP callsign genealogy
Currently held by Swanson, Larry K
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 W0DFP's current licensee, walking backwards.
- Swanson, Larry KARgranted 2022-03-01
Successor callsigns
Callsigns held now by people who previously held W0DFP.
- Swanson, Larry KARgranted 2022-03-01
All historical holders
Every license row we've seen with the callsign W0DFP, oldest first.
- ROOD, OTIS M NM1994-10-25 → cancelled 2006-10-26
- Swanson, Larry K AR2021-07-02 → cancelled 2022-03-01