Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5RP callsign genealogy
Currently held by HAMILTON, LE ROY C
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 KM5RP's current licensee, walking backwards.
- PFIESTER, RANDALL DLAgranted 2014-07-01cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held KM5RP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM5RP, oldest first.
- HAMILTON, LE ROY C OK1998-07-14 → cancelled 2010-07-15
- PFIESTER, RANDALL D LA2021-06-29 active