Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6MRP callsign genealogy
Currently held by PEDERSEN, HAROLD 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 W6MRP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6MRP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MRP, oldest first.
- PEDERSEN, HAROLD E CA1996-11-04 → cancelled 2008-11-05
- Phillips SR, Michael R CA2021-11-17 active