Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6RPO callsign genealogy
Currently held by OLDENDORF JR, FRED
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 W6RPO's current licensee, walking backwards.
- Boyd, AliceCAgranted 2021-07-13cancelled 2021-07-31
Successor callsigns
Callsigns held now by people who previously held W6RPO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6RPO, oldest first.
- OLDENDORF JR, FRED CA1988-03-15 → cancelled 2000-03-16
- GEPPERT SR, KENNETH J CA2001-04-13 → cancelled 2013-04-16
- Boyd, Alice CA2021-07-31 active